Academic literature on the topic 'Engineering thermodynamics'

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Journal articles on the topic "Engineering thermodynamics"

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S. David, Graber. "Thermodynamic Concepts in Civil Engineering." Universal Journal of Civil Engineering 2, no. 1 (June 16, 2023): 1–20. http://dx.doi.org/10.37256/ujce.2120232177.

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Thermodynamics is not always done well or usefully brought to bear in civil engineering. This paper addresses historical aspects of misunderstandings of thermodynamic concepts; applies the Second Law of Thermodynamics to applications including shock waves in compressible fluid flow, the tidal bore, spillway flow , and junction flow. Additional applications of thermodynamics in civil engineering are discussed. These include deriving hydraulic transient wave celerities for waterhammer analyses; the First Law of Thermodynamics for a closed system and for a control volume; one-dimensional flow, energy loss due to friction; parallel incompressible flow; application of the control volume to a pressure conduit; the modified Bernoulli equation; tees with small inflow and outflow branches; isentropic flow of a perfect gas and its application to flow metering, determination of choked flow conditions, and determination of the shaft power required to drive a blower.
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Struchtrup, Henning. "Entropy and the Second Law of Thermodynamics—The Nonequilibrium Perspective." Entropy 22, no. 7 (July 21, 2020): 793. http://dx.doi.org/10.3390/e22070793.

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An alternative to the Carnot-Clausius approach for introducing entropy and the second law of thermodynamics is outlined that establishes entropy as a nonequilibrium property from the onset. Five simple observations lead to entropy for nonequilibrium and equilibrium states, and its balance. Thermodynamic temperature is identified, its positivity follows from the stability of the rest state. It is shown that the equations of engineering thermodynamics are valid for the case of local thermodynamic equilibrium, with inhomogeneous states. The main findings are accompanied by examples and additional discussion to firmly imbed classical and engineering thermodynamics into nonequilibrium thermodynamics.
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Hayward, R. A. "Advanced Engineering Thermodynamics." Journal of Materials Processing Technology 25, no. 3 (April 1991): 341–42. http://dx.doi.org/10.1016/0924-0136(91)90118-x.

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Lucia, Umberto. "Bio-engineering thermodynamics: an engineering science for thermodynamics of biosystems." International Journal of Thermodynamics 18, no. 4 (December 1, 2015): 254. http://dx.doi.org/10.5541/ijot.5000131605.

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Wright, Kamau. "Collaborative Projects with simulation assignments in mechanical engineering thermodynamics courses." International Journal of Mechanical Engineering Education 48, no. 2 (October 11, 2018): 140–61. http://dx.doi.org/10.1177/0306419018803624.

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In the undergraduate engineering classroom, some level of collaborative learning can be employed to enhance learning. Separately, enhancements in curriculum may include the use of computer technology to provide interactivity. The present study explores a new approach to facilitate learning of an engineering thermodynamics course and seeks to address the question: “What are the impacts of a themed Collaborative Project (CP) with a simulation component, on students and their understanding of thermodynamics?”. This approach was implemented into a sophomore-level thermodynamics course at a private university in the New England area of the United States. Over the duration of the semester, the clean water-themed CP required students to: solve thermodynamics problems linked to this theme; use thermodynamics fundamentals to check the results of clean water-related thermo-fluid simulations conducted using COMSOL Multiphysics® software; and ultimately, use thermodynamics to develop a device to clean water. This approach has the potential benefit not only of demonstrating various uses of thermodynamic analysis but also in preparing career-ready students who are better capable of strategically utilizing engineering software in tandem with their fundamental engineering backgrounds. Results presented include select student work, student perceptions as per surveys, and comparison of changes in average final exam grades as compared to previous courses. While students shared limited enthusiasm in utilizing the software, they expressed that they understood thermodynamics, and they performed better on final exam questions. This study follows up on a previous effort, which revealed various benefits for students who experienced such a CP.
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Tuttle, Kenneth L., and Chih Wu. "Computer-Based Thermodynamics." Journal of Educational Technology Systems 30, no. 4 (June 2002): 427–36. http://dx.doi.org/10.2190/b0x1-r5pw-lcyj-yyme.

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A new computer-based approach to teaching thermodynamics is being developed and tried by two mechanical engineering professors at the U.S. Naval Academy. The course uses sophisticated software, in this case CyclePad, to work all of the homework problems. A new text, written with traditional theory but computer-based problems, accommodates the new approach. The new course is scheduled for Fall Term 2001 at the Naval Academy. Computer-based thermodynamics courses teach the same theory as traditional thermodynamics courses as well as the same types of problems. However, traditional thermodynamic cycle hand calculations are replaced by cycle calculations using CyclePad. This new example of Intelligent Computer-Assisted Instruction, ICAI, switches emphasis from learning cycle calculations to learning cause and effect through parametric analysis. Parametric analysis is made feasible through experimentation using computer models. For this, CyclePad has artificial intelligence, sensitivity analysis and graphical presentation capabilities. Traditionally, thermodynamics culminates in analysis of the thermodynamic cycles. In this course, students will progress well beyond traditional thermodynamics courses by emphasizing cycle analysis.
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Zevenhoven, Ron. "Engineering thermodynamics and sustainability." Energy 236 (December 2021): 121436. http://dx.doi.org/10.1016/j.energy.2021.121436.

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Yates, D. A. "Book Review: Engineering Thermodynamics." International Journal of Mechanical Engineering Education 23, no. 4 (October 1995): 363–64. http://dx.doi.org/10.1177/030641909502300409.

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von Stockar, Urs, and Luuk A. M. van der Wielen. "Thermodynamics in biochemical engineering." Journal of Biotechnology 59, no. 1-2 (December 1997): 25–37. http://dx.doi.org/10.1016/s0168-1656(97)00167-3.

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Onken, U. "Applied Chemical Engineering Thermodynamics." Chemie Ingenieur Technik 67, no. 8 (August 1995): 1020. http://dx.doi.org/10.1002/cite.330670821.

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Dissertations / Theses on the topic "Engineering thermodynamics"

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Barsoum, Christopher. "The Thermodynamics of Planetary Engineering on the Planet Mars." Honors in the Major Thesis, University of Central Florida, 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1577.

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Mars is a potentially habitable planet given the appropriate planetary engineering efforts. In order to create a habitable environment, the planet must be terraformed, creating quasi-Earth conditions. Benchmarks for minimum acceptable survivable human conditions were set by observing atmospheric pressures and temperatures here on Earth that humans are known to exist in. By observing a positive feedback reaction, it is shown how the sublimation of the volatile southern polar ice cap on Mars can increase global temperatures and pressures to the benchmarks set for minimum acceptable survivable human conditions. Given the degree of uncertainty, utilization of pressure scale heights and the Martin extreme terrain were used to show how less than desirable conditions can still produce results where these benchmarks can be met. Methods for obtaining enough energy to sublimate the southern polar ice cap were reviewed in detail. A new method of using dark, carbonaceous Martian moon material to alter the overall average albedo of the polar ice cap is proposed. Such a method would increase Martian energy efficiency. It is shown that by covering roughly 10% of the Martian polar ice cap with dark carbonaceous material, this required energy can be obtained. Overall contributions include utilization of pressure scale heights at various suggested settlement sites, as well as polar albedo altering as a method of planetary engineering. This project serves as a foundational work for long term solar system exploration and settlement.
B.S.A.E.
Bachelors
Mechanical and Aerospace Engineering
Engineering and Computer Science
Aerospace Engineering
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Haghtalab, Ali. "Thermodynamics of aqueous electrolyte solutions." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74540.

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The focus of this work is the thermodynamics of aqueous solutions of strong electrolytes for both binary and multicomponent systems.
A new excess Gibbs energy function to represent the deviations from ideality of binary electrolyte solutions was derived. The function consists of two contributions, one due to long-range forces, represented by the Debye-Huckel theory, and the other due to short-range forces represented by the local composition concept. The model is valid for the whole range of electrolyte concentrations, from dilute solutions up to saturation. The model consistently produces better results particularly at the higher concentration regions in which the other models deteriorate.
An electrochemical cell apparatus using Ion-Selective Electrodes (ISE) was constructed to measure the electromotive force (emf) of ions in the aqueous electrolyte mixtures. For the NaCl-NaNO$ sb3$-H$ sb2$O system, the data for the mean ionic activity coefficient of NaCl was obtained in order to show the reproducibility of literature data and to test the validity of the experimental procedure. The data for mean ionic activity coefficient of the following systems were also collected: (1) NaBr-NaNO$ sb3$-H$ sb2$O (a system with common ion); (2) NaBr-Ca(NO$ sb3$)$ sb2$-H$ sb2$O (a system with no-common-ion).
A novel mixing rule was proposed for the mean activity coefficients of electrolytes in mixtures in terms of the mean ionic activity coefficients of electrolytes in the binary solutions. The rule is applicable to multicomponent systems which obey Harned's Rule. Predictions are in excellent agreement with experimental data for ternary systems which follow the Bronsted specific ionic theory.
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Avlonitis, Dimitrios Anastassios. "Thermodynamics of gas hydrate equilibria." Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/803.

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Reservoir fluids are usually saturated with water at reservoir conditions and may form gas hydrates in transfer lines, which potentially may plug the system. For long subsea pipelines, methanol injection is the practical means for preventing hydrate formation and for decomposing blockages. For efficient and economical pipeline design and operation, phase boundaries, phase fractions and distribution of water and methanol among the equilibrium phases of the system must be accurately known. The system comprising reservoir fluids, water and methanol demonstrates a complex multiphase behaviour and currently no quantitatively adequate description for it has been detailed in the open literature. The problem is addressed in this thesis by a consistent application of classical equilibrium thermodynamics. At ordinary operating conditions any combination of as many as six phases can be potentially present. For the description of the vapour and all liquid phases, we use one cubic equation of state with nonconventional mixing rules developed as part of this work. Classical thermodynamics together with the cell theory of van der Waals and Platteeuw were employed for the development of a general model for the calculation of heat capacities of gas hydrates. A consistent methodology has also been developed for obtaining the potential parameters of the cell model. Thereafter, application of the model demonstrates that for nearly spherical guest molecules the classical cell theory is a strictly valid description of gas hydrates. However, complex guest molecules distort the hydrate lattice, resulting in variation of the numerical values of certain parameters of the model. This work presents an efficient algorithm for the solution of the problem of the identity of the equilibrium phases in multiphase systems where gas hydrates are potentially present. The algorithm is based on the alternative use of two equivalent forms of the Gibbs tangent plane criterion and it is believed to be more appropriate for systems involving gas hydrate equilibria than previous methods. Application of the proposed algorithm in several regions of the phase diagram of both binary and multicomponent systems shows that it can be used reliably to solve any phase equilibria problem, including the location of phase boundaries. In summary this work presents a consistent, efficient and reliable scheme for multiphase equilibrium calculations of systems containing reservoir fluids, water and methanol. Favourable results have been obtained by comparison with diverse experimental data reported in the open literature and it is believed that the proposed correlation can be used reliably for pipeline design and operation.
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Firoozi, Sadegh. "Thermodynamics and mechanisms of lead softening." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100362.

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Visualization and quantitative oxidation kinetic experiments on 100 g samples of Pb-As at 600°C; thermal analysis and phase-equilibrium measurements of Pb-PbO-As2O3 samples under argon over the temperature range of 420°C to 875°C; computational thermodynamic solution modeling; and phase diagram and equilibrium calculations using FACTSage(TM) were performed to elaborate the poorly documented thermodynamics of the slags in the lead softening stage in the pyrometallurgical refining of lead. In the softening stage, the minor element impurities: arsenic, antimony and tin are removed from lead bullion by oxidation and are transferred to a skimmable oxide slag phase.
It was found that optimizing an ionic molten oxide solution model that was conceptualized to contain Pb2+ and O2- with AsO3-4 and AsO3-3 ions, or with SbO3-4 and SbO3-3 ions in the respective PbO rich regions of the Pb-As-O and the Pb-Sb-O systems, was able to accurately reproduce the measured and published thermodynamic data. It was also found that the subsystems in the PbO-As2O 3-As2O5 and PbO-Sb2O3-Sb 2O5 systems showed small deviation from the ideal ionic solution model and small magnitude excess Gibbs energy parameters were sufficient to fit the predicted liquidus curves to the experimental measurements.
Arsenic in the +3 and +5 oxidation states was measured in the PbO rich region of the Pb-As-O liquid solution in the temperature range of 420°C to 875°C. The variability in the ratio of trivalent arsenic to the total arsenic content, as well as the complex variation of arsenic distribution between metal and oxide phases found strong interaction between the lead, arsenic and oxygen atoms at the 3PbO to 1AS2O3 molar ratio thus suggesting a short range ordering corresponding to the formation of AsO3-3 groupings, and indicating that the Pb3(AsO3) 2(l) species was likely to be present in the PbO rich region of the Pb-As-O system and contributing to an understanding of the Pb-As-O liquid oxide structure. Also, two new compounds (Pb3(AsO3) 2(s), Pb2AsO4(s)) were identified in the Pb-PbO-As 2O3 quenched samples via wavelength-dispersive spectrometry using the electron microprobe. The present work has application in commercial oxygen partial lead softening (OPLS), as uniquely practiced at Teck Cominco Ltd., British Columbia. There, pure oxygen gas is injected into the bath of impure bullion through a number of submerged lances in order to oxidize only part of the arsenic, antimony and tin into a slag phase. For such an operating practice, it was concluded from the visualization and quantitative oxidation experiments that the formation of solid oxides as the product of oxidation produced a physical barrier to the progress of oxidation and resulted in the commercially observed, highly-problematic, process initiation issues. When the product was liquid, there was much less of a barrier to rapid oxygen mass transfer to the minor element impurities and the softening reactions were easy to initiate. Such a change in the physical state of the products of oxidation was correlated to the optimized ternary Pb-As-O and Pb-Sb-O phase diagrams.
A current point of interest in partial lead softening is to increase the arsenic content of the slag phase. Arsenic distribution between lead bullion and slag calculated by the optimized solution model of the Pb-As-O system suggests that this can be achieved in a counter-current contacting of the slag and bullion.
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Kust, Paul Roger. "Micellar autocatalysis and mixed micelle thermodynamics /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487945015616522.

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Tamim, Jihane. "A continuous thermodynamics model for multicomponent droplet vaporization." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq20955.pdf.

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Khoshkbarchi, Mohammad Khashayar. "Thermodynamics of amino acids in aqueous electrolyte solutions." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=42068.

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A novel method has been developed for the measurement of the activity coefficients of an amino acid and the mean ionic activity coefficients of an electrolyte in water-electrolyte-amino acid systems. The method uses an electrochemical cell with two ion selective electrodes and a reference electrode. Activity coefficient data, at 298.15 K, for eight water-electrolyte-amino acid systems were measured. The cell consisted of a cation and an anion ion selective electrode, and the potential of each was measured versus a double junction reference electrode. The amino acids studied were glycine, DL-alanine, DL-valine and DL-serine and the electrolytes studied were NaCl and KCl. For the same systems, the solubilities at 298.15 K of the amino acids were measured at various electrolyte concentrations. The results show that the activity coefficients and the solubility of the amino acid in aqueous electrolyte solutions are strongly affected by the concentrations of both the electrolyte and the amino acid, the chemical structure of the amino acid and the nature of the cation of the electrolyte.
The activity coefficients of amino acids in aqueous electrolyte solutions were modelled using a two-parameter excess Gibbs free energy model based on the contribution of a long range interaction term represented by the Bromley or the K-V model and a short range interaction term represented by the NRTL or the Wilson model.
A model based on the perturbation of a hard sphere reference system, coupled with a mean spherical approximation model, was also developed to correlate the activity coefficient of the amino acid and the mean ionic activity coefficient of the electrolyte in water-electrolyte-amino acid systems. The model can also predict the activity coefficients of amino acids in aqueous electrolyte solutions, without adjusting any parameter, at low electrolyte concentrations and slightly deviates from the experimental data at higher electrolyte concentrations.
A model was developed to correlate the solubilities of amino acids in aqueous and aqueous electrolyte solutions. The activity coefficients of amino acids in both aqueous and aqueous electrolyte solutions were represented by the perturbed mean spherical approximation model. It was shown that upon availability of independently evaluated experimental data for $ Delta h$ and $ Delta g$, the water-amino acid solubility model can accurately predict the solubility of amino acids in aqueous solutions without any adjustable parameter.
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Mountford, Paul A. C. "Molecular Thermodynamics of Superheated Lipid-Coated Fluorocarbon Nanoemulsions." Thesis, University of Colorado at Boulder, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3721859.

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Diagnostic ultrasound is a safe, inexpensive and highly portable real-time imaging modality for viewing the human body. For over two decades, lipid-coated fluorocarbon microbubble contrast agents have been developed to help improve the diagnostic and therapeutic capabilities of ultrasound, but they have certain limitations. Recently, it was found that the microbubbles can be condensed into superheated liquid nanodrops capable of being vaporized by external optical or acoustic triggers. The compact form and vaporization effects of these phase-shift nanodrops may offer advantages over microbubbles for a number of current and future therapeutic and diagnostic applications. The goal of this dissertation work was to study the molecular thermodynamics and interfacial phenomena of these superheated phase-shift nanodrops.

In the first part of this work, a custom microscopy pressure chamber with control over temperature and pressure was used to observe microbubbles during condensation. Compression behaviors of fluorocarbon microbubbles constructed with lipid shells of varying acyl chain lengths were quantified over a broad temperature range. Microbubbles containing lipids of longer acyl chains were found to resist ideal compression and condensation. Dissolution was found to dominate as temperature approached the lipid main phase transition temperature, resulting in incomplete condensation. However, successful condensation of gas-filled microbubbles to liquid-filled nanodrops could be achieved at lower temperatures, and fluorescence microscopy showed that the lipid monolayer shell buckles and folds into surface-attached bilayer strands. The nanodrops were found to be remarkably stable when brought back to standard temperature and pressure. The temperature-pressure data were used to construct condensation phase diagrams to determine the thresholds for successful nanodrop formation.

In the second part of this study, the superheated nanodrops were vaporized back into microbubbles by changes in temperature and pressure. A custom optical chamber with control over temperature and pressure was used to track the kinetics of condensation, vaporization and dissolution of microbubble suspensions with varying fluorocarbon core and lipid shell compositions. A simple model was used to extract kinetic rates from the optical data, and Arrhenius plots were used to determine activation energies. The activation energy for thermal vaporization was found to vary with lipid acyl chain length, and a simple model of lipid intermolecular forces was used to explain this effect. Additionally, thermal vaporization was found to occur near 90% of the critical temperature of the fluorocarbon core, indicating that metastability of the superheated droplets was due to the low probability of homogenous nucleation rather than a Laplace overpressure. The superheated droplets could be reversibly vaporized and condensed to at least ten cycles, showing remarkable stability.

In the final part of this study, the tunability of vaporization was examined through the mixing of fluorocarbon gases in droplet core. A clinical ultrasound imaging system was used to track vaporization as a function of temperature and mechanical index. Discrepancies were found in the vaporization thresholds owing to mass transfer; the high solubility of the lower fluorocarbon caused it to rapidly deplete. However, a successful acoustic temperature probe was demonstrated. The experimental data from all three parts of this study were examined and explained by conventional molecular thermodynamics theory, providing new insights into the behavior and properties of these novel theranostic agents.

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Perez, Jose L. (Jose Luiz). "Computer-aided thermodynamics modeling of a pure substance." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/35036.

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Ferguson, Todd R. (Todd Richard). "Lithium-ion battery modeling using non-equilibrium thermodynamics." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87133.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2014.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 147-161).
The focus of this thesis work is the application of non-equilibrium thermodynamics in lithium-ion battery modeling. As the demand for higher power and longer lasting batteries increases, the search for materials suitable for this task continues. Traditional battery modeling uses dilute solution kinetics and a fit form of the open circuit potential to model the discharge. This work expands on this original set of equations to include concentrated solution kinetics as well as thermodynamics-based modeling of the open circuit potential. This modification is advantageous because it does not require the cell to be built in order to be modeled. Additionally, this modification also allows phase separating materials to be modeled directly using phase field models. This is especially useful for materials such as lithium iron phosphate and graphite, which are currently modeled using a fit open circuit potential and an artificial phase boundary (in the case of lithium iron phosphate). This thesis work begins with a derivation of concentrated solution theory, beginning with a general reaction rate framework and transition state theory. This derivation includes an overview of the thermodynamic definitions used in this thesis. After the derivation, transport and conduction in porous media are considered. Effective transport properties for porous media are presented using various applicable models. Combining concentrated solution theory, mass conservation, charge conservation, and effective porous media properties, the modified porous electrode theory equations are derived. This framework includes equations to model mass and charge conservation in the electrolyte, mass conservation in the solid intercalation particles, and electron conservation in the conducting matrix. These mass and charge conservation equations are coupled to self-consistent models of the charge transfer reaction and the Nernst potential. The Nernst potential is formulated using the same thermodynamic expressions used in the mass conservation equation for the intercalation particles. The charge transfer reaction is also formulated using the same thermodynamic expressions, and is presented in a form similar to the Butler-Volmer equation, which determines the reaction rate based on the local overpotential. This self-consistent set of equations allows both homogeneous and phase separating intercalation materials to be modeled. After the derivation of the set of equations, the numerical methods used to solve the equations in this work are presented, including the finite volume method and solution methods for differential algebraic equations. Then, example simulations at constant current are provided for homogeneous and phase separating materials to demonstrate the effect of changing the solid diffusivity and discharge rate on the cell voltage. Other effects, such as coherency strain, are also presented to demonstrate their effect on the behavior of particles inside the cell (e.g. suppression of phase separation). After the example simulations, specific simulations for two phase separating materials are presented and compared to experiment. These simulations include slow discharge of a lithium iron phosphate cell at constant current, and electrolyte-limited discharge of a graphite cell at constant potential. These two simulations are shown to agree very well with experimental data. In the last part of this thesis, the most recent work is presented, which is based on modeling lithium iron phosphate particles including coherency strain and surface wetting. These results are qualitatively compared with experimental data. Finally, future work in this area is considered, along with a summary of the thesis.
by Todd R. Ferguson.
Ph. D.
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Books on the topic "Engineering thermodynamics"

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Çengel, Yunus A. Thermodynamics: An engineering approach. New York: McGraw-Hill, 1989.

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Çengel, Yunus A. Thermodynamics: An engineering approach. 5th ed. Boston: McGraw-Hill Higher Education, 2006.

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Çengel, Yunus A. Thermodynamics: An engineering approach. 4th ed. Dubuque, IA: McGraw-Hill, 2002.

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Çengel, Yunus A. Thermodynamics: An engineering approach. 4th ed. Boston: McGraw-Hill, 2001.

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Burghardt, M. David. Engineering thermodynamics with applications. 3rd ed. New York: Harper & Row, 1986.

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Look, Dwight C., and Harry J. Sauer. Engineering Thermodynamics. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-010-9316-3.

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Look, Dwight C. Engineering thermodynamics. Boston: PWS Engineering, 1986.

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A, Harbach James, and Burghardt M. David, eds. Engineering thermodynamics. 4th ed. New York: HarperCollins College, 1993.

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Horsley, Michael. Engineering thermodynamics. London: Chapman & Hall, 1993.

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Burghardt, M. David. Engineering thermodynamics. 4th ed. Centreville, MD: Cornell Maritime Press, 1999.

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Book chapters on the topic "Engineering thermodynamics"

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Moran, Michael J., and George Tsatsaronis. "Engineering Thermodynamics." In CRC Handbook of Thermal Engineering Second Edition, 1–112. Second edition. | Boca Raton : Taylor & Francis, CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315119717-1.

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Uddin, Naseem. "First Law Analysis of Engineering Devices." In Thermodynamics, 152–75. Boca Raton: CRC Press, 2024. http://dx.doi.org/10.1201/9781003423140-5.

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Szymanski, R. W. "Teaching Engineering Applications." In Teaching Thermodynamics, 53–55. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2163-7_7.

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Kaviany, M. "Thermodynamics." In Mechanical Engineering Series, 509–45. New York, NY: Springer New York, 1995. http://dx.doi.org/10.1007/978-1-4612-4254-3_9.

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Kaviany, M. "Thermodynamics." In Mechanical Engineering Series, 465–501. New York, NY: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-0412-8_9.

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Shayler, Paul. "Thermodynamics." In Introduction to Mechanical Engineering, 295–384. 2nd ed. London: CRC Press, 2022. http://dx.doi.org/10.1201/9780429319167-4.

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Predel, Bruno, Michael Hoch, and Monte Pool. "Thermodynamics." In Engineering Materials and Processes, 175–268. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09276-7_6.

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Cottrell, Alan. "Thermodynamics as Engineering Science." In Teaching Thermodynamics, 271–76. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2163-7_30.

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Wendt, Hartmut, and Gerhard Kreysa. "Electrochemical Thermodynamics." In Electrochemical Engineering, 17–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-03851-2_3.

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Stephan, K. "Thermodynamics." In Dubbel Handbook of Mechanical Engineering, C1—C54. London: Springer London, 1994. http://dx.doi.org/10.1007/978-1-4471-3566-1_3.

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Conference papers on the topic "Engineering thermodynamics"

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McClain, Stephen T. "Advanced Thermodynamics Applications Using Mathcad." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11313.

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Mathcad thermodynamic property function sets have been developed for many engineering fluids. In past publications, which introduced the property function sets, examples were provided that demonstrated the usefulness of the functions in solving typical homework problems for either an Introduction to Thermodynamics or an Applied Thermodynamics course. The capabilities of Mathcad allow for much more complicated analyses than are typically discussed in undergraduate engineering thermodynamics courses. Specifically, Mathcad’s abilities 1) to perform calculations on multi-dimensional arrays, 2) to optimize functions using modified Newton-Raphson techniques, 3) to read text-file data sets, and 4) solve systems of non-linear equations, enables the analysis of very complex thermodynamic problems. Examples are provided to demonstrate the very robust capabilities of Mathcad using previously developed thermodynamic property function sets. The examples discussed include the optimization of a steam power cycle using two feedwater heaters, the analysis of gas turbine data acquired from a small turbojet apparatus, and the analysis of evaporator flooding on the performance of an industrial refigeration system. The analyses and figures produced in Mathcad demonstrate its effectiveness for complex thermodynamic calculations and for providing insight into the performance of complex thermodynamic systems.
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Morse, John S. "Restructuring Applied Thermodynamics: Exploratory Thermodynamics." In ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium collocated with the ASME 1994 Design Technical Conferences. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/cie1994-0486.

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Abstract A graphical method is proposed for removing the “drudge work” of looking up property values and solving the conservation equations and second law in an Applied Thermodynamics course. The vehicle used is VisSim simulation software. The method requires the student to perform the thermodynamic analysis and set up the equations, but the computer finds the property values and solves the equations. This concept allows the student to explore various aspects of the topics covered in such a course, including power and refrigeration cycles, mixtures and psychrometrics, and combustion and equilibrium. Substantial design type problems can be solved easily, as can complicated analyses that are too difficult and time consuming for traditional solution methods.
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Dartnall, W. John, and John A. Reizes. "A New Approach to Understanding Engineering Thermodynamics From Its Molecular Basis." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85208.

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Engineering Thermodynamics is that engineering science in which students learn to analyze dynamic systems involving energy transformations, particularly where some of the energy is in the form of heat. It is well known that people have difficulty in understanding many of the concepts of thermodynamics; in particular, entropy and its consequences. However, even more widely known concepts such as energy and temperature are not simply defined or explained. Why is this lack of understanding and clarity of definition prevalent in this subject? Older engineering thermodynamics textbooks (often containing the words “heat engines” in the title) had a strong emphasis in their early chapters on the general physical details of thermodynamic equipment such as internal and external combustion engines, gas compressors and refrigeration systems. The working fluid in these systems might expand or contract while heat, work and mass might cross the system boundary. The molecular workings within the thermodynamic fluid are not of prime concern to the engineer even though they are to a physicist or chemist. Modern engineering thermodynamics textbooks place great emphasis on mathematical systems designed to analyze the behavior and performance of thermodynamic devices and systems, yet they rarely show, at least early in their presentation, graphical images of the equipment; moreover, they tend to give only passing reference to the molecular behavior of the thermodynamic fluid. This paper presents some teaching strategies for placing a greater emphasis on the physical realities of the equipment in conjunction with the molecular structure of the working fluid in order to facilitate a deeper understanding of thermodynamic performance limitations of equipment.
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Karimi, Amir. "Use of Interactive Computer Software in Teaching Thermodynamics Fundamental Concepts." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81943.

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In recent years many publishing companies have provided optional computer software for engineering textbooks. Some of these software packages are tools for enhancing classroom instruction and others are capable of engineering analysis. Several software are currently available as an option with most engineering thermodynamics. They can be used for thermodynamic property evaluations and are extremely useful tools in analysis and design in introductory courses. They are also useful in teaching fundamental thermodynamic concepts. The most significant advantage of these software programs is that no prior knowledge of programming language is necessary in their applications. This paper will discuss the benefits associated with the use of computer software in introductory thermodynamics courses. Available software tools are compared and, in each case, their strengths and limitations are highlighted. The paper describes how one software tool has been integrated into our introductory thermodynamics course to teach the fundamental concepts. Several examples are provided.
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Gyftopoulos, Elias P. "Entropy: Part II — Thermodynamics and Perfect Order." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0831.

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Abstract Part II of this two-part paper refutes the beliefs about the statistical interpretation of thermodynamics, and the association of entropy with disorder that are summarized in Part I. The refutation of the statistical approach is based on either a nonstatistical unified quantum theory of mechanics and thermodynamics, or an almost equivalent, novel, nonquantal exposition of thermodynamics. Entropy is shown to be: (i) valid for any system (both macroscopic and microscopic, including one-particle systems), and any state (both thermodynamic or stable equilibrium, and not stable equilibrium); (ii) a measure of the quantum-theoretic pliable shape of the molecules of a system; and (iii) a monotonic indicator of order. In contrast to statistics which associates a thermodynamic equilibrium macrostate with the largest number of compatible microstates, the second law avers that, for each set of values of energy, volume, and amounts of constituents of either a macroscopic or a microscopic system, there exists one and only one thermodynamic or stable equilibrium state. So, even if Boltzmann’s definition were used, a thermodynamic equilibrium state is one of perfect order.
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Ishida, Masaru, Takahiro Suzuki, and Masashi Yamamoto. "Loops and Thermodynamics." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0846.

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Abstract Cycles such as a Rankine cycle, Calvin cycle, etc. play important roles. They consist of a set of specific processes and exhibit specific functions by this whole set of processes. Two methods to examine those specific functions graphically are presented based on thermodynamics. The first method is to trace the ratio of the exergy gained to the energy gained by the circulating substance. The second method is to display release and acceptance of heat-equivalent as well as work-equivalent energies. Those methods reveals that loops have three important features; work (or work-equivalent energy) integration, creation of specific fields, and functions to purify a target component and to reduce wastes. All of these features are keys to create a sustainable society.
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7

Pourmovahed, A., C. M. Jeruzal, and S. M. A. Nekooei. "Teaching Applied Thermodynamics With EES." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33161.

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Applied Thermodynamics is a graduate course at Kettering University. Undergraduate Thermodynamics serves as the only prerequisite. This course covers the concepts introduced in undergraduate thermodynamics and continues with the coverage of thermodynamic relations, mixtures and solutions, psychrometry, phase and chemical equilibrium, and chemical reactions. These concepts are then applied in detail to various power and refrigeration cycles. Topics such as mole fraction, mass fraction, enthalpy of formation, adiabatic flame temperature and the application of the Second Law to reacting mixtures are covered. Team projects are incorporated into this graduate course. Recent projects included a turbojet engine and a non-ideal regenerative steam power plant. The objective of the first project was to compute component efficiencies and the thrust force for a jet engine. The second project aimed to optimize the thermal efficiency of a non-ideal regenerative steam power plant by varying the feed-water heater pressure. Both projects utilized the Engineering Equation Solver (EES), a general equation solver with built-in functions for thermodynamic and transport properties. This article describes the projects and presents the solution techniques and the computed results. For the jet engine, computed results are based on actual test data obtained in Energy Systems Laboratory at Kettering University.
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Geskin, E. S. "Thermodynamics of Continuous Systems." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42676.

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The formalism of the classical thermodynamics, for example Gibbs equations, is routinely and successfully applied to the highly non-equilibrium processes in dynamic systems. Such applications are based on the local equilibrium hypothesis. The presented paper discusses the conditions of the application of this hypothesis. It is shown that the local equilibrium hypothesis is applicable with no limitations to continuous systems. This application is validated by the solution of the Boltzmann equation. This solution was obtained by Enskog, Chapman and Bogolubov. From the Boltzmann equation follows that regardless of the initial state of the system the duration of its approach to the local equilibrium conditions by far less than the time scale of the evolution of the macro properties of the continuous media. This result shows that the local equilibrium is the intrinsic property of this media. Thus it is possible to apply the formalism of the non-equilibrium thermodynamics (the generalized variables, forces and fluxes) to description of the continuous system with no limitations. The derivation of the Carnot theorem is presented to show the effectiveness of such an application.
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Karimi, Amir. "Challenges in Teaching Applied Thermodynamics." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68121.

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Most Mechanical Engineering programs offer a course in applied thermodynamics either as a requirement or as an elective for an undergraduate degree. Student success in this course depends on their preparation on fundamental concepts gained in an introductory course in thermodynamics. The divide in background knowledge among students creates a challenge for an instructor teaching the applied thermodynamics course. This paper explains how students’ background knowledge of the fundamental concepts is evaluated at the beginning of the semester. It provides a description of an approach adapted in teaching the course in order to close the gap in background knowledge among students. Through assessment results, this paper demonstrates how the adapted teaching method has improved student success. Other challenges for instruction and student assessment are discussed in this paper.
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von Spakovsky, Michael R. "Thermodynamics as a General Science That Applies to All Systems and All States: Fundamental and Pedagogical Aspects of a New Paradigm." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42932.

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In 1976 and then again in 1984, a series of six groundbreaking papers were published (Hatsopoulos and Gyftopoulos, 1976; Beretta et al. 1984; Beretta, Gyftopoulos, and Park, 1985), presenting a new formulation of thermodynamics, which simply and elegantly extends in a unified fashion the concepts of thermodynamics to quantum mechanics and the concepts of quantum mechanics to thermodynamics. It does so without the bridge traditionally used, i.e. statistical mechanics, eliminating a number of the ambiguities, tautologies, and inconsistencies (including a built-in violation of the 2nd Law) inherent in the presentations of both classical and statistical thermodynamics. This new formulation, called the Unified Quantum Theory of Mechanics and Thermodynamics, generalizes thermodynamics so that it applies to all systems large or small (including one particle systems) either in a state of thermodynamic (i.e. stable) equilibrium or not in a state of thermodynamic equilibrium. Intrigued by both the scientific and pedagogical possibilities of this new theory, the author began his own study and application of this new formulation in 1998. The present paper focuses on the foundational and pedagogical aspects of this new non-statistically based paradigm of physics and thermodynamics, which uses as its primitives inertial mass, force, and time and introduces the laws of thermodynamics in the most unambiguous and general formulations found in the literature. Not only does this new formulation or paradigm provide a clearer understanding of thermodynamics to the student and the practitioner, but it has the potential for revolutionizing how we understand and synthesize/design systems at a microscopic level since this paradigm, unlike the predominant statistically based paradigm of the last century and a half, allows one to extend down to the microscopic such concepts as generalized available energy (i.e. a special case of this property is the exergy) and entropy, properties which are already effectively applied to systems at the macroscopic level.
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Reports on the topic "Engineering thermodynamics"

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Johra, Hicham. Thermophysical Properties of Building Materials: Lecture Notes. Department of the Built Environment, Aalborg University, December 2019. http://dx.doi.org/10.54337/aau320198630.

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The aim of this lecture note is to introduce the motivations for knowing and measuring the thermophysical properties of materials, and especially construction materials. The main material characteristics regarding thermodynamics are detailed together with some of their respective measurement methods and their implications in building physics. Those thermophysical properties of building materials can be measured at the Building Material Characterization Laboratory of Aalborg University - Department of Civil Engineering.
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Perdigão, Rui A. P. Strengthening Multi-Hazard Resilience with Quantum Aerospace Systems Intelligence. Synergistic Manifolds, January 2024. http://dx.doi.org/10.46337/240301.

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The present work further enhances and deploys our Quantum Aerospace Systems Intelligence technologies (DOI: 10.46337/quasi.230901) onto Multi-Hazard risk assessment and action, from sensing and prediction to modelling, decision support and active response, towards strengthening its fundamental knowledge, awareness and resilience in the face of multi-domain challenges. Moreover, it introduces our updated post-quantum aerospace engineering ecosystem for empowering active system dynamic capabilities to mitigate or even counter multi-hazard threats from space, leveraging our high energy technological physics solutions acting across coevolutionary space-times. These developments are further articulated with our latest Synergistic Nonlinear Quantum Wave Intelligence Networks suite of technologies (DOI: 10.46337/240118), vastly extending the operational capabilities of novel quantum and post-quantum systems to critically adverse thermodynamic conditions e.g. those pertaining situational action across real-world environmental and security theaters of operation.
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Grauer and Chapman. L52331 Exhaust Manifold Design Guidelines to Optimize Scavenging and Turbocharger Performance. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), August 2009. http://dx.doi.org/10.55274/r0010664.

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To develop the requisite air flow rate, the turbocharger must operate at a relatively high efficiency. But as important, the system pressure losses must be minimized to optimize turbocharger operating flexibility so that the turbine can produce sufficient power to operate the turbocharger compressor. The relationship between the various pressures and pressure losses throughout the turbocharged engine system, the turbocharger overall efficiency, ambient conditions, and the required turbine inlet temperature for sustainability is rooted in fundamental thermodynamic principles. The goal of the Exhaust Manifold Design Guidelines project was to investigate the NOX reduction role played by the exhaust manifold by exploring the impact of the exhaust manifold design on turbocharger and engine operation, as well as utilizing the abundant sets of field test data already provided by Hoerbiger Engineering Services (HES). For this project, exhaust manifold performance was defined as the capacity of the exhaust manifold to: 1) optimize cylinder scavenging efficiency; and 2) minimize the pressure differential between the compressor discharge and the turbine inlet.
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