Relevant bibliographies by topics / Isothermal change in entropy

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Isothermal change in entropy'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Isothermal change in entropy"

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Alfaro, Francisco, Julio César Sagás, Ben Hur Bernhard, and Luís César Fontana. "Isothermal magnetic entropy change in Gd/GdN superlattices." Materials Letters 239 (March 2019): 37–39. http://dx.doi.org/10.1016/j.matlet.2018.12.053.

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Mukherjee, T., R. Skomski, S. Michalski, D. J. Sellmyer, and Ch Binek. "Spin and elastic contributions to isothermal entropy change." Journal of Applied Physics 111, no. 7 (2012): 07A931. http://dx.doi.org/10.1063/1.3676432.

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Michalski, S., R. Skomski, X. Zh Li, et al. "Isothermal entropy changes in nanocomposite Co:Ni67Cu33." Journal of Applied Physics 111, no. 7 (2012): 07A930. http://dx.doi.org/10.1063/1.3676423.

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Hamad, Mahmoud A. "Giant isothermal entropy change In (111)-oriented PMN–PT thin film." Journal of Advanced Dielectrics 04, no. 04 (2014): 1450026. http://dx.doi.org/10.1142/s2010135x1450026x.

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An isothermal entropy change of 240 nm (111)-oriented PMN–PT 65/35 film near the ferroelectric Curie temperature, relative cooling power (RCP) and change of heat capacity have been investigated. The extracted data characterized giant isothermal entropy change of more than 16 J/kg K in electric field shift ΔE of 455 kV cm-1, which is nearly twice than that found for PbZr 0.95 Ti 0.05 O 3 thin film at 492 kV cm-1 near the Curie point. Furthermore, the RCP ≈ 700 J/kg and change of heat capacity ≈ 233 J/kg K in electric field shift ΔE of 747 kV cm-1.
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Hu, Hailong, Fan Zhang, Shibin Luo, Jianling Yue, and Chun-Hui Wang. "Electrocaloric effect in relaxor ferroelectric polymer nanocomposites for solid-state cooling." Journal of Materials Chemistry A 8, no. 33 (2020): 16814–30. http://dx.doi.org/10.1039/d0ta04465b.

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Albayrak, Erhan. "The study of mixed spin-1 and spin-1/2: Entropy and isothermal entropy change." Physica A: Statistical Mechanics and its Applications 559 (December 2020): 125079. http://dx.doi.org/10.1016/j.physa.2020.125079.

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Szałowski, Karol, and Pamela Kowalewska. "Magnetocaloric Effect in Cu5-NIPA Molecular Magnet: A Theoretical Study." Materials 13, no. 2 (2020): 485. http://dx.doi.org/10.3390/ma13020485.

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We calculated the magnetocaloric properties of the molecular nanomagnet Cu5-NIPA, consisting of five spins S = 1 / 2 arranged in two corner-sharing triangles (hourglass-like structure without magnetic frustration). The thermodynamics of the system in question was described using the quantum Heisenberg model solved within the field ensemble (canonical ensemble) using exact numerical diagonalization. The dependence of the magnetic entropy and magnetic specific heat on the temperature and the external magnetic field was investigated. The isothermal entropy change for a wide range of initial and f
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Gurnule, W. B., and S. S. Katkamwar. "Non-isothermal Kinetic Study ofp-Cresol-Dithiooxamide-Formaldehyde Terpolymer." E-Journal of Chemistry 7, no. 4 (2010): 1380–90. http://dx.doi.org/10.1155/2010/858327.

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Terpolymer (p-CDF) has been prepared by using the monomerp-cresol, dithiooxanude and formaldehyde in 1:1:2 molar proportions. The structure ofp-CDF terpolymer has been elucidated on the basis of elemental analysis and various physicochemical technique like UV-visible, FTIR,1H NMR and TG analysis. Detailed thermal degradation curve is discussed which shows four steps decomposition. The activation energy (Ea) and thermal stability calculated by using the Sharp Wentworth, Frceman-Carroll methods. Thermodynamics parameters such as entropy change (ΔS), apparent entropy change (S*) and frequency fac
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Kumar, Pramod, Puneet Jain, and Rachana Kumar. "Pressure dependent magnetic, AC susceptibility and electrical properties of Nd7Pd3." RSC Advances 5, no. 72 (2015): 58928–35. http://dx.doi.org/10.1039/c5ra07625k.

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El-Nasr, Raghda Abu, Samy H. Aly, Sherif Yehia, and Hala A. Sobh. "Magnetocaloric Effect in RFe10X2( X=Mo, V)." International Journal of Computational Physics Series 1, no. 1 (2018): 102–13. http://dx.doi.org/10.29167/a1i1p102-113.

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We present a mean-field study on the magnetocaloric effect (MCE) in RFe10X2, where X=Mo, V, and R=Gd, Tb, Ho, Tm, Dy, Er, Nd for X=V. For X=Mo, R=Dy, Gd, and Nd. The two-sublattice model, involving the 4f (rare earth) and 3d(Fe) sublattices, is used. For both systems, magnetization, magnetic heat capacity, magnetic entropy and isothermal entropy change ∆Sm are calculated for different magnetic fields in the 0-5T range and the temperature range from 0 to 700K. Direct and inverse MCEs are shown to take place in these ferromagnetic/ferrimagnetic compounds. For a field change ∆H=5T, the maximum is
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Dissertations / Theses on the topic "Isothermal change in entropy"

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Bylin, Johan. "Best practice of extracting magnetocaloric properties in magnetic simulations." Thesis, Uppsala universitet, Materialteori, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-388356.

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In this thesis, a numerical study of simulating and computing the magnetocaloric properties of magnetic materials is presented. The main objective was to deduce the optimal procedure to obtain the isothermal change in entropy of magnetic systems, by evaluating two different formulas of entropy extraction, one relying on the magnetization of the material and the other on the magnet's heat capacity. The magnetic systems were simulated using two different Monte Carlo algorithms, the Metropolis and Wang-Landau procedures. The two entropy methods proved to be comparably similar to one another. Both
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Pandian, Ramanathaswamy. "Phase-change thin films: resistance switching and isothermal crystallization studies." [S.l. : [Groningen : s.n.] ; University of Groningen] [Host], 2008. http://irs.ub.rug.nl/ppn/.

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Pathak, Arjun Kumar. "A study of magnetic entropy change in Ni-Mn-In based Heusler alloys /." Available to subscribers only, 2007. http://proquest.umi.com/pqdweb?did=1456294881&sid=3&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Koutris, Andreas. "Testing for Structural Change: Evaluation of the Current Methodologies, a Misspecification Testing Perspective and Applications." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/26716.

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The unit root revolution in time series modeling has created substantial interest in non- stationarity and its implications for empirical modeling. Beyond the original interest in trend vs. di¤erence non-stationarity, there has been renewed interest in testing and modeling structural breaks. The focus of my dissertation is on testing for departures from stationarity in a broader framework where unit root, mean trends and structural break non-stationarity constitute only a small subset of the possible forms of non-stationarity. In the fi¦rst chapter the most popular testing procedures for the
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Watts, Jameson K. M., and Jameson K. M. Watts. "Language Consistency and Exchange: Market Reactions to Change in the Distribution of Field-level Information." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/556000.

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Markets are fluid. Over time, the dominant designs, processes and paradigms that define an industry invariably succumb to productive innovation or changes in fashion (Arthur, 2009; Schumpeter, 1942; Simmel, 1957). Take for example the recent upheaval of the cell phone market following Apple's release of the iPhone. When it was introduced in 2007, one could clearly differentiate Apple's product from all others; however, subsequent imitation of the iPhone produced a market in which nearly all cell phones look (and perform) alike. The iPhone was a harbinger of the new dominant design. These cycle
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Drechsel, Dieter. "Evolution Physics." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-175494.

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This work is a revised edition of the former article "Evolution and Mutation Physics” by the same author. Some unclear formulations have been eliminated. New ideas and new calculations have been included, especially the important connection between successive entropy - changes and increasing DNA –length at slowly decreasing temperature-decrease of surroundings.
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Strandqvist, Nanny. "Magnetic Properites in Alloy Systems." Thesis, Luleå tekniska universitet, Materialvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-62614.

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The attention for materials displaying high magnetocaloric effect (MCE) has grown during the past 30 years. One of the most important properties of MCE is the adiabatic temperature change ( ). The main aim of this work was to develop a method to measure the temperature change ( ) for magnetocaloric materials in a changing magnetic field.  A technique was developed where maximum reached  for Gadolinium was 1.19 K in a changing magnetic field of 1.3 T, however, this is lower value in comparison with previous studies (3.3 K in a changing magnetic field of 1 T, Bjørk, et al., 2010) which makes the
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Krützmann, Nikolai Christian. "Application of Complexity Measures to Stratospheric Dynamics." Thesis, University of Canterbury. Physics and Astronomy, 2008. http://hdl.handle.net/10092/2020.

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This thesis examines the utility of mathematical complexity measures for the analysis of stratospheric dynamics. Through theoretical considerations and tests with artificial data sets, e.g., the iteration of the logistic map, suitable parameters are determined for the application of the statistical entropy measures sample entropy (SE) and Rényi entropy (RE) to methane (a long-lived stratospheric tracer) data from simulations of the SOCOL chemistry-climate model. The SE is shown to be useful for quantifying the variability of recurring patterns in a time series and is able to identify tropical
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Aryal, Anil. "EXPLORATION OF NOVEL MAGNETOCALORIC MATERIALS FOR APPLICATIONS IN MAGNETIC COOLING TECHNOLOGY." OpenSIUC, 2020. https://opensiuc.lib.siu.edu/dissertations/1813.

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The effect of doping on the crystal structure, magnetic, magnetocaloric and transport properties of MnM′Ge (M′ = Ni, Co) intermetallic compounds and NiMnX (X = Sn, In) Heusler alloys have been studied by room temperature X-ray diffraction (XRD), differential scanning calorimetry (DSC), and magnetization measurements. The studied magnetic systems include Ni1-xCrxMnGe1.05 (0 ≤ x ≤ 0.120), Mn1-xAlxCoGe (0 ≤ x ≤ 0.05), MnCo1-xZrxGe (0.01 ≤ x ≤ 0.04), Mn1-xAgxCoGe (0.01 ≤ x ≤ 0.10), Ni50-xRxMn35Sn15 (x = 0, 1 and R = La, Pr, Sm), Ni43-xRxMn46Sn11 (x = 0, 1 and R = Pr, Gd, Ho, Er), and Ni50Mn35In15-
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Hendrick, Lindsey R. F. "Climate Change and Mountaintop Removal Mining: A MaxEnt Assessment of the Potential Dual Threat to West Virginia Fishes." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5291.

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Accounts of species’ range shifts in response to climate change, most often as latitudinal shifts towards the poles or upslope shifts to higher elevations, are rapidly accumulating. These range shifts are often attributed to species ‘tracking’ their thermal niches as temperatures in their native ranges increase. Our objective was to estimate the degree to which climate change-driven shifts in water temperature may increase the exposure of West Virginia’s native freshwater fishes to mountaintop removal surface coal mining. Mid-century shifts in habitat suitability for nine non-game West Virgini
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Books on the topic "Isothermal change in entropy"

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Forsé, Michel. L' ordre improbable: Entropie et processus sociaux. Presses universitaires de France, 1989.

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Sistemnyĭ podkhod i povyshenie ėffektivnosti upravlenii︠a︡. Nauka, 2005.

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Sherwood, Dennis, and Paul Dalby. Ideal gas processes – and two ideal gas case studies too. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198782957.003.0007.

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This chapter brings together, and builds on, the results from previous chapters to provide a succinct, and comprehensive, summary of all key relationships relating to ideal gases, including the heat and work associated with isothermal, adiabatic, isochoric and isobaric changes, and the properties of an ideal gas’s heat capacities at constant volume and constant pressure. The chapter also has two ‘case studies’ which use the ideal gas equations in broader, and more real, contexts, so showing how the equations can be used to tackle, successfully, more extensive systems. The first ‘case study’ is
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Clarke, Andrew. Energy and heat. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199551668.003.0002.

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Energy is the capacity to do work and heat is the spontaneous flow of energy from one body or system to another through the random movement of atoms or molecules. The entropy of a system determines how much of its internal energy is unavailable for work under isothermal conditions, and the Gibbs energy is the energy available for work under isothermal conditions and constant pressure. The Second Law of Thermodynamics states that for any reaction to proceed spontaneously the total entropy (system plus surroundings) must increase, which is why metabolic processes release heat. All organisms are
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Go, Delfin S., Hans Lofgren, Fabian Mendez Ramos, and Sherman Robinson. Estimating Parameters and Structural Change in CGE Models Using a Bayesian Cross-Entropy Estimation Approach. The World Bank, 2015. http://dx.doi.org/10.1596/1813-9450-7174.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., ed. Shock wave interaction with an abrupt area change. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

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Tiwari, Sandip. Information mechanics. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198759874.003.0001.

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Information is physical, so its manipulation through devices is subject to its own mechanics: the science and engineering of behavioral description, which is intermingled with classical, quantum and statistical mechanics principles. This chapter is a unification of these principles and physical laws with their implications for nanoscale. Ideas of state machines, Church-Turing thesis and its embodiment in various state machines, probabilities, Bayesian principles and entropy in its various forms (Shannon, Boltzmann, von Neumann, algorithmic) with an eye on the principle of maximum entropy as an
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Meisel, Martin. Chaos Imagined: Literature, Art, Science. Columbia University Press, 2016.

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Chaos Imagined: Art, Literature, Science. Columbia University Press, 2015.

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Sherwood, Dennis, and Paul Dalby. The First Law of Thermodynamics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198782957.003.0005.

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The First Law of Thermodynamics, and how the First Law relates a change in a state function, internal energy, to changes in the path functions work and heat. Thermodynamic cycles. Heat capacities at constant volume, and the definition CV = (∂U/∂T)V. Mathematics of internal energy. Examples of the application of the First Law to isothermal, isobaric, isochoric and adiabatic changes. Reversible and irreversible paths. Mixing and friction as irreversible processes. Proof that that any path involving friction (or any other dissipative process) must be irreversible, implying that all real paths are
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Book chapters on the topic "Isothermal change in entropy"

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Fujieda, S., A. Fujita, and Kazuaki Fukamichi. "Large Isothermal Magnetic Entropy Change after Hydrogen Absorption into La0.5Pr0.5(Fe0.88Si0.12)13." In Advanced Materials Research. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-463-4.577.

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Karsten, Siegfried. "Entropy, Synergy and Economic Change." In National Income and Nature: Externalities, Growth and Steady State. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2590-1_10.

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Casanova, F., X. Batlle, A. Labarta, et al. "Entropy Change and Magnetocaloric Effect in Magnetostructural Transformations." In Magnetism and Structure in Functional Materials. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-31631-0_12.

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Boughattas, Nejmiddin. "Entropy Generation Minimization Concept Evaluating Mixing Efficiency Through, Variable Density, Isothermal, Free Turbulent Jet." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-27146-6_94.

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Velloso, Maria Luiza F., and Flávio J. de Souza. "Change-Detection Using Contextual Information and Fuzzy Entropy Principle." In Advances in Artificial Intelligence — IBERAMIA 2002. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-36131-6_29.

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Yang, Saiming. "Study on Land Use Structural Change Based on Information Entropy." In Advances in Intelligent and Soft Computing. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25986-9_8.

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Pelorosso, Raffaele, Federica Gobattoni, and Antonio Leone. "Reducing Urban Entropy Employing Nature-Based Solutions: The Case of Urban Storm Water Management." In Smart Planning: Sustainability and Mobility in the Age of Change. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-77682-8_3.

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Josselin, Didier, Ilene Mahfoud, and Bruno Fady. "Impact of a Change of Support on the Assessment of Biodiversity with Shannon Entropy." In Headway in Spatial Data Handling. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-68566-1_7.

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Manikandan, V. M., and V. Masilamani. "Real-Time Scene Change Detection and Entropy Based Semi-Fragile Watermarking Scheme for Surveillance Video Authentication." In Proceedings of the 3rd International Symposium on Big Data and Cloud Computing Challenges (ISBCC – 16’). Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30348-2_9.

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Witte, Nils, and Jean Guedes Auditor. "Affluent Lives Beyond the Border? Individual Wage Change Through Migration." In IMISCOE Research Series. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67498-4_7.

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AbstractThis chapter investigates individual wage changes of German emigrants. The analytical strategy is twofold. First, we compare hourly wage changes among emigrants with wage changes among stayers. We estimate the Difference-in-Difference of mean net hourly wages between stayers and emigrants over time and account for the positive selection of emigrants on observable characteristics through entropy balancing. Second, we explore the heterogeneity of wage changes among emigrants. To that end, we calculate linear regressions on the log net hourly wage change through migration. The first analysis suggests substantial wage increases of 8 euros through migration. The second analysis provides evidence that characteristics of employment and of destination countries account for differences in the wage change among emigrants. Among individual characteristics, only age is negatively correlated, while education and gender do not account for differences. Our analysis rely on the first wave of the German Emigration and Remigration Panel Study. The German Socio-Economic Panel Study yields our reference population of stayers.
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Conference papers on the topic "Isothermal change in entropy"

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Mishra, Saroj Kumar, and Pallab Bag. "Inverse correlation between magnetoresistance and isothermal magnetic entropy change in CoS1.8Se0.2." In DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980671.

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Li, Z., C. Sanchez Valdes, J. L. Sanchez Llamazares, et al. "Magnetic field-induced isothermal entropy change across the magnetostructural transition in Ni-Mn-Ga melt-spun ribbons." In 2015 IEEE International Magnetics Conference (INTERMAG). IEEE, 2015. http://dx.doi.org/10.1109/intmag.2015.7157275.

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Tishin, A. M. "Relationship of adiabatic, isothermal and field constant changes of a magnetic entropy." In ADVANCES IN CRYOGENIC ENGINEERING: Proceedings of the International Cryogenic Materials Conference - ICMC. AIP, 2002. http://dx.doi.org/10.1063/1.1472522.

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Galvis, E., and J. R. Culham. "Lower Entropy Generation in Microchannels With Laminar Single Phase Flow." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30031.

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In this study the entropy generation minimization method is used to find the optimum channel dimensions in micro heat exchangers with a uniform heat flux. With this approach, pressure drop and heat transfer in the micro channels are considered simultaneously during the optimization analysis. A computational model is developed to find the optimum channel depth knowing other channel geometry dimensions and coolant inlet properties. The flow is assumed laminar and both hydrodynamically and thermally fully developed and incompressible. However, to take into account the effect of the developing len
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Kumar, Vijay, S. C. Sharma, and S. C. Jain. "Journal Motion Simulation of Hybrid Journal Bearing Considering Viscosity Variation Due to Temperature Change." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80741.

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A journal bearing system, if journal is disturbed from its equilibrium position, experiences change in the hydrodynamic forces acting on it. This disturbs the equilibrium of the journal and makes its center to whirl around the static equilibrium position. The dynamic response of a journal bearing system under these conditions can be obtained using either linear or non-linear equation of journal motion. The present work is aimed to determine realistic dynamic response of hole-entry hybrid journal bearing system compensated with constant flow valve restrictor. In this paper, the nonlinearized dy
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Tominaga, J., P. Fons, A. Kolobov, R. Simpson, and X. Wang. "Entropy-controlled Phase-change Memory." In 2011 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2011. http://dx.doi.org/10.7567/ssdm.2011.f-6-1.

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Caro, Florian, Frederic Coquel, Didier Jamet, and Samuel Kokh. "Phase Change Simulation for Isothermal Compressible Two-Phase Flows." In 17th AIAA Computational Fluid Dynamics Conference. American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-4697.

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Sciubba, Enrico. "Entropy Generation in Isothermal Laminar Flow Through Bifurcated Tubes With Wall Suction." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39911.

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The paper presents an analysis of the entropy generation in the bifurcation of a fluid-carrying tube in the presence of wall suction. The objective is to minimize the entropy generation rate due to the viscous flow within the tubes. Several simplifying assumptions are made to reduce the problem to a multi-objective optimization in 3 independent variables: the aspect ratio of the domain served by the flow, the diameter ratio of the primary and secondary branches, and the length of the secondary branch (the location of both the “source” of the fluid and the “sink”, i.e. the place of desired deli
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Xia, Shaojun, Lingen Chen, and Huijun Feng. "ENTROPY GENERATION MINIMIZATION FOR ONE-WAY ISOTHERMAL MASS TRANSFER PROCESSES WITH MASS LEAKAGE." In 3rd Thermal and Fluids Engineering Conference (TFEC). Begellhouse, 2018. http://dx.doi.org/10.1615/tfec2018.tfh.020744.

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Naterer, G., and D. Roach. "Entropy and numerical stability in phase change problems." In 7th AIAA/ASME Joint Thermophysics and Heat Transfer Conference. American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-2765.

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Reports on the topic "Isothermal change in entropy"

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Liu, Ju, Hector Gomez, John A. Evans, Thomas J. Hughes, and Chad M. Landis. Functional Entropy Variables: A New Methodology for Deriving Thermodynamically Consistent Algorithms for Complex Fluids, with Particular Reference to the Isothermal Navier-Stokes-Korteweg Equations. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada572015.

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