Academic literature on the topic 'Heat calculation'

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Journal articles on the topic "Heat calculation"

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LUKS, Alexander L., Andrey G. MATVEEV, and Danila V. ZELENTSOV. "METHOD FOR CALCULATING HEAT PIPES THAT DIVERT HEAT FROM THE HEAT-EMITTING SURFACE." Urban construction and architecture 8, no. 1 (March 15, 2018): 35–39. http://dx.doi.org/10.17673/vestnik.2018.01.6.

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The results of complex studies of the parameters of the heat-conducting collectors, development of the methods for their calculation are presented. The main diffi culty in this case is the calculation of the design and parameters in the region of the contact zone between the heat pipe and the heat-generating surface. It is shown that the calculation methods used for convective collectors can not be applied to collectors with heat pipes in which the elements do not depend on each other. It is established that semiempirical models provide an opportunity to study the specifi cs of the processes taking place in the reservoir, the degree of their infl uence on its effi ciency. The simplifi ed calculation technique proposed in this article allows us to make the required estimates and calculations at the engineering level.
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Dobáková, Romana, Natália Jasminská, Tomáš Brestovič, Marian Lazár, and Jiří Marek. "Heat exchange on the outside of the pipe when heat is distributed by heat networks." International Journal for Innovation Education and Research 5, no. 9 (September 30, 2017): 82–87. http://dx.doi.org/10.31686/ijier.vol5.iss9.807.

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The article deals with the exchange of heat on the outside of the pipe when distributing heat through heat networks. This is a combined heat exchange, i.e. free convection and radiation. The calculations and outputs analysed in the article are mainly applicable to thermal networks run aboveground. In the calculation, an ambient temperature of 15 °C was measured, ranging from the temperatures corresponding to the air temperatures in the channel. The results are interpreted in the form of diagrams and tables. The calculation was performed on the secondary DN 125 pipe with PIPO_ALS insulation and the calculation was extended to all nominal diameters used in the secondary wiring for determining the influence of heat transfer, depending on the change in pipe diameter.
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Han, Wei Min, Yan Zhou, Heng Liang Zhang, and Dan Mei Xie. "The Research on Heat Transfer Coefficient of Wheel Rims of Large Capacity Steam Turbines." Advanced Materials Research 744 (August 2013): 100–104. http://dx.doi.org/10.4028/www.scientific.net/amr.744.100.

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Several models for calculating the heat transfer coefficient of wheel rims of large capacity steam turbines are presented. Taking a certain 600MW supercritical turbine rotor as an example, the heat transfer coefficient of wheel rim under cold start-up are analyzed and calculated, according to the and comparison, and the quantitative calculation results are given The results show that the heat transfer coefficient of rotor rims obtained by Sarkar method is close to the heat transfer coefficient obtained by a research institute based on a rib heat transfer model. In finite element analyses, the calculation results by mentioned method could provide the heat transfer boundary condition of temperature and thermal stress field calculations of supercritical and ultra-supercritical steam turbine rotors.
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Ilyin, A. A., and V. I. Merkulov. "Optimization of heat exchanger heat transfer surface of the engine with external heat supply." Izvestiya MGTU MAMI 8, no. 4-1 (February 20, 2014): 19–22. http://dx.doi.org/10.17816/2074-0530-67631.

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The paper describes the calculation the heat transfer surface of the heat exchanger of the power plant. These calculations use ANSYS CFX software package. The work determined the construction that provides the biggest temperature difference between the inlet and outlet of the coolant.
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Wang, Ya Li, Su Ping Cui, Gui Ping Tian, Ming Zhang Lan, and Zhi Hong Wang. "Theoretical Calculation and Experimental Study on the Forming Heat of Cement Clinker Made from Steel Slag." Materials Science Forum 814 (March 2015): 564–68. http://dx.doi.org/10.4028/www.scientific.net/msf.814.564.

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When steel slag, a by-product of steel making in impurity catching process, is added, the forming process of cement clinker and the major reactions in that process are changed. Since there are dramatic differences between the chemical components and mineral compositions of steel slag and that of natural cement raw materials, the empirical equation for the calculating forming heats of cement clinker made of limestone and clay is no longer applied for those made of steel slag. In this paper, the empirical equation for forming heat calculation of steel slag added cement clinker was promoted, and testified by acid dissolution experiments. Results showed that the change of raw materials had great influence on the forming heat of cement clinker. When the traditional raw materials were replaced with steel slag, the forming heat of cement clinker reduced. Calculating the forming heat by our revised empirical equation can help reduce errors and bring great convenience for the calculation and evaluation of heat efficiency. This research provides theoretical underpinning for the study and calculation of forming heat of steel slag added cement clinker.
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Liu, Jie, Shuang Xi Zhang, and Yu Feng He. "Investigation on Double-Tube Copper-Aluminum Column-Wing Type Radiators." Advanced Materials Research 243-249 (May 2011): 4883–86. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.4883.

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The calculation formulas are provided for calculating the heat release and metal thermal intensity of double-tube copper-aluminum Column-wing type radiator, and the reliability of the theoretical calculation is verified. The metal thermal intensity is taken as an optimization index, with theoretical calculations for different sorts of tube diameters and overall dimensions, obtains the optimalizing dimension of the radiator.
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Faizullin, R. O., V. Y. Zakharova, and A. V. Baranenko. "Numerical simulation of processes in the latent-heat thermal energy storage tank." IOP Conference Series: Earth and Environmental Science 866, no. 1 (October 1, 2021): 012036. http://dx.doi.org/10.1088/1755-1315/866/1/012036.

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Abstract This paper has proposed a computer model for numerical calculations of heat flows in regular rhombic packed bed of capsules with phase change material. The mathematical model of heat transfer in a capsule is based on finding a zero-dimensional solution to the Stefan problem, considering the influence of convective flows arising in the liquid phase. To take into account the heat transfer due to the convective component in the liquid phase in the capsule, the effective thermal conductivity coefficient is calculated. An experimental dependence has been applied to describe the heat exchange conditions of the coolant and the capsule wall. The calculation is reduced to finding the temperature of the coolant t after passing one layer of packed bed. The resulting temperature is the input parameter for calculating the next layer. This operation is repeated until the calculation is made for all layers of packed bed. The numerical calculation has been performed in the mathematical software Scilab. According to the proposed model, the results of calculating the temperature of the coolant after passing the storage device correlate well with the experimental data for a thermal energy storage device with spherical capsules filled with paraffin.
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Bacon, Sheldon, and Nick Fofonoff. "Oceanic Heat Flux Calculation." Journal of Atmospheric and Oceanic Technology 13, no. 6 (December 1996): 1327–29. http://dx.doi.org/10.1175/1520-0426(1996)013<1327:ohfc>2.0.co;2.

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Zhu, Dan, and Peng Yun Song. "The Calculation Methods of the Heat Balance for Recovering the Vaporous Water from Exhaust Gas in Ammonium Phosphate Production." Advanced Materials Research 881-883 (January 2014): 649–52. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.649.

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The volume content of water vapor in ammonium phosphate exhaust gas is about 12-20%, and the temperature is about 70-80°C. If the exhaust gas are directly discharged through the chimney, the water vapor in it will easily condense and fog because of local supersaturation, resulting in some energy and water losing. The cool water spray condensing can be used to recover water vapor from exhaust gas, and it can recover most of the water vapor and the sensible heat and the latent heat of the water vapor in the exhaust gas. Carrying out the energy balance and material balance calculations quickly and accurately is one of the major concerning problems for project design. This paper presents a calculation method for the heat balance by calculation the enthalpy difference of the water in the exhaust gas, compared with the method by directly calculating the heat in water vapor condensing process. Both the results are in good agreement, but the enthalpy difference method is more concise. The calculation methods and procedures are of practical engineering application values.
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Xue, Jia Xing, Zhou Wei Zhang, and Ya Hong Wang. "Research on Double-Stream Coil-Wound Heat Exchanger." Applied Mechanics and Materials 672-674 (October 2014): 1485–95. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.1485.

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A calculation method for double-stream counter-current coil-wound heat exchanger is presented for methanol-methanol heat exchange process. The numerical simulation method is applied to determine the basic physical parameters of double-stream spiral pipes. A recycling methanol cooler is designed and calculated by numerical simulation and programmed iterative calculation. The calculation data is analyzed by comparing with different variables. The result shows that the introduction of numerical simulation can simplify the pipe winding process and accelerate the calculation and design of overall configuration. This method can be used for physical modeling and heat transfer calculating of spiral pipes in double-stream coil wound heat exchanger, program to calculate the complex heat transfer changing with different variables and optimize the overall design and calculation process of double-stream spiral pipe bundles.
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Dissertations / Theses on the topic "Heat calculation"

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Siqueira, Sunni Ann. "Calculation of Time-Dependent Heat Flow in a Thermoelectric Sample." ScholarWorks@UNO, 2012. http://scholarworks.uno.edu/honors_theses/24.

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In this project, the time-dependent one-dimensional heat equation with internal heating is solved using eigenfunction expansion, according to the thermoelectric boundary conditions. This derivation of the equation describing time-dependent heat flow in a thermoelectric sample or device yields a framework that scientists can use (by entering their own parameters into the equations) to predict the behavior of a system or to verify numerical calculations. Allowing scientists to predict the behavior of a system can help in decision making over whether a particular experiment is worthy of the time to construct and execute it. For experimentalists, it is valuable as a tool for comparison to validate the results of an experiment. The calculations done in this derivation can be applied to pulsed cooling systems, the analysis of Z-meter measurements, and other transient techniques that have yet to be invented. The vast majority of the calculations in this derivation were done by hand, but the parts that required numerical solutions, plotting, or powerful computation, were done using Mathematica 8. The process of filling in all the steps needed to arrive at a solution to the time-dependent heat equation for thermoelectrics yields many insights to the behavior of the various components of the system and provides a deeper understanding of such systems in general.
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Eriksen, Håkon. "Development of Calculation Model for Heat Exchangers in Subsea Systems." Thesis, Norwegian University of Science and Technology, Department of Energy and Process Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9115.

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Subsea processing can make production from otherwise unprofitable fields profitable. In subsea processing controlled cooling of the process fluid will often be required. Robust and simple solutions are desirable in subsea processing. Coolers that rely on natural convection from the surrounding seawater are therefore interesting, but control of the process fluid outlet temperature is hard to obtain in such coolers. In this study a calculation model for subsea coolers has been developed. The commercial software MATLAB has been used for developing a program. Heat transfer and frictional pressure drop correlations have been studied and recommendations are made for the model. The model is based on tubes in parallel, and the tubes can be oriented vertically or horizontally. The program allows for open, semi-open and closed arrangements on the waterside, and both natural and forced convection is implemented. The program has been tested through simulations of two test cases and found to be performing as desired.

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Dahlqvist, Johan. "Impulse Turbine Efficiency Calculation Methods with Organic Rankine Cycle." Thesis, KTH, Kraft- och värmeteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104174.

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A turbine was investigated by various methods of calculating its efficiency. The project was based on an existing impulse turbine, a one-stage turbine set in an organic Rankine cycle with the working fluid being R245fa. Various methods of loss calculation were explored in the search for a method sufficiently accurate to make valid assumptions regarding the turbine performance, while simple enough to be time efficient for use in industrial research and development.  The calculations were primarily made in an isentropic manner, only taking into account losses due to the residual velocity present in the exit flow. Later, an incidence loss was incorporated in the isentropic calculations, resulting in additional losses at off-design conditions. Leaving the isentropic calculations, the work by Tournier, “Axial flow, multi-stage turbine and compressor models” was used. The work presents a method of calculating turbine losses separated into four components: profile, trailing edge, tip clearance and secondary losses. The losses applicable to the case were implemented into the model. Since the flow conditions of the present turbine are extreme, the results were not expected to coincide with the results of Tournier. In order to remedy this problem, the results were compared to results obtained through computational fluid dynamics (CFD) of the turbine. The equations purposed by Tournier were correlated in order to better match the present case. Despite that the equations by Tournier were correlated in order to adjust to the current conditions, the results of the losses calculated through the equations did not obtain results comparable to the ones of the available CFD simulations. More research within the subject is necessary, preferably using other software tools.
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Seletskaia, Tatiana. "Calculation of thermal expansion of iron-aluminides with transition metal additives." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2684.

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Thesis (Ph. D.)--West Virginia University, 2002.
Title from document title page. Document formatted into pages; contains vi, 103 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references.
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Harris, J. B. "Calculation of convective heat transfer rates in geometries relating to nuclear reactor safety research." Thesis, University of Exeter, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377312.

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Bezuidenhout, Johannes Jurie. "Convective heat flux determination using surface temperature history measurements and an inverse calculation method." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/35706.

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Effective gages to measure skin friction and heat transfer have been established over decades. One of the most important criteria in designing such a gage is the physical size of the gage to minimise the interference of the flow, as well as the mass of these devices. The combined measurement of skin friction and heat flux using one single gage on the other hand, present unique opportunities and with it, unique technical problems.

The objective of this study is therefore to develop a cost-effective single gage that can be used to measure both skin friction and heat flux. The method proposed in this study is to install a coaxial thermocouple into an existing skin friction gage to measure the unsteady temperature on the surface of the gage. By using the temperature history and a computer program the heat flux through the surface can be obtained through an iterative guessing method. To ensure that the heat flux through the gage is similar to the heat flux through the rest of the surface, the gage is manufactured of a material very similar to the rest of the surface.

Walker developed a computer program capable of predicting the heat flux through a surface from the measured surface temperature history. The program is based on an inverse approach to calculate the heat flux through the surface. The biggest advantages of this method are its stability and the small amount of noise induced into the system. The drawback of the method is that it is limited to semi-infinite objects. For surfaces with a finite thickness, a second thermocouple was installed into the system some distance below the first thermocouple. By modifying the computer program these two unsteady temperatures can be used to predict the heat flux through a surface of finite thickness.

As part of this study, the effect of noise induced by the Cook-Felderman technique, found in the literature were investigated in detail and it was concluded that the method proposed in this study is superior to this Cook-Felderman method. Heat flux measurements compared well with measurements recorded with heat flux gages. In all cases evaluated the difference was less than 20%. It can therefore be concluded that heat flux gages on their own can measure surface heat flux very accurately. These gages are however too large to install in a skin-friction gage. The method introduced in this study is noisier than the heat flux gages on their own, but the size which is very important, is magnitudes smaller when using a coaxial thermocouple, to measure the surface temperature history.
Master of Science

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Divi, Suresh Chandra. "Heat capacity measurements of pure and binary organic "plastic crystal" thermal energy storage materials and calculation of excess molar heat capacities." abstract and full text PDF (free order & download UNR users only), 2005. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1433411.

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Finkbeiner, David L. "Calculation of gas-wall heat transfer from pressure and volume data for spaces with inflow and outflow." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12042009-020320/.

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Birhanzl, Petr. "Klimatizace administrativní budovy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229905.

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The thesis describes the various ventilation and air conditioning systems used to maintain suitable, temperature-humidity parameters of air in office buildings. The thesis deals with their advantages and disadvantages and assessing the suitability of using several systems for the application. The main task is to choose the most suitable system and it's calculation. For the actual system design is needed to detect a heat loss and gains the specified object and calculate the minimum amount of ventilation air. There will also be given psychrometric calculation of a device and drawing documentation, including draft of an engine room.
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WANG, DIYUE. "A Numerical Calculation Tool Design for the Performance Assessment of a Bench-Scale Thermochemical Heat Storage System." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-288527.

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Thermochemical heat storage (TCS) is a technology to convert the heat and cold energy into chemical energy, via reversible chemical reactions, to be stored for heating and cooling applications. TCS technology is gaining interest for its very compact energy storage densities offering attractive thermal energy storage (TES) alternatives to decrease energy-related greenhouse gas(GHG) emissions and contribute to sustainable development.  This thesis is part of the umbrella project “Neutrons for Heat Storage (NHS)”, funded by Nordforsk. The objective of the NHS project at KTH is to design, construct and operate a bench-scale TCS system using strontium chloride (SrCl2)-ammonia (NH3) as the solid-gas reaction pair for low-temperature heat storage applications (40-80 ℃). This system has been thus numerically designed, adapted to practical considerations, and is now being built at Energy Technology, KTH.  Within this background, this thesis, as its primary objective, designs a calculation tool for evaluating the experimental performance of the above described bench-scale TCS system. A thorough explanation of the thesis methodology is presented here, including preparing the composites (SrCl2 impregnated into expanded natural graphite), the system’s risk analysis, and the critical focus is on the systems’ performance evaluation parameters, and the mathematical design of the calculation tool. A review of relevant literature is also conducted to identify the most pertinent performance evaluation parameters of this TCS system. For the consideration of user-friendliness, simplicity, and effectiveness, the calculation tool is designed using Ms. Excel. Here, energy efficiency, reaction advancement, reaction advancement rate, the real thermal energy density per mass, and actual thermal energy density per volume are chosen as the parameters to best-represent the system’s performance (i.e., Key Performance Indicators (KPIs)), calculated based on mass balance and energy balance expressions, primarily. Using this calculation tool, concerning this experimental bench-scale system, the user can visualize the obtained experimental data, calculate the defined KPIs of the system, and seek the potential to improve the current system.  A group of test data is assumed (consulting the reaction equilibrium curve, thus ensuring that they fall within realistic experimental conditions) to check the calculation tool's accuracy and function. For the lack of experimental data, the results of the test data are not ideal. However, thanks to these assumed test data, it is proven that the calculation tool functions correctly. The calculation process can be finished in several minutes, saving a lot of time otherwise required for the data analysis after the experiments. It also functions as the test model to analyze the experimental data.  In conclusion, this project designed and presents a functioning calculation tool to evaluate the experimental performance of a bench-scale experimental TCS system (being built and commissioned at KTH) for the reaction between SrCl2 and NH3. Some suggestions related to future improvements are proposed as well. For instance, the calculation tool is not automatic enough because it involves manual operation at specific points. Therefore, one of the future tasks is to add the ability to identify the reaction pressure vs temperature curve against the equilibrium conditions and defining whether the process is absorption or desorption automatically. Besides, currently, much electrical equipment is employed in the system, which decreases the system's sustainability, whereas, in future work, the layout of the system can be improved. The system's exergy performance is not analyzed in the thesis report, which can be chosen as another future task.
Termokemisk energilagring (TCS) är en teknik som omvandlar värme och kyla till kemisk energi via reversibla kemiska reaktioner, som ska lagras för uppvärmning och kylning. Intresset för TCS-teknik ökar idag för sin mycket kompakta energilagringstäthet som erbjuder ett attraktivt alternativ för termiskenergilagring (TES) för att minska energirelaterade växthusgasutsläpp (GHG) och bidra till hållbar utveckling.  Denna avhandling är en del av paraplyprojektet ”neutroner för värmelagring (NHS)”, finansierat av Nordforsk. Målet med NHS-projektet vid KTH är att designa, konstruera och driva ett TCS-system i bänksala med strontiumklorid (SrCl2) och ammoniak (NH3) som reaktionspar för fast-gas reaktion för värmelagringsapplikationer vid låg temperatur (40-80℃). Detta system har därmed numeriskt utformats och anpassats till praktiska användningsområden och byggs nu på institutionen för Energiteknik på KTH.  Med denna bakgrund utformar detta projekt som sitt primära mål, ett beräkningsverktyg för att utvärdera den experimentella prestandan för det ovan beskrivna TCS-systemet i bänkskala. En grundlig förklaring av metoden presenteras här, inklusive förberedning av kompositerna (SrCl2 impregnerat i en expanderad naturlig grafit) samt systemets riskanalys. Kritiskt fokus ligger på systemens prestandaparametrar och den matematiska utformningen av beräkningsverktyget. En genomgång av relevant litteratur genomfördes också för att identifiera de mest relevanta parametrarna. Med hänsyn till användarvänlighet, enkelhet och effektivitet, är beräkningsverktyget utformat med hjälp av Excel. Här väljs energieffektivitet, reaktionsprogression, förändring av reaktionsprogression, den verkliga termiska energidensiteten per massa och praktisk termisk energitäthet per volym som parametrar för att bäst representera systemets prestanda (dvs Key Performance Indicators (KPIs)). Dessa KPIs beräknades främst baserat på massbalans och energibalansuttryck. Med hjälp av detta beräkningsverktyg för detta TCS-systemet på bänkskala kan användaren visualisera den erhållna experimentella datan, beräkna de definierade KPI:erna för systemet och hitta potentialen att förbättra det nuvarande systemet.  En mängd testdata antogs (genom att hänvisa till reaktionens jämviktskurva, vilket säkerställer att de faller inom realistiska experimentförhållanden) för att kontrollera beräkningsverktygets noggrannhet och funktion. På grund av avsaknaden av experimentella data är resultaten av testdata inte optimala. Men med hjälp av den antagna testdatan är det bevisat att beräkningsverktyget fungerar korrekt. Beräkningen kan avslutas efter några minuter, vilket sparar mycket tid som annars krävs för dataanalysen efter experimenten. Det fungerar också som en testmodell för att analysera experimentdata.  Sammanfattningsvis utformade och presenterade detta projekt ett fungerande beräkningsverktyg för att utvärdera experimentella prestanda för ett experimentellt TCS-system på bänkskala (byggs och tas i drift vid KTH) för reaktionen mellan SrCl2 och NH3. Några förslag relaterade till framtida förbättringar föreslås också. Beräkningsverktyget är till exempel inte helt automatiserat eftersom det behöver manuell inmatning vid specifika punkter. Därför är en av de framtida uppgifterna att lägga till förmågan att identifiera reaktionstrycket mot temperaturkurvan i förhållande till jämvikten och att definiera om processen är absorption eller desorption automatiskt. För närvarande används mycket elektrisk utrustning i systemet vilket minskar systemets hållbarhet, medan systemet i framtiden kan förbättras. Systemets exergiprestanda analyseras inte i rapporten, vilket kan lämnas för framtida arbete.
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Books on the topic "Heat calculation"

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Künzel, Hartwig M. Simultaneous heat and moisture transport in building components: One- and two-dimensional calculation using simple parameters. Stuttgart: IRB Verlag, 1995.

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Ferris, J. M. LIMNO/2: A BASIC program for calculation of whole lake stability, heat content, and volume-weighted averages of oxygen concentration and salinity. Kingston, Tas., Australia: Antarctic Division, Dept. of the Arts, Sport, the Environment, Tourism, and Territories, 1989.

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Marsh, Charles P. Boiling manhole heat-loss calculations. [Champaign, IL]: US Army Corps of Engineers, Construction Engineering Research Laboratories, 1998.

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Croft, D. R. Heat transfer calculations using finite difference equations. Sheffield: PAVIC Publications, 1989.

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Standerfer, Stan. Thermal insulation calculations for plant process engineers. Hermiston, Or: Stan Standerfer, 1993.

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Baylon, David. Super good cents heat loss reference: Heat loss assumptions and calculations. Seattle, WA: Ecotope, 1988.

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International, Conference on Numerical Methods in Thermal Problems (5th 1987 Montreal Canada). Numerical methods in thermal problems: Proceedings of the fifth international conference held in Montreal, Canada on June 29th-July 3rd, 1987. Swansea: Pineridge, 1987.

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W, Lewis R., and Morgan K. 1945-, eds. Numerical methods in thermal problems: Proceedings of the Sixth International Conference held in Swansea, U.K. on July 3rd-July 7th, 1989. Swansea: Pineridge, 1989.

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Proterma, Ltd. Manual for calculating CHP electricity and heat. Helsinki, Fi: Proterma, Ltd., 2000.

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Davis, Bob. Manufactured homes acquisition program: Heat loss assumptions, calculations, and heat loss coefficient tables. Seattle, WA: Ecotope, Inc., 1992.

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Book chapters on the topic "Heat calculation"

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Duchemin, B., and C. Nordborg. "Decay Heat Calculation." In Nuclear Data for Science and Technology, 556–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-58113-7_159.

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Koelet, P. C., and T. B. Gray. "The Heat Load Calculation." In Industrial Refrigeration, 374–83. London: Macmillan Education UK, 1992. http://dx.doi.org/10.1007/978-1-349-11433-7_11.

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Kleiber, Michael, and Ralph Joh. "D1 Calculation Methods for Thermophysical Properties." In VDI Heat Atlas, 119–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-77877-6_10.

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Kochnev, I., S. Kondakov, and G. Lomakin. "Recuperative Heat Exchanger Calculation Method." In Lecture Notes in Mechanical Engineering, 198–204. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-54814-8_24.

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Wickström, Ulf. "Heat Transfer by Radiation." In Temperature Calculation in Fire Safety Engineering, 65–87. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30172-3_5.

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Wickström, Ulf. "Heat Transfer by Convection." In Temperature Calculation in Fire Safety Engineering, 89–105. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30172-3_6.

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Nagnibeda, Ekaterina, and Elena Kustova. "Algorithms for the Calculation of Transport Coefficients." In Heat and Mass Transfer, 111–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01390-4_6.

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Wickström, Ulf. "Measurements of Temperature and Heat Flux." In Temperature Calculation in Fire Safety Engineering, 133–51. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30172-3_9.

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Shang, De-Yi, and Liang-Cai Zhong. "Calculation Examples on Heat Transfer by Using Conversion Formulae." In Heat and Mass Transfer, 173–88. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94403-6_14.

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Shang, De-Yi, and Liang-Cai Zhong. "Calculation Examples by Using the Predictive Formulae on Heat Transfer." In Heat and Mass Transfer, 121–38. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94403-6_10.

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Conference papers on the topic "Heat calculation"

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Novomestský, Marcel, Andrej Kapjor, Štefan Papučík, and Ján Siažik. "Heat pipe thermosyphon heat performance calculation." In THE APPLICATION OF EXPERIMENTAL AND NUMERICAL METHODS IN FLUID MECHANICS AND ENERGY 2016: XX. Anniversary of International Scientific Conference. AIP Publishing LLC, 2016. http://dx.doi.org/10.1063/1.4953731.

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Karmanov, F. I., A. A. Travleev, L. N. Latysheva, and M. Vecchi. "Heat Deposit Calculation in Spallation Unit." In Proceedings of the Conference “Bologna 2000: Structure of the Nucleus at the Dawn of the Century”. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812810922_0074.

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Tian, Weixue, and Wilson K. S. Chiu. "Calculation of Direct Exchange Areas for Non-Uniform Zones." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47479.

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This paper presents a special transformation of variables to reduce a double integral into three single integrals and its use for calculating Direct Exchange Areas (DEA) in Zonal method. This technique was originally presented for calculation of DEA using a uniform zone system in a cylindrical enclosure. However, non-uniform zones are needed for applications with large thermal gradients. Thus we extended this technique to calculate the DEA for non-uniform zones in an axisymmetrical cylinder system. At least six times of saving in computational time was observed in calculating DEA compared with cases without transforming of variables. It is shown that accuracy and efficiency of estimation of radiation heat flux is improved when using a non-uniform zone system. Reasonable accuracy of all DEA are calculated without resorting to the conservative equations. Results compared well with analytical solutions and numerical results of previous researchers. A brief discussion of its application in calculating DEA in a 3-D rectangular enclosure is also provided.
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Chew, P. E., and D. R. Atthey. "Calculation of High Temperature Regenerative Heat Exchangers." In Advanced Course in High Temperature Equipment. Connecticut: Begellhouse, 1986. http://dx.doi.org/10.1615/ichmt.1986.advcoursehightempeq.40.

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Heggs, Peter J. "Calculation of High Temperature Regenerative Heat Exchangers." In Advanced Course in High Temperature Equipment. Connecticut: Begellhouse, 1986. http://dx.doi.org/10.1615/ichmt.1986.advcoursehightempeq.50.

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Ahmed, Ikram, and Ildar Sabirov. "Inverse Calculation of Flame Impingement Heat Transfer." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98450.

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Inverse calculations are presented here for the estimation of heat transfer from an impinging flame on a flat surface. This work is a preliminary exercise for estimating heat transfer from an impinging plasma jet, where direct measurements can be very difficult and costly, and the correlations based on air or water jet impingement measurements may not be applicable because of the very high temperature (and property) gradients. As the gas flame impinges on an initially cold flat plate, the temperature evolution on the backside is recorded using an infrared camera. The time–temperature data thus obtained are then compared with those predicted by a finite volume method based code. The code uses a polynomial series for estimating the convection coefficient, which varies with radial distance. The coefficients of this polynomial are treated as a set of parameters to be estimated through the Levenberg-Marquardt approach. The results obtained so far indicate that it may be possible to use such an approach for estimating heat transfer from a plasma jet.
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Chulenyov, A. "Calculation of Heat Transfer in Condensing Boilers." In 2019 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon). IEEE, 2019. http://dx.doi.org/10.1109/fareastcon.2019.8934299.

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Wu, Yanmei, Junchang Li, and Yunchang Fu. "Approximate calculation of pulse laser heat treatment." In Photonics Asia 2010, edited by Upendra N. Singh, Dianyuan Fan, Jianquan Yao, and Robert F. Walter. SPIE, 2010. http://dx.doi.org/10.1117/12.871376.

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Tsygankov, A. V., O. V. Dolgovskaia, Y. L. Kuznetsov, and A. S. Shilin. "Hydrodynamic calculation of rotary regenerative heat exchanger." In OIL AND GAS ENGINEERING (OGE-2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5051881.

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Hrbek, Jan, Igor Poznyak, and Jan Uher. "Calculation of heat flux through calorimeter wall." In 17TH CONFERENCE OF POWER SYSTEM ENGINEERING, THERMODYNAMICS AND FLUID MECHANICS. Author(s), 2018. http://dx.doi.org/10.1063/1.5081638.

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Reports on the topic "Heat calculation"

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Bojanowski, Cezary, and Aurelien Bergeron. Influence of Multi-Dimension Heat Conduction on Heat Flux Calculation for HFIR LEU Analysis. Office of Scientific and Technical Information (OSTI), September 2017. http://dx.doi.org/10.2172/1463238.

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Plodinec, M. J. Method of calculation of heat generation rates for DWPF glass. Office of Scientific and Technical Information (OSTI), March 1992. http://dx.doi.org/10.2172/7025424.

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Worley, B. A., R. Q. Wright, and F. G. Pin. Finite-line heat transfer code with automated sensitivity-calculation capability. Office of Scientific and Technical Information (OSTI), September 1986. http://dx.doi.org/10.2172/5120612.

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Plodinec, M. J. Method of calculation of heat generation rates for DWPF glass. Office of Scientific and Technical Information (OSTI), February 1993. http://dx.doi.org/10.2172/6593562.

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Plodinec, M. J. Method of calculation of heat generation rates for DWPF glass. Revision 2. Office of Scientific and Technical Information (OSTI), February 1993. http://dx.doi.org/10.2172/10151234.

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Plodinec, M. J. Method of calculation of heat generation rates for DWPF glass. Revision 1. Office of Scientific and Technical Information (OSTI), March 1992. http://dx.doi.org/10.2172/10190215.

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Choi, A. S. Calculation of DWPF Canister Decay Heat for Sludge Macro-Batches 1B to 9. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/6756.

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Lan, J. S. Spent Nuclear Fuel project photon heat deposition calculation for hygrogen generation within MCO. Office of Scientific and Technical Information (OSTI), August 1996. http://dx.doi.org/10.2172/658111.

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Veynandt, François, Thomas Ramschak, Yoann Louvet, Michael Köhl, and Stephan Fischer. INFO Sheet A13: LCoH calculation method: comparison between Task 54 and Solar Heat WorldWide. IEA SHC Task 54, November 2017. http://dx.doi.org/10.18777/ieashc-task54-2017-0012.

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Bell, J., and L. Hand. Calculation of Mass Transfer Coefficients in a Crystal Growth Chamber through Heat Transfer Measurements. Office of Scientific and Technical Information (OSTI), April 2005. http://dx.doi.org/10.2172/918405.

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