Relevant bibliographies by topics / Heat balance diagram

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  2. Dissertations / Theses
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  4. Conference papers

Academic literature on the topic 'Heat balance diagram'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Heat balance diagram"

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KAMIMURA, Seiji, and Shingo HOSHINO. "Design heat load for snow-melting facilities-Heat balance model and heat load diagram-." Journal of the Japanese Society of Snow and Ice 66, no. 6 (2004): 677–92. http://dx.doi.org/10.5331/seppyo.66.677.

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Muñoz, Ricardo C. "Combined Diagram: A Graphical Representation of Combination Evaporation Rates." Journal of Hydrometeorology 13, no. 4 (2012): 1389–95. http://dx.doi.org/10.1175/jhm-d-12-05.1.

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Abstract Combination methods estimate the partition of sensible and latent heat fluxes at the surface by combining the surface energy balance equation with the transfer equations for temperature and water vapor in the atmospheric surface layer. This paper presents a diagram that graphically depicts the main assumptions and steps of the method. Potential, apparent potential, and actual evaporation rates are visually explained with the diagram. Using a linearized saturation water content relation, the diagram permits the derivation of many of the combination evaporation results by means of geome
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Kutniy, Bogdan, and Bogdan Novakh. "Calculation of phace change heat accumulator in complex of energy efficient ventilation system." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 1, no. 52 (2019): 191–96. http://dx.doi.org/10.26906/znp.2019.52.1697.

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The classification of the main seasonal heat energy storage batteries is given, and the modern circuit diagram of the phaseshift battery as part of the system with a heat pump and a solar collector is considered. The disadvantage of water heaters istheir large volume in most cases. By utilizing the accumulated latent heat of substances, a significant reduction in capitalcosts is achieved. The possibility of creating energy-saving ventilation systems with the use of a seasonal heat accumulatorworking on phase transformations of heat-accumulating material is considered. The linear stationary mat
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Kurnakova, Natalia Yu, Andrei V. Nuzhdin, and Alexander A. Volkhonsky. "ON THE POSSIBILITY TO IMPROVE THE ENERGY EFFICIENCY OF THE CHP HEAT BALANCE DIAGRAM USING A HEAT PUMP." Proceedings of Irkutsk State Technical University 22, no. 7 (2018): 114–22. http://dx.doi.org/10.21285/1814-3520-2018-7-114-122.

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МАКСИМОВ, Н. М. "HEAT BALANCE OF WAX HEATING UNITS." VESTNIK RIAZANSKOGO GOSUDARSTVENNOGO AGROTEHNOLOGICHESKOGO UNIVERSITETA IM P A KOSTYCHEVA, no. 1(49) (March 30, 2021): 142–49. http://dx.doi.org/10.36508/rsatu.2021.49.1.021.

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Проблема и цель. Целью проводимых исследований является теоретическое обоснование и практическая реализация технологии производства воска на пасеках. Объект исследования: агрегаты для вытопки воска, включающие парогенератор для выработки перегретого пара и паровую рамочную воскотопку. Необходимость проводимых исследований вызвана дефицитом воска на внутреннем рынке Российской Федерации, а также малой производительностью и эффективностью выпускаемых промышленностью агрегатов для вытопки воска. Сложившаяся ситуация требует разработки усовершенствованной технологии получения пасечного воска с мин
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Esin, S. B., N. N. Trifonov, Yu G. Sukhorukov, et al. "Study of regeneration system of 300 MW power unit based on nondeaerating heat balance diagram at reduced load." Thermal Engineering 62, no. 9 (2015): 621–24. http://dx.doi.org/10.1134/s0040601515090037.

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Nikulina, Olena, Valerii Severyn, Nina Kotsiuba, and Anton Bubnov. "SIMULATION OF THERMAL PROCESSES OF A NPP STEAM GENERETOR FOR INFORMATION TECHNOLOGY OPTIMIZED CONTROL." Bulletin of National Technical University "KhPI". Series: System Analysis, Control and Information Technologies, no. 1 (5) (July 12, 2021): 56–61. http://dx.doi.org/10.20998/2079-0023.2021.01.09.

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Mathematical models of thermal processes in the form of Cauchy in the state space with relative variables of the steam generator PGV-1000 of the power unit of a nuclear power plant with a nuclear reactor VVER-1000 have been developed for the using of models in information technology for optimizing the control of a steam generator. The working thermal processes in the PGV-1000 steam generator associated with the supply of feed water to it from the water treatment system and the coolant from the nuclear reactor and the removal of vapors to the main steam header are considered. The design diagram
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He, Zhilong, Dantong Li, Lantian Ji, Xiaolin Wang, and Tao Wang. "Investigation on the Mass Flow Rate of a Refrigerator Compressor Based on the p–V Diagram." Applied Sciences 10, no. 19 (2020): 6650. http://dx.doi.org/10.3390/app10196650.

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The refrigerant mass flow rate of a refrigerator compressor can only be measured by a mass flow meter and heat balance method. This paper focuses on the expansion and compression phase in which the compressor cylinder is closed, and proposes a measurement method of instantaneous mass flow of the refrigerator compressor. The comparison of the experimental pressure variation in the p–V diagram and the theoretical adiabatic process implied that the expansion and compression process of the refrigerator compressor approximated the adiabatic process. Based on the approximations and the experimental
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Ilyin, Roman Albertovich, Nickolai Dmitrievich Shishkin, Ilya Igorevich Konkov, and Aida Abaevna Volkova. "Circuit decisions for heating vegetable oil tanks using thermal pump at Marine Trade Port Olya, JSC in Astrakhan region." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2020, no. 2 (2020): 120–26. http://dx.doi.org/10.24143/2073-1574-2020-2-120-126.

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The paper presents the analysis of the heating system of the vegetable oil tanks at Sea Trade Port Olya, JSC. The heating circuit from the electric boiler is considered. There is described the method of replacing the boiler by a heating system with laying heating networks from the heating station, the disadvantages being identified. An alternative is proposed for replacing traditional methods of heating vegetable oil in tanks by introducing a heat pump that takes low potential energy for its operation from the Bakhtemir River, not far from the facility. The proposed option is quite effective a
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Díaz, J. I., A. Hidalgo, and L. Tello. "Multiple solutions and numerical analysis to the dynamic and stationary models coupling a delayed energy balance model involving latent heat and discontinuous albedo with a deep ocean." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 470, no. 2170 (2014): 20140376. http://dx.doi.org/10.1098/rspa.2014.0376.

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We study a climatologically important interaction of two of the main components of the geophysical system by adding an energy balance model for the averaged atmospheric temperature as dynamic boundary condition to a diagnostic ocean model having an additional spatial dimension. In this work, we give deeper insight than previous papers in the literature, mainly with respect to the 1990 pioneering model by Watts and Morantine. We are taking into consideration the latent heat for the two phase ocean as well as a possible delayed term. Non-uniqueness for the initial boundary value problem, uniquen
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Dissertations / Theses on the topic "Heat balance diagram"

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Gajdoš, Adam. "Parní turbína pro spalovnu odpadů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417527.

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Diploma thesis deals with the design of the condensing steam turbine with power output 23.63 MW at 5000 rpm and an efficiency of 84.17% after optimization. The turbine contains one controlled steam extraction and four bleeds. The steam mass flow required by controlled steam extraction is 0-75 t/h of a total mass flow to the turbine 105 t/h. Design of the steam turbine is preceded by calculation of heat balance of the cycle. Then the thermodynamic and strength calculation of regulation stage and reaction staging flow channel are made. Thermodynamic calculation of the flow channel consists of pr
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Kalina, Leoš. "Návrh typu a zapojení parní turbíny pro konkrétní lokalitu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400488.

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This master's thesis is deals with type designing and implementing the steam turbine to the machine part of heat plant in reconstruction. The thesis consists of two parts. First part is theoretical explanation of the heating industry, steam turbines, thermal cycles and components of thermal power plants. Second part of the thesis describes the design and calculation of thermal diagrams based on turbine parameters, which were provided from Tenza, a.s. tender. There is a simplified calculation of technical-economic study in the conclusion of the thesis. The thesis output is recommendation of sin
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Molák, Filip. "Bypassový systém parních turbín." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443169.

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The master’s thesis deals with the bypass system of steam turbine, especially about its heating during normal operation and cold start up. At the beginning of work, a preliminary thermodynamic calculation of condensing steam turbine with two uncontrolled extractions is made. This is followed by theoretical description and design of bypass system and design of heating during normal operation and cold start-up. The main goal of thesis is optimalization of heating, when the heating branch is connected back to turbine supply line. In the end, all options of heating are compared in terms of power o
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Štěpánová, Lenka. "Parní kondenzační turbína." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-316410.

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The aim of this Master’s thesis is to design a steam condensing turbine with three bleeds. First, a heat balance of the steam cycle is calculated, followed by thermodynamic and stress calculation of the turbine blading and design of a gland steam system and drain system. A price proposal is suggested for the given steam turbine. In the end, a design drawing of the steam turbine is constructed.
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Dutra, Lívia Márcia Mosso. "Ciclones subtropicais sobre o Atlântico Sul: análise da estrutura dinâmica de eventos." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/14/14133/tde-14052012-132233/.

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Neste trabalho, o objetivo geral é investigar os processos sinóticos, dinâmicos e termodinâmicos de dois ciclones subtropicais ocorridos no Atlântico Sul. Utilizou-se um algoritmo de rastreamento de máximos de vorticidade ciclônica e o algoritmo Cyclone Phase Space (CPS), que permite classificar o ciclo de vida dos ciclones. Desenvolveu-se um processo de automatização destes algoritmos, que possibilitou a análise dos diagramas de fase de todos os ciclones ocorridos no Atlântico Subtropical durante 2008, 2009 e março de 2010. As condições sinóticas para dois eventos foram analisadas desde o per
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Books on the topic "Heat balance diagram"

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Atlas of the surface heat balance of the continents: Components and parameters estimated from climatological data. G. Borntraeger, 1989.

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Conference papers on the topic "Heat balance diagram"

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Nakagawa, Kyuya, Akane Horie, and Takashi Kobayashi. "Modeling of atmospheric freeze-drying for sliced fruit." In 21st International Drying Symposium. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7643.

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A mathematical model that simulates atmospheric freeze-drying for apple slices was developed based on the classical mass and heat balance equations. When operated above the glass transition temperature, product shrinkage and micro-collapse due to the glass-rubber transition occurred. So, instead of assuming formation of dried and frozen zones, a glassy matrix with particular vapor pressure was assumed. Apparent vapor pressure of apple slices in the glassy state was experimentally measured and summarized in a diagram, and the values in this diagram were employed for the simulation. This approac
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Chen, Xi, and Qun Chen. "The Power Flow Method for Analysis and Optimization of Heat Recovery and Power Generation System." In ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/power2018-7246.

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Performance improvement of heat recovery systems has huge potential for energy conservation but puzzles researchers due to the nonlinear coupled properties. The traditional modelling approaches focus on individual components, which introduces numerous non-independent variables and further complicates the system optimization. In this contribution, through the thermo-electric analogy method, the equivalent power flow diagram is built based on the system layout, then the corresponding governing equations are derived according to the circuitous philosophy, which reveals the overall transfer and co
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Kalina, A. I., and H. M. Leibowitz. "The Design of a 3MW Kalina Cycle Experimental Plant." In ASME 1988 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1988. http://dx.doi.org/10.1115/88-gt-140.

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An experimental project is now underway to demonstrate the advantages of the Kalina cycle technology. A Kalina Cycle Experimental Plant (KCEP) will be built as a 3 MW bottoming cycle using the waste heat from a facility within the Energy Technology Engineering Center (ETEC), a U.S. Department of Energy laboratory located in Canoga Park, California. The design of the experimental plant is presented, including the process flow diagram, heat and mass balance, and specifications for the plant’s major equipment; the waste heat boiler, turbine generator and distillation/condensation subsystem. Using
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Kashinath, Karthik, Santosh Hemchandra, and Matthew P. Juniper. "Nonlinear Phenomena in Thermoacoustic Systems With Premixed Flames." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68726.

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Nonlinear analysis of thermoacoustic instability is essential for prediction of frequencies, amplitudes and stability of limit cycles. Limit cycles in thermoacoustic systems are reached when the energy input from driving processes and energy losses from damping processes balance each other over a cycle of the oscillation. In this paper an integral relation for the rate of change of energy of a thermoacoustic system is derived. This relation is analogous to the well-known Rayleigh criterion in thermoacoustics, but can be used to calculate the amplitudes of limit cycles, as well as their stabili
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Stewart, J. C., and C. F. Hsun. "A Computer Program to Analyze Cogeneration Plant Heat Balances and Equipment Design." In ASME 1987 International Gas Turbine Conference and Exhibition. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/87-gt-27.

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This paper describes a computer program designed to calculate and analyze cogeneration plant heat balances and equipment and to plot heat balance diagrams. For normal design point conditions, the program calculates gas turbine performance, designs a heat recovery boiler to suit the process requirements, calculates a steam turbine performance and deaerator balance to complete the cycle. In addition, the program will calculate off-design performance for a supplementary firing option or for changes in ambient conditions, gas turbine part load or process conditions.
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Watanabe, Takamasa, and Hiroshi Kawamura. "Experiment of Solidification With Thermocapillary Convection in a Liquid Layer." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32639.

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To produce high-quality materials, a large number of studies have been carried out for the solidification and melting process of metals and semiconductors in both terrestrial and space environments. The previous studies focused mainly upon the solidification and melting processes themselves. In the real system, however, one cannot neglect effects of convection in molten materials, such as natural and thermocapillary convections, upon the resultant quality of the materials. This study aims to investigate experimentally the effect of the thermocapillary convection upon the directional solidifica
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Chen, Qun, Xia Li, and Xi Chen. "Power Flow Topology of Supercritical Carbon Dioxide Power Generation System and its Application in Modeling and Optimization." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87272.

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The supercritical carbon dioxide (sCO2) power generation system holds tremendous potential in nuclear, chemical and renewable energy utilization fields due to its compactness, security and high efficiency. However, the dramatic variation in the physical property of sCO2 complicates the system analysis and optimization. Recent researches usually took simple stack of all governing equations of individual components as the physical model of system. Besides, based on the traditional heat transfer modeling method, some researches apply the segmentation method to take fluid property variation into c
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Robinson, Megan, and Zoya Popovic. "SCALABLE MICROWAVE WASTE-TO-FUEL CONVERSION." In Ampere 2019. Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9839.

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This paper presents an efficiency study for scalable microwave waste management. When waste with carbon content is subjected to volume power densities on the order of 0.25W/cm3 at GHz frequencies, it converts to solid coke fuel with oil and gas bi-products that can further be processed for fuel, leaving no trace. For an efficient process, a well-controlled uniform RF field should be maintained in a non-uniform and time-variable material. We are developing a 2.45-GHz active microwave cavity with solid-state (GaN) spatially power combined sources for lower volumes, Fig.1. In the energy balance c
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Zhao, Gang, Ping Ye, Jie Wang, and Xiaoyong Yang. "HTR-PM Technology in Energy Supply of Petrol Chemical Industry in China: An Economic Feasibility View." In ASME 2016 10th International Conference on Energy Sustainability collocated with the ASME 2016 Power Conference and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/es2016-59092.

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The massive use of fossil fuel has caused huge carbon emission and serious air pollution in China. Now all kinds of alternative energy technology are developing rapidly to solve such problem in China. Electricity produced by non-fossil fuel energy is continued to increase sharply in China. But it’s hard for regular alternative energy, such as wind power, solar power, hydroelectricity power, nuclear power and so on, to easily provide process heat for industry, especially high temperature steam. High temperature Gas-cooled Reactor (HTGR, sometimes also called HTR) is a kind of nuclear reactor, w
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Nakao, Yoshinobu, Eiichi Koda, and Toru Takahashi. "Development of General-Purpose Software to Analyze the Static Thermal Characteristic of Nuclear Power Generation System." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48394.

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We have developed a general-purpose software by which static thermal characteristics of a power generation system can be analyzed easily. This software has following notable features. - It has new algorithm that can solve non-linear simultaneous equations used in analyzing static thermal characteristics of various power generation systems, namely the heat and mass balance and the efficiency. - It has flexibility over setting calculation conditions. - It can be executed on a personal computer easily and quickly. We have ensured that it can produce the heat and mass balance diagrams of a nuclear
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