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Relevant bibliographies by topics / Lumped-heat-capacity method

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Academic literature on the topic 'Lumped-heat-capacity method'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Lumped-heat-capacity method"

1

Sun, Zehui, Guoli Li, Zhe Qian, Weifei Li, and Jian Jing. "Lumped-Capacity Method for Easy Estimation of Interfacial Heat Transfer Coefficients in Die Casting." International Journal of Materials, Mechanics and Manufacturing 8, no. 3 (2020): 104–8. http://dx.doi.org/10.18178/ijmmm.2020.8.3.492.

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Nikolai, Kobasko. "STUDY OF DIFFERENCES BETWEEN REAL AND EFFECTIVE HEAT TRANSFER COEFFICIENTS TO PROVIDE CORRECT DATA ON TEMPERATURE FIELD CALCULATIONS AND COMPUTER SIMULATIONS DURING HARDENING OF STEEL." EUREKA: Physics and Engineering, no. 3 (May 31, 2018): 42–51. https://doi.org/10.21303/2461-4262.2018.00646.

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The paper analyses contemporary methods and probes for testing liquid media used as a quenchant in heat treating industry. It is shown that lumped-heat-capacity method, often used for testing liquid media, produces big errors during transient nucleate boiling processes due to incorrect calculation condition  caused by use effective heat transfer coefficient (HTC). The effective heat transfer coefficients (HTCs), utilized for this purpose, are almost seven times less as compared with real HTCs that results in incorrect calculation the value of Bi. Instead of lumped-heat -capacity method, a

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3

Seregina, E. V., and М. А. Stepovich. "On the projection method for solving the heat equation with lumped heat capacity." Izvestiya of Saratov University. Mathematics. Mechanics. Informatics 25, no. 2 (2025): 173–83. https://doi.org/10.18500/1816-9791-2025-25-2-173-183.

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Kobasko, Nikolai. "STUDY OF DIFFERENCES BETWEEN REAL AND EFFECTIVE HEAT TRANSFER COEFFICIENTS TO PROVIDE CORRECT DATA ON TEMPERATURE FIELD CALCULATIONS AND COMPUTER SIMULATIONS DURING HARDENING OF STEEL." EUREKA: Physics and Engineering 3 (May 31, 2018): 42–51. http://dx.doi.org/10.21303/2461-4262.2018.00646.

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The paper analyses contemporary methods and probes for testing liquid media used as a quenchant in heat treating industry. It is shown that lumped-heat-capacity method, often used for testing liquid media, produces big errors during transient nucleate boiling processes due to incorrect calculation condition caused by use effective heat transfer coefficient (HTC). The effective heat transfer coefficients (HTCs), utilized for this purpose, are almost seven times less as compared with real HTCs that results in incorrect calculation the value of Bi. Instead of lumped-heat -capacity method, a gener

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5

Zhao, Li Bin, Yuan Wei Li, and Feng Rui Liu. "Taylor Series Numerical Method in Transient Heat Conduction Analysis." Applied Mechanics and Materials 275-277 (January 2013): 677–80. http://dx.doi.org/10.4028/www.scientific.net/amm.275-277.677.

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Taylor series numerical method (TSNM) is extended to the field of transient heat conduction. Theoretical description of TSNM for transient heat conduction problems is presented. Furthermore, the algorithm is realized and embedded in commercial software ANSYS®. If a lumped mass heat capacity matrix provided, the governing equation of transient heat conduction problems, which is a differential equation, will be solved by a series of recursion calculation of Taylor expanding coefficients. A typical transient heat conduction problem with analytical solution was discussed to verify the TSNM. At las

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6

Lin, Xiyue, Xianjun Li, Wenliang Zhang, et al. "A review of methods for calculating of the interfacial heat transfer coefficient." Journal of Physics: Conference Series 2403, no. 1 (2022): 012036. http://dx.doi.org/10.1088/1742-6596/2403/1/012036.

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Abstract As an important parameter for quenching and simulation, the interfacial heat transfer coefficient (IHTC) is hard to be directly measured through experiments. Researchers have come up with different methods to solve the problem. Currently, the numerical method, the heat balance method (HBM), the Beck’s non-linear estimation method (BEM), and the lumped heat capacity method (LCM) are the main methods of calculating the IHTC. In this paper, the direct heat conduction problem and the solution are firstly analysed, then the solutions and applications of different methods for calculating IH

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Sugianto, A., Michiharu Narazaki, and M. Kogawara. "Iterative Modification of Lumped Heat Capacity Method on Predicting Residual Stress and Distortion of Still-Quenched S45C Steel Cylinder." Materials Science Forum 561-565 (October 2007): 1857–60. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.1857.

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Computer simulation can be utilized to predict the property and quality of heat-treated products. The prediction accuracy depends upon the thermal boundary condition and the thermal history from which surface heat transfer coefficient (HTC) is derived. Variables studied are thermal boundary and the surface HTC. Zone-based thermal boundary is set with and without edge effect. Lumped heat capacity method is used to predict HTC of silver probe (1st step), then iterative modification method is applied to the prediction of HTC of SUS304 cylinder (2nd step) and S45C cylinder itself (3rd step). Using

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8

Chen, Chu, Zhi Guo Lu, and Jian Ping Lin. "Temperature Variation History Prediction of Fully-Closed Adhesive Joint in Curing Process." Applied Mechanics and Materials 44-47 (December 2010): 394–99. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.394.

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To describe the heat transfer of fully-closed adhesive joint in curing process, adhesive joint, enclosure for closing joints and its inner air are simplified as a multi-lumped-heat-capacity system neglecting the heat from adhesive chemical reaction. Based on heat transfer theory, a temperature prediction model of fully-closed joint was proposed. Combining experimental temperature history of the joint with finite difference method, the combined heat transfer coefficients of adhesive under different curing temperatures were obtained according to Newton's heat transfer formula. And the model was

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9

Campo, Antonio, and Graham Spencer. "A Simple Experimental Procedure for the Approximate Determination of the Heat Capacity of Metals in a Natural Convection Environment under the Premises of a Lumped Model." International Journal of Mechanical Engineering Education 35, no. 4 (2007): 316–23. http://dx.doi.org/10.7227/ijmee.35.4.6.

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A method is presented of measuring the specific heat capacity, Cp, of pure metals and alloys in an undergraduate thermofluids laboratory using simple concepts of unsteady heat conduction in solids and natural convection in fluids taken from textbooks on heat transfer. A simple experiment was developed in which a small-diameter metallic sphere at ambient temperature (∼20° C) is suddenly immersed in a tank containing quiescent ice water at 0° C. The metallic sphere was suspended by the lead wire of a thermocouple and the temperature-time evolution was recorded. A first-order differential equatio

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Zhang, Xiaoxuan, Reinhardt Klein, Anantharaman Subbaraman, et al. "Evaluation of convective heat transfer coefficient and specific heat capacity of a lithium-ion battery using infrared camera and lumped capacitance method." Journal of Power Sources 412 (February 2019): 552–58. http://dx.doi.org/10.1016/j.jpowsour.2018.11.064.

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Book chapters on the topic "Lumped-heat-capacity method"

1

Sugianto, A., Michiharu Narazaki, and M. Kogawara. "Iterative Modification of Lumped Heat Capacity Method on Predicting Residual Stress and Distortion of Still-Quenched S45C Steel Cylinder." In Materials Science Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-462-6.1857.

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Conference papers on the topic "Lumped-heat-capacity method"

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Sherwin, Keith, and Henry Barrow. "Determination of the Heat Transfer Performance of Finned Surfaces Using a Transient Lumped-Capacity Method." In Vehicle Thermal Management Systems Conference. SAE International, 1993. http://dx.doi.org/10.4271/931134.

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Shen, Y. J., D. H. Chen, and Z. M. Zhang. "Thermal Analysis of an Absolute Radiometer Designed for the Future Satellite Mission of Total Solar Irradiance Measurement." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-1119.

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Abstract This work employs finite element (FE) software to perform a thermal modeling of a proposed absolute radiometer designed for the future satellite mission of total solar irradiance measurement. Both steady-state and transient analyses have been performed to obtain the temperature distribution and history. The cavity-type absolute radiometer employs the electrical-substitution technique and active temperature control to determine the radiant power entering the receiving cavity. The nonequivalence between the shutter-open mode and shutter-closed mode due to different temperature distribut

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El-Jummah, Abubakar M., Reyad A. A. Abdul Husain, Gordon E. Andrews, and John E. J. Staggs. "Conjugate Heat Transfer CFD Predictions of Impingement Heat Transfer: The Influence of Hole Pitch to Diameter Ratio X/D at Constant Impingement Gap Z." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25269.

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Conjugate heat transfer (CHT) computational fluid dynamic (CFD) predictions, were carried out for a 10 × 10 square array of impingement holes, for a range of pitch to diameter ratio X/D from 1.9 to 11.0 at a constant impingement gap Z of 10mm and pitch X of 15.24mm. The variation of X/D changes the impingement wall pressure loss for the same coolant mass flow rate and also changes the interaction with the impingement gap cross-flow. The experimental technique to determine the surface averaged heat transfer, used the lumped capacity method with Nimonic-75 metal walls with imbedded thermocouples

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Andrews, Gordon E., and Ibrahim M. Khalifa. "Planar Duct Heat Transfer With Turbulence Enhancing Obstacles for Combustor Liner External Cooling." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27418.

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Parallel plate combustor wall cooling was investigated. The combustor air flowed down the gap between two flat surfaces in a low pressure loss configuration. The work was aimed at combustor liner external air cooling for regenerative combustor cooling prior to entering a lean low NOx combustor. The test rig was 152 mm square and the test section was a duct of 152mm width and height of 10 and 5mm with a 152mm length. The experimental investigation involved the measurement of the heat transfer coefficient using the lumped capacity method. together with overall wall cooling effectiveness measurem

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Nadeau, Mathieu, Philippe Micheau, Raymond Robert, et al. "Lumped Thermal Model of a Newborn Lamb and a Liquid Ventilator in Total Liquid Ventilation." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-40108.

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Total liquid ventilation (TLV) is an emerging and promising mechanical ventilation method in which the lungs are filled with a breathable liquid. Perfluorocarbon (PFC) is the predominant liquid of choice due to its high O2 and CO2 solubility. In TLV, a dedicated liquid ventilator ensures gas exchange by renewing a tidal volume of PFC, which is temperature-controlled, oxygenated and free of CO2. A fundamental difference between TLV and conventional mechanical ventilation relates to the fact that PFCs are approximately 1500 times denser than air. This high density provides PFCs with a large heat

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6

Scott, David A., and P. H. Oosthuizen. "A Study of Three-Dimensional Mixed Convective Heat Transfer From Short Vertical Cylinders in a Horizontal Forced Flow." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1409.

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Abstract Heat transfer from relatively short vertical isothermal cylinders in a horizontal forced fluid flow has been considered. The flow conditions are such that the buoyancy forces resulting from the temperature differences in the flow are in general significant despite of the presence of a horizontal forced flow of air, that is, mixed convective flow exists. Because the cylinders are short and the buoyancy forces act normal to the forced flow, three-dimensional flow exists. The experiments were performed in a low velocity, open jet wind tunnel. The study involved the experimental determina

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7

Fernandez, Christopher, and Sheldon Jeter. "Comparison and Implementation of Thermally Massive Wall and Roof Models for Use in Simplified Building Energy Models." In ASME 2019 13th International Conference on Energy Sustainability collocated with the ASME 2019 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/es2019-3909.

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Abstract Although contemporary and complex building energy models such as EnergyPlus are highly advanced and predictive, a simplified building energy model has many advantages and applications. Chief among the advantages are adaptability to the measured response of a building and conciseness in computer implementation. Important applications will include automated fault detection. One of the most important aspects of a successful building energy model is the ability to accurately account for the heat capacity of the structure, especially the envelope. As part of the development of a simplified

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8

Liszka, Miroslaw, Aleksandr Fridlyand, Ambalavanan Jayaraman, Michael Bonnema, and Chakravarthy Sishtla. "Hydrogen Fast Fill Modeling and Optimization of Cylinders Lined With Phase Change Material." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24154.

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Abstract This work is a continuation of a previous study (IMECE2019-11449) which sought to explore the feasibility and means of successfully modeling the hydrogen fast filling process of cylinders lined with phase change material (PCM) entirely in CFD software. The first focus of this work was to address the simplistic approach of how the liner temperature was modelled in the previous study. Previously, the entire liner was assigned a single temperature which was obtained and updated through the lumped heat capacity method. This meant that the hotter gas at the end of the cylinder opposite the

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9

Geng, Xuyao, and Jie Wang. "Study on Power Regulation Methods of Microreactor Coupled With Closed Helium Gas Turbine Direct Cycle." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-133388.

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Abstract Microreactor is a class of rapidly developing small advanced reactor. It has many advantages: mobility and transport ability, resilience, and independence from the grid, as well as its capacity for long refueling intervals. The microreactor utilizing high-temperature gas-cooled reactor technology has inherent safety. By coupling microreactor with the helium turbine direct cycle power generation system, it can operate at high temperature. Therefore, the microreactor coupled with closed helium gas turbine direct cycle (MR-GT) has broad prospects for development. In this paper, the mathe

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Owens, Charles Abdol-Hamid, Hoyeon Park, Robert Joseph Flores, Luke Wentlent, Jack Brouwer, and Jaeho Lee. "Analytical and Numerical Modeling of Thermal Transport in Liquid Hydrogen Tanks." In ASME 2024 Heat Transfer Summer Conference collocated with the ASME 2024 Fluids Engineering Division Summer Meeting and the ASME 2024 18th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/ht2024-130699.

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Abstract Hydrogen is an element that can be stored via phase change through compression or liquification by varying temperature and pressure, or through physical or chemical bonding. This study provides a closed-form transient temperature model of a spherical liquid hydrogen storage tank heated over time with validation provided by a numerical model. The analytical temperature model couples the lumped capacitance approach with the transient heat equation, and the analytical thermal diffusivity model for the hollow glass bubble (HGB) insulation uses a combination of the effective medium theory

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