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Journal articles on the topic 'Thermal field modeling'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Liu, Xue-Ming, Han-Yi Zhang, Yi-Li Guo, Xiao-Ping Zheng, and Yan-He Li. "Modeling of Thermal/Electric-Field Poling." Japanese Journal of Applied Physics 40, Part 2, No. 8A (2001): L807—L809. http://dx.doi.org/10.1143/jjap.40.l807.

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2

Jaffe, T. R. "Multiwavelength Magnetic Field Modeling." Proceedings of the International Astronomical Union 10, H16 (2012): 401. http://dx.doi.org/10.1017/s1743921314011703.

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AbstractWe model the large-scale Galactic magnetic fields, including a spiral arm compression to generate anisotropic turbulence, by comparing polarized synchrotron and thermal dust emission. Preliminary results show that in the outer Galaxy, the dust emission comes from regions where the fields are more ordered than average while the situation is reversed in the inner Galaxy. We will attempt in subsequent work to present a more complete picture of what the comparison of these observables tells us about the distribution of the components of the magnetized ISM and about the physics of spiral ar

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3

STETSIUK, V., and M. VLASUK. "SIMULATION OF THERMAL PROCESSES OF ELECTRICAL MACHINES." Herald of Khmelnytskyi National University. Technical sciences 291, no. 6 (2020): 141–45. https://doi.org/10.31891/2307-5732-2020-291-6-141-145.

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The paper presents a method of analysis of thermal fields of electric machines, built on the basis of solutions of the equations of thermal conductivity and volume distribution of heat fluxes. Since energy losses are released inside the structural elements of the engine, its temperature field is a field with internal heat sources, and the thermal conductivity equation that describes this field is inhomogeneous. The derivation of the differential equation of thermal conductivity is based on the law of conservation of energy. It is shown that temperature analysis can be a universal indicator of

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4

Yushchenko, N. L. "CURRENT STATE OF DEVELOPMENT IN THE FIELD OF ECONOMIC AND MATHEMATICAL MODELING OF THERMAL POWER." SCIENTIFIC BULLETIN OF POLISSIA 2, no. 1(9) (2017): 24–31. http://dx.doi.org/10.25140/2410-9576-2017-2-1(9)-24-31.

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5

Ancona, M. G. "Modeling of thermal effects in silicon field emitters." Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 14, no. 3 (1996): 1918. http://dx.doi.org/10.1116/1.588955.

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6

Huang, Guang Yu, and Cher Ming Tan. "Device level electrical-thermal-stress coupled-field modeling." Microelectronics Reliability 46, no. 9-11 (2006): 1823–27. http://dx.doi.org/10.1016/j.microrel.2006.07.076.

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7

Rodriguez, Salvador Valtierra, Michael Greenwood, Delin Li, et al. "Phase-field modeling of austenitic steels used in turbines." IOP Conference Series: Materials Science and Engineering 1281, no. 1 (2023): 012047. http://dx.doi.org/10.1088/1757-899x/1281/1/012047.

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Abstract The performance in hydro-electric turbine casting and repair requires understanding of how process parameters and chemistry selection affect solidification microstructures. The aim of this study is to provide a quantitative phase-field formulation for process-microstructure relationships that seeks to model stainless steels. We have developed a phase-field model to simulate austenitic stainless steel solidification under experimental thermal histories. To this end we look at a pseudo-binary approximations for numerical efficiency. The pseudo-binary formulation is underpinned by the al

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8

Litvinov, D. O., O. O. Shlyanin, Т. V. Bondarchuk, O. V. Stremydlovska, and Riham Matar. "SCHEME-FIELD MODELING OF THERMAL PROCESSES IN INDUCTION MOTORS." Electrical Engineering and Power Engineering, no. 1 (July 14, 2017): 71–78. http://dx.doi.org/10.15588/1607-6761-2017-1-9.

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9

Tarnawski, V. R., T. Momose, M. L. McCombie, and W. H. Leong. "Canadian Field Soils III. Thermal-Conductivity Data and Modeling." International Journal of Thermophysics 36, no. 1 (2014): 119–56. http://dx.doi.org/10.1007/s10765-014-1793-z.

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10

Gilbert, K. M., W. B. Handler, and B. A. Chronik. "Thermal modeling of resistive magnets for field-cycled MRI." Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering 26B, no. 1 (2005): 56–66. http://dx.doi.org/10.1002/cmr.b.20035.

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11

Kruchek, Viktor, and Pavel Dvorkin. "Modeling the Processes of Thermal Diagnostics of Diesel Locomotive Rectifier." Proceedings of Petersburg Transport University 20, no. 1 (2023): 52–59. http://dx.doi.org/10.20295/1815-588x-2023-1-52-59.

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Purpose: To analyze the possibility of determining locomotive rectifier unit malfunction with the help of thermal fields and diode temperature measurement. Methods: There were applied the analysis of rectifier unit faults and their components for a certain period, modeling and thermal calculation in Solid Works Software Package. Results: The picture of thermal field and temperature changes at the diagnosis of regularly running diesel rectifier unit as well as at diode faults such as a breakdown and break. Practical significance: The possibility of monitoring the technical condition of a diesel

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12

Herreinstein, A. V., E. A. Herreinstein, and N. Mashrabov. "Modeling a Rotating Circle Thermal Field with a Thermal Source on the Edge." Procedia Engineering 129 (2015): 317–20. http://dx.doi.org/10.1016/j.proeng.2015.12.068.

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13

Liu, Hong, Jin Guo Li, and Yong Tian Wang. "Fast Computing Model for Thermal Field of Auto Lamp." Key Engineering Materials 364-366 (December 2007): 783–88. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.783.

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Thermal field analysis for automotive lamps is a complicated thermodynamics problem. According to the features of structure and lighting process of automotive lamps, a simple and convenient model is put forward here for analyzing their thermal field. Under certain assumptions, it simplifies the complicated geometrical structure to the relative simple cavities and only considers the influence of thermal conduction and thermal radiation as main forms of heat transfer for thermal field of the lamps. The consistency of numerical analysis and actual test demonstrates that this modeling method calcu

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14

Sfetsos, H., J. Angelis, and C. Doumanidis. "Scanned Orbital Welding: Thermal Modeling and Lumped Adaptive Control." Journal of Pressure Vessel Technology 121, no. 4 (1999): 393–99. http://dx.doi.org/10.1115/1.2883721.

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Scan orbital welding of cylindrical vessel, flange, and piping parts is performed by their rapid revolution under a radially or axially translated heat source, with its power modulated so as to implement a specified thermal distribution. Thus, the plasma-arc welding torch sweeps the stainless steel surface to generate a desirable temperature field and the concomitant material features. A numerical simulation of the thermal field is developed for off-line analysis. On this basis, a lumped thermal regulator of the heat-affected zone, employing infrared temperature feedback at a single spot, as w

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15

Carpenter, Chris. "Poromechanics Modeling Forecasts Production, Analyzes Productivity Decline." Journal of Petroleum Technology 76, no. 04 (2024): 100–102. http://dx.doi.org/10.2118/0424-0100-jpt.

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_ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 212200, “Accurate Production Forecasting and Productivity Decline Analysis Using Coupled Full-Field and Near-Wellbore Poromechanics Modeling,” by Yan Li, Bin Wang, and Jiehao Wang, Chevron, et al. The paper has not been peer reviewed. _ Productivity index (PI) decline is caused by different mechanisms in both the wellbore region and the far field. Damage in the wellbore region can be simulated by detailed wellbore modeling. A newly developed full-field and near-wellbore poromechanics coupling sch

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16

Popa, Ioan, and Alin-Iulian Dolan. "Numerical modeling of DC busbar contacts." Facta universitatis - series: Electronics and Energetics 24, no. 2 (2011): 209–19. http://dx.doi.org/10.2298/fuee1102209p.

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The paper presents two electro-thermal numerical models which can be used for the modeling and optimization of high currents busbar contacts for DC. The models are obtained by coupling of the electric model with the thermal field problem. The coupling is carried out by the source term of the differential equation which describes the thermal field. The models allows the calculation of the space distribution of the electric quantities (electric potential, the gradient of potential and the current density) and of the thermal quantities (the temperature, the temperature gradient, the Joule losses

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17

Barański, Mariusz, and Krystian Glapa. "3D thermal field modelling in electromagnetic gripping system." ITM Web of Conferences 28 (2019): 01012. http://dx.doi.org/10.1051/itmconf/20192801012.

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In this paper, 3D steady-state thermal field modeling in electromagnetic gripping system using Comsol Multiphisics was presented. The electromagnetic gripping system, which is a component of the mechanical leg of a walking robot was designed by the authors. An algorithm to design of the electromagnetic gripping was developed. During calculations, the influence of the value of the current on the thermal field distribution in steady-state was carried out. Selected results of simulations as well as the analysis of these results were presented.

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18

S., S. Belimenko, O. Ishchenko V., and O. Gabrinets V. "MODELING OF TEMPERATURE FIELDS IN A SOLID HEAT ACCUMULLATORS." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 5(65) (October 25, 2016): 114–24. https://doi.org/10.15802/stp2016/83406.

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<strong>Purpose</strong>. Currently, one of the priorities of energy conservation is a cost savings for heating in commercial and residential buildings by the stored thermal energy during the night and its return in the daytime. Economic effect is achieved due to the difference in tariffs for the cost of electricity in the daytime and at night. One of the most common types of devices that allow accumulating and giving the resulting heat are solid heat accumulators. The main purpose of the work: 1) software development for the calculation of the temperature field of a flat solid heat accumulato

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19

Lu, Dawei, Ananda Das, and Wounjhang Park. "Direct modeling of near field thermal radiation in a metamaterial." Optics Express 25, no. 11 (2017): 12999. http://dx.doi.org/10.1364/oe.25.012999.

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20

Kiryukhin, Alexey, Tianfu Xu, Karsten Pruess, John Apps, and Igor Slovtsov. "Thermal–hydrodynamic–chemical (THC) modeling based on geothermal field data." Geothermics 33, no. 3 (2004): 349–81. http://dx.doi.org/10.1016/j.geothermics.2003.09.005.

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21

Jedrasiak, P., H. R. Shercliff, Y. C. Chen, L. Wang, P. Prangnell, and J. Robson. "Modeling of the Thermal Field in Dissimilar Alloy Ultrasonic Welding." Journal of Materials Engineering and Performance 24, no. 2 (2014): 799–807. http://dx.doi.org/10.1007/s11665-014-1342-8.

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22

Swift, G., T. S. Molinski, R. Bray, and R. Menzies. "A fundamental approach to transformer thermal modeling. II. Field verification." IEEE Transactions on Power Delivery 16, no. 2 (2001): 176–80. http://dx.doi.org/10.1109/61.915479.

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23

Vajpayee, Srajan, Tanmay Rawat, and Vandan Bhalala. "Mathematical modeling of thermal enhanced oil recovery method." i-manager's Journal on Mechanical Engineering 13, no. 1 (2023): 9. http://dx.doi.org/10.26634/jme.13.1.19019.

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The demand for petroleum is increasing steadily, with the International Energy Agency (IEA) projecting that the world's petroleum expenditure will rise from 3564 Million Tonnes of Oil Equivalent (MTOE) in 2007 to as much as 5471 MTOE in 2015 and 6301 MTOE in 2030. More than two-thirds of the oil discovered around the world remains unrecovered; 40–70% of the original oil is still left in place after using conventional production techniques, namely, primary and secondary recovery techniques. This paper is based on the use of the Thermal Enhanced Oil Recovery (TEOR) method in a Sudanese oil field

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24

Wan, Wan, and Pinlei Chen. "A Fully Coupled Thermomechanical Phase Field Method for Modeling Cracks with Frictional Contact." Mathematics 10, no. 23 (2022): 4416. http://dx.doi.org/10.3390/math10234416.

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In this paper, a thermomechanical coupled phase field method is developed to model cracks with frictional contact. Compared to discrete methods, the phase field method can represent arbitrary crack geometry without an explicit representation of the crack surface. The two distinguishable features of the proposed phase field method are: (1) for the mechanical phase, no specific algorithm is needed for imposing contact constraints on the fracture surfaces; (2) for the thermal phase, formulations are proposed for incorporating the phase field damage parameter so that different thermal conductance

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25

Drahoš, Peter, Vladimír Kutiš, and Róbert Lenický. "Thermocouple Sensor Influence on Temperature Field in SMA Actuator." Applied Mechanics and Materials 394 (September 2013): 50–56. http://dx.doi.org/10.4028/www.scientific.net/amm.394.50.

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The paper deals with thermal analysis, modeling and simulation of the Shape Memory Alloy (SMA) actuator with temperature sensor. Because the capabilities of analytical description of SMA system are limited, numerical simulations of model have to be performed. Two different numerical models are investigated - lumped and continuous model. Simple parametric lumped model of actuator thermal field is developed in order to describe thermal field at the measuring point. The characteristic parameters of the lumped model are set up according to continuous coupled electric-thermal model made in ANSYS FE

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26

Han, Jian, Li Ping Wang, and Lian Qing Yu. "Modeling and Estimating Thermal Error in Precision Machine Spindles." Applied Mechanics and Materials 34-35 (October 2010): 507–11. http://dx.doi.org/10.4028/www.scientific.net/amm.34-35.507.

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Thermal induced errors are significant factors that affect machine tool accuracy. The deformation of spindle is the main contributor to thermal error. In this paper, the thermal characteristics of the spindle system are investigated. Taking into account the coupling of elastic deformation and temperature, the heat conduction of the spindle system is modeled. The heat of bearings and heat transfer coefficient, and boundary conditions of the spindle are determined. Based on the numerical results, an iterative model of spindle's temperature and thermal deformation are acquired under the actions o

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27

Semen, Podoinitsyn, Terentiev Sergei, Nazirov Seiid, and Uliashev Vladislav. "Improving mining development modelling based on the thermal methods." Izvestiya vysshikh uchebnykh zavedenii. Gornyi zhurnal 5 (October 20, 2022): 88–99. http://dx.doi.org/10.21440/0536-1028-2022-5-88-99.

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Introduction. The problem of oil recovery growth and oil reserves management improvement in active oil fields is growing annually. It is possible to increase oil recovery and improve oil reserves management by introducing the thermal methods of oil production. This method was applied at the Yarega oil field. The thermal mining development technology is currently being implemented at the Yarega territory on an industrial scale. Lyael territory is developed by SAGD technology. Heat capacity and thermal conductivity are crucial characteristics of rocks. Reference books and databases lack reliable

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28

Gao, Tian Hong. "Modeling of Diesel Engine Piston and Finite Element Mesh." Advanced Materials Research 971-973 (June 2014): 581–83. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.581.

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according to the heat load of diesel engine piston, to set up the finite element model and the corresponding thermal boundary conditions of 3D thermal models of the diesel engine piston, Through the finite element analysis , simulating the temperature field. Through the above finite element analysis,getting the temperature field of diesel engine piston, to build a theoretical basis for the development and design of other diesel engine piston.

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29

Rahadian, Erwin Yuniar, and Agung Prabowo Sulistiawan. "The Evaluation of Thermal Comfort using a BIM-based Thermal Bridge Simulation." Journal of Architectural Research and Education 1, no. 2 (2020): 129. http://dx.doi.org/10.17509/jare.v1i2.22304.

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Global warming has become an important issue today, caused by the increasing demand for energy and humans lifestyle. To reduce the impact, more architects started to respond regarding environmental issues. The concept of green architecture promotes to solving this problem. Natural ventilation is the one of the concept green architecture. This research tends to look at the aspect of Thermal Comfort in naturally ventilated mosque buildings through the Thermal Bridges strategy. Naturally ventilated building tend to have better indoor air quality (IAQ), but worse thermal comfort. Therefore, this r

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30

Mofakhami, Darius, Benjamin Seznec, Romaric Landfried, Philippe Teste, Philippe Dessante, and Tiberiu Minea. "A fast-modeling algorithm to predict the thermo-field emission and thermal stability of field emitter arrays." Journal of Applied Physics 132, no. 24 (2022): 243302. http://dx.doi.org/10.1063/5.0116717.

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In the last decades, numerical simulation has become a precious tool to assist the design and study of electron sources based on regular arrays of field emitters. Simulations of field emitter arrays (FEAs) require 3D treatment to account for the interactions between neighbor emitters. Therefore, modeling the thermal evolution of FEAs involves high computational resources due to the multi-physics approach and time dependency. The present paper proposes an algorithm which gives a fast prediction of the self-heating of a large array of [Formula: see text] axisymmetric field emitters. It consists

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31

Albright, L. D., D. Wolfe, and S. Novak. "Modeling Row Cover Effects on Microclimate and Yield: II. Thermal Model and Simulations." Journal of the American Society for Horticultural Science 114, no. 4 (1989): 569–78. http://dx.doi.org/10.21273/jashs.114.4.569.

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Abstract An analytical model is described that predicts air and soil temperatures under row tunnels used for early season microclimate modification for field grown vegetables and fruits. The model is time dependent and based on simultaneous solutions of thermal radiation and thermal energy balances for each component of the thermal system. The model's adequacy was tested by comparing its predictions to field data. Reasonable agreement was found considering the approximations used to determine values of required thermal parameters. Sensitivity analyses are presented to demonstrate uses of the m

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32

Zhao, Feifei. "Modeling and Thermal-Mechanical Coupling Analysis of Piston in Car Engines." Annales de Chimie - Science des Matériaux 45, no. 1 (2021): 83–92. http://dx.doi.org/10.18280/acsm.450111.

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In this paper, finite-element analysis (FEA) is carried out on the temperature field and stress field of automobile engine piston, as well as the thermal-mechanical load coupling stress field. Through the analysis, the authors grasped the thermal load and combined stress distribution of the piston, and thus optimized the piston design to improve its operational reliability. Specifically, a 1/4 solid model of the piston was constructed in the three-dimensional (3D) computer-aided design (CAD) software Pro/ENGINEER, and then converted into a finite-element model in Pro/Mechanica. Then, an altern

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33

Ji, Liang Bo, and Tian Rui Zhou. "Finite Element Simulation of Temperature Field in Fused Deposition Modeling." Advanced Materials Research 97-101 (March 2010): 2585–88. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.2585.

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Taking into account temperature-dependent thermal conduction and heat capacity, based in the research on the physical property of the material of Acrylonitrile Butadiene Styrene (ABS), a three-dimensional transient thermal finite element model has been developed in Fused Deposition Modeling (FDM). The moving material of ABS by the sprayer on the mold equipment is simulated with the employment of ANSYS parametric design language (APDL) and latent heat is considered by using enthalpy. By the technique of element live and die on ANSYS software and using the nonlinear finite element method, severa

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34

Radu, Bogdan, Cosmin Codrean, Radu Cojocaru, and Cristian Ciucă. "Numerical Modeling of Thermal Field Distribution during Friction Stir Welding (FSW) of Dissimilar Materials." Solid State Phenomena 254 (August 2016): 261–66. http://dx.doi.org/10.4028/www.scientific.net/ssp.254.261.

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Friction Stir Welding (FSW) is an innovative solid state welding process, relatively new in industry, which allow welding of two or more materials which have very different properties, particularly thermal properties as fusion temperature, thermal expansion coefficient, specific heat and thermal conduction and have a predisposition to form intermetallic brittle phases, neither one of the components to be weld reach to the melting point. Being a solid state welding process temperature field is very important for the quality of the welded joint, and a lot of researches focused on this topic. Thi

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35

Yakovlev, O. Ya, and D. V. Malygin. "External thermal modeling satellite platform «Synergy»." Spacecrafts & Technologies 3, no. 3 (2019): 155–63. http://dx.doi.org/10.26732/2618-7957-2019-3-155-163.

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In order to conduct thermal research of the satellite platform «Synergy», a mathematical model has been developed for calculating external thermal loads for spacecraft of the CubeSat form factor, operating in various orientation modes in near-Earth circular orbits. When modeling thermal conditions, heat fluxes from the Sun, the earth's flux and atmospheric effects are taken into account. A feature of the model is the transition to a moving geocentric coordinate system for determining the density of heat fluxes of direct and reflected solar radiation. The study of thermal conditions in the proc

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36

Wang, Zi Jun, Zhao Xuan Zhu, and Yu Hong Ma. "Thermal Security Analysis of Lithium-Ion Batteries Based on Electro-Thermal Modeling." Advanced Materials Research 724-725 (August 2013): 804–7. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.804.

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The power lithium-ion battery with its high specific energy, high theoretical capacity and good cycle-life is a prime candidate as a power source for electric vehicles (EVs) and hybrid electric vehicles (HEVs). Sacurity is especially important for large-scale lithium-ion batteries, especially the thermal analysis is essential for their development and design. Mathematical model and thermal model for Li-ion battery were built to analyze the effects of discharge rate on the peak temperature and on the homogeneity of temperature field, and to compare the calculated and the simulated results.

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37

Li, Bin, Yadong Xie, Yanqiu Bi, Xiaoling Zou, Fafu Tian, and Zhimin Cong. "Modeling and Assessment of Temperature and Thermal Stress Field of Asphalt Pavement on the Tibetan Plateau." Buildings 14, no. 7 (2024): 2196. http://dx.doi.org/10.3390/buildings14072196.

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The Qinghai–Tibet Plateau (QTP) is the highest altitude plateau in the world, characterized by strong solar radiation and large diurnal temperature differences and so on, which brings a great negative impact on the temperature and thermal stress field of asphalt pavement. The purpose of this study is to analyze the temperature field and thermal stress status of asphalt pavement in the QTP to provide a reference for pavement design and maintenance in high-altitude areas. The finite element method was applied to establish the temperature field model to study the distribution and variation of pav

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38

Carrillo-Heian, E. M., O. A. Graeve, A. Feng, J. A. Faghih, and Z. A. Munir. "Modeling studies of the effect of thermal and electrical conductivities and relative density of field-activated self-propagating combustion synthesis." Journal of Materials Research 14, no. 5 (1999): 1949–58. http://dx.doi.org/10.1557/jmr.1999.0263.

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The role of the electrical conductivity of the product and of the thermal conductivities of the reactants on self-propagating combustion synthesis was investigated through modeling studies. Similar studies were made to investigate the role of the relative density of the reactants. The effect of an imposed electric field on the results of the modeling analysis was considered. For any given imposed field, the wave velocity exhibited a maximum at a given normalized thermal conductivity, electrical conductivity, and relative density. The results are discussed in terms of the Joule heat contributio

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39

Jiang, Shou Zhong, Zhi Yi Wang, and Jian Jun Li. "Modeling & Field Test of Dwelling with Courtyard Summer Thermal Environment." Applied Mechanics and Materials 193-194 (August 2012): 1061–64. http://dx.doi.org/10.4028/www.scientific.net/amm.193-194.1061.

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Chinese historical experience of constructing buildings merits attention. As the main and typical kind of Chinese traditional residential building, the dwelling with courtyard is “cool in summer”. However, less research on the thermal performance of dwelling with courtyard has been available in public literature. In this paper, based on the systematic analysis on various related elements, the physical and mathematical model of the air temperature distribution is set up. It is proved by the fieldwork measurement and computer simulation that the shielding effect of the aisle, side house and the

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40

Efremov, A. N., V. A. Khokhlov, S. V. Isupov, and Yu P. Zaikov. "ELECTRIC AND THERMAL FIELD MODELING IN ELECTROLYZER WITH LIQUID METAL ELECTRODES." Izvestiya Vuzov Tsvetnaya Metallurgiya (Proceedings of Higher Schools Nonferrous Metallurgy, no. 6 (January 1, 2016): 14–20. http://dx.doi.org/10.17073/0021-3438-2016-6-14-20.

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41

Almukhametova, E. M. "Recommendations on thermal non-stationary waterflooding when modeling oil field development." IOP Conference Series: Earth and Environmental Science 194 (November 15, 2018): 062002. http://dx.doi.org/10.1088/1755-1315/194/6/062002.

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42

Bayer, U., M. Scheck, and M. Koehler. "Modeling of the 3D thermal field in the northeast German basin." Geologische Rundschau 86, no. 2 (1997): 241–51. http://dx.doi.org/10.1007/s005310050137.

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43

Cui, Shiyu, Qiang Miao, Joseph P. Domblesky, Wenping Liang, and Youpeng Song. "Modeling of the temperature field in a porous thermal barrier coating." Ceramics International 45, no. 10 (2019): 12635–42. http://dx.doi.org/10.1016/j.ceramint.2019.02.166.

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44

Liutyi, Rostyslav, Ivan Petryk, Volodymyr Mogylatenko, Vasyl Popovych, and Halyna Shatska. "Research Thermal Fields in the Crystallization Process of Steel Cast Parts." Advances in Materials Science and Engineering 2022 (December 5, 2022): 1–9. http://dx.doi.org/10.1155/2022/7331866.

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In foundry production, the duration of metal crystallization of the cast part, as well as the distribution of the thermal field, are described by systems of analytical equations. There are a number of methods for modeling these processes, but their theoretical basis was formed at the end of the twentieth century, and it needs to be updated and clarified. Therefore, the aim of our work is to develop a new analytical method for researching the distribution of thermal fields in cast parts during crystallization. For the first time, on the basis of own analytical and thermophysical developments, i

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Zyablov, Dmitiy Vyacheslavovich, Sergey Valeryevich Bespalko, and Alexander Vyacheslavovich Zyablov. "Modeling of non-steady thermal field of shell for oil and gasoline tank at fire." Transport of the Urals, no. 1 (2022): 15–18. http://dx.doi.org/10.20291/1815-9400-2022-1-15-18.

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Emergency states that arise at influence of free fire on an oil and gasoline tank shell lead to thermal stress that can cause shell damage, a decrease of hardness and material strength. The paper considers a method for determination of a non-steady thermal field of the shell in a fire centre. Besides, the authors have got a thermal conductivity equation in partial derivatives and suggest a new approximation of the thermal field in the form of polynomials. The method is realized in the MathCad program complex and can be used at design of railway tanks for transportation of dangerous freights an

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Barglik, Jerzy. "Mathematical modeling of induction surface hardening." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 35, no. 4 (2016): 1403–17. http://dx.doi.org/10.1108/compel-09-2015-0323.

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Purpose – As far as the author knows the modeling of induction surface hardening is still a challenge. The purpose of this paper is to present both mathematical models of continuous and simultaneous hardening processes and exemplary results of computations and measurements. The upper critical temperature Ac3 is determined from the Time Temperature Austenization diagram for investigated steel. Design/methodology/approach – Computation of coupled electromagnetic, thermal and hardness fields is based on the finite element methods, while the hardness distribution is determined by means of experime

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Zhao, Yan Jun, Xin Jun Li, Yong Hai Wu, and Cheng Xu. "Thermal Response Analysis and FE Modeling of Weapon." Advanced Materials Research 503-504 (April 2012): 11–14. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.11.

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Thermal is a important factor that affect weapon firing accuracy and security in the process of weapon fire, so thermal analysis of weapon has important meaning . Aim at researched Weapon, the finite element model of the gun body was built, the temperature field of the gun body was calculated by FEM. The effects of temperature of the gun body on firer and aiming mechanism were also studied. Current research work will be helpful the weapon design

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Korizis, G., and C. Doumanidis. "Scan Welding: Thermal Modeling and Control of Material Processing." Journal of Manufacturing Science and Engineering 121, no. 3 (1999): 417–24. http://dx.doi.org/10.1115/1.2832697.

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This article provides a thermal analysis of scan welding, as a redesign of classical joining methods, employing computer technology to ensure the composite morphologic, material and mechanical integrity of the joint. This is obtained by real-time control of the welding temperature field by a proper dynamic heat input distribution on the weld surface. This distribution is implemented in scan welding by a single torch, sweeping the joint surface by a controlled reciprocating motion, and power adjusted by feedback of infrared temperature measurements in-process. An off-line numerical simulation o

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Kanareykin, Aleksandr. "Determination of the temperature field of a spherical arc." E3S Web of Conferences 376 (2023): 01070. http://dx.doi.org/10.1051/e3sconf/202337601070.

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The work is devoted to mathematical modeling of the plasma temperature field. To do this, it was represented as a conducting sphere under boundary conditions of the third kind. The simulation of the thermal process is based on the numerical integration of the heat equation. This takes into account the change in the thermal conductivity of the plasma and convective heat transfer. Also, based on the obtained result, an analysis of the behavior of the temperature field was carried out.

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Popov, Yury, Mikhail Spasennykh, Anuar Shakirov, et al. "Advanced Determination of Heat Flow Density on an Example of a West Russian Oil Field." Geosciences 11, no. 8 (2021): 346. http://dx.doi.org/10.3390/geosciences11080346.

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Reliable geothermal data are required for basin and petroleum system modeling. The essential shortcomings of the methods and results of previous geothermal investigations lead to a necessity to reappraise the data on the thermal properties and heat flow. A new, advanced experimental basis was used to provide reliable data on vertical variations in the thermal properties of formation and heat flow for the area surrounding a prospecting borehole drilled through an unconventional hydrocarbon reservoir of the Domanik Formation in the Orenburg region (Russia). Temperature logging was conducted 12.5

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