The Solution of Backward Heat Conduction Problem with Piecewise Linear Heat Transfer Coefficient [PDF]
Mathematics, 2019 In the fields of continuous casting and the roll stepped cooling, the heat transfer coefficient is piecewise linear. However, few papers discuss the solution of the backward heat conduction problem in this situation.
Yang Yu +3 more
doaj +2 more sources
Experimental Determination of the Heat Transfer Coefficient of Real Cooled Geometry Using Linear Regression Method [PDF]
Energies, 2020 The scope of this work was to develop a technique based on the regression method and apply it on a real cooled geometry for measuring its internal heat transfer distribution. The proposed methodology is based upon an already available literature approach.
Asif Ali +3 more
doaj +2 more sources
Modeling of a solar air collector heat transfer coefficient with regression algorithms
Firat University Journal of Experimental and Computational Engineering, 2022 Solar air collectors (SAC) are thermodynamic systems that convert solar energy into useful fluid energy. SACs are very common in heating, cooling, food drying, and many other low-temperature applications.
Mehmet Daş, Ebru Kavak Akpınar
doaj +1 more source
Effect of Mainstream Velocity on the Heat Transfer Coefficient of Gas Turbine Blade Tips
Energies, 2021 This study experimentally investigated the effects of cascade inlet velocity on the distribution and the level of the heat transfer coefficient on a gas turbine blade tip.
Jin Young Jeong +4 more
doaj +1 more source
Analysis of the Heat Transfer in Electronic Radiator Filled with Metal Foam
Energies, 2023 The performance of an electronic radiator filled with metal foam with a porosity of 96% was studied. The effect of the factors including the flow rates, the pores per linear inch (PPI) and the numbers of fins was analyzed.
Xiaofang Shan +5 more
doaj +1 more source
MHD flow and conductive heat transfer on a permeable stretching cylinder: Benchmark solutions
Case Studies in Thermal Engineering, 2023 Research is conducted on parametric heat transfer and fluid flow solutions under the influencing factors of the porous stretching cylinder, magnetic field, curvature, permeable media, radiation, Joule heating, viscous dissipation, and heat generation ...
Sina Sadighi +3 more
doaj +1 more source
Prediction model of interfacial heat transfer coefficient changing with time and ingot diameter
High Temperature Materials and Processes, 2022 We established and simulated finite element solidification models of ingots with 180, 380, 800, 1,300, and 1,880 mm diameters, and the solidification process temperature distributions for the five ingot sizes were assessed by Fluent.
Li Yihong, Zhao Yukun, Chen Huiqin
doaj +1 more source
Energies, 2022 This study presents an extensive evaluation of heat transfer characteristics, flow patterns, and pressure drop for saturation pressures ranging from 460–660 kPa in a horizontal smooth tube of 5 mm internal diameter using R134a as the working fluid.
Ernest Gyan Bediako +2 more
doaj +1 more source
Influence of circumferential solar heat flux distribution on the heat transfer coefficients of linear Fresnel collector absorber tubes [PDF]
Solar Energy, 2014 Abstract The absorber tubes of solar thermal collectors have enormous influence on the performance of the solar collector systems. In this numerical study, the influence of circumferential uniform and non-uniform solar heat flux distributions on the internal and overall heat transfer coefficients of the absorber tubes of a linear Fresnel solar ...
Okafor, Izuchukwu F. +2 more
openaire +2 more sources
Dynamic mathematical heat transfer model for two-phase flow in solar collectors
Case Studies in Thermal Engineering, 2022 In the present study, a dynamic heat transfer model is developed for two-phase flow through the absorber tube of linear solar collectors, where the heat transfer fluid is water.
Heriberto Sánchez-Mora +4 more
doaj +1 more source