PURPOSE: To constitute the method so that heat resistance of a package is varied as applied power increases, and an analysis can be executed by a numerical analyzing method by considering temperature dependency of a heat transfer coefficient.ARAKI YUTAKA新木 豊...
I want to extract the convective heat transfer coefficient (CHTC) and I am facing some issues. This is my setup: - Geometry : searchableRotatedBox (named panel) - Solver : buoyantBoussinesqSimpleFoam - Meshing : SnappyHexMesh (with layers and refinement regions) - flui...
I am trying to regenerate the study presented in the below link for calculating heat transfer coefficient for flat plate, however in my study I have replaced the flat plate with cylinder. The external fluid is water in my case. I am trying to comapre the temperature results obtained using N...
However finding of these parameters is not the ultimate objective of preliminary design. They are used to determine the required pressure differential and the coefficient of internal heat transfer for the given type of material. We consider this question for a specific example. 展开 年份: 1984 ...
Method for calculating synthetical surface heat transfer coefficient of steel rail in spraying processThe invention relates to a method for calculating a synthetical surface heat transfer coefficient of a steel rail in a spraying process, belonging to the field of the design of metal thermal ...
The variable m inequation (4)is calculated usingequation (5), where h is the combined heat transfer coefficient from the surface of the device, P is the perimeter of fin, Acis the cross-sectional area of the fin, and keffis the effective in-plane thermal conductivity of the device. ...
Homework Statement Given the two domains pictured below, calculate the heat transfer rate (Q [W]) for each case...
To check whether the heat transfer lumped model is acceptable, it is necessary to evaluate the Biot number: Bi = (h* V/A)/k Where: h = convective heat transfer coefficient V = volume of the mass to be cooled A = surface of the mass to be cooled k = thermal conductivity of the ma...
For air-cooled heat exchangers of air-conditioners, it has become necessary to improve heat transfer coefficient in tubes in order to balance the other improvements, i.e. higher air-side heat transfer area. In the mean time the increase ... M Ito,H Kimura - 《Bulletin of Jsme》 被引量...
Calculation of Coach Body Heat Transfer Coefficient for the High-Speed Railway Train in China It can keep a comfort passenger environment and decrease demand for the cooling load of air-conditioning system. The determination of coach body heat ... S Shi,HX Gao,M Li,... - 《Advanced Material...