Mathematical Principles of Heat Transfer 传热的数学原理 ; 热传导的数学原理
In this paper, heating power and stable heat conduction quality of the resistance-heat sealing machine were studied according to principles of heat transfer.
用热工基本原理，详细地叙述了电阻加热式封口器的加热功率及稳定导热量计算。
Secondly, it is introduced that the basic principles of heat transfer and the numerical solution of Compacted Model of PCB and effective thermal conductivity of PCB calculation.
其次，介绍了传热学的基本原理、PCB简化模型的数值求解和PCB的有效导热系数的计算。
In the model, heat transfer of hot metal in a torpedo car is studied according to principles of heat balance.
在模型中，采用了等效原理处理铁水罐车的传热过程。
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