It is indicated that to every heat transfer flux there is an optimum channel interval and partical-size range of porous layer.
研究表明，对在同一热流下存在一个最佳通道间隙及粉末粒度范围。
A governing valve is the instrument for changing flow resistance and heat transfer flux of hot water, controlling pressure and temperature of heating system.
在热水供暖系统中，调节阀是改变热媒流动阻力、传热量变化及控制系统的调节装置。调节阀的选型、使用涉及多方面知识。
The experimental results show that in the pool nucleate boiling process the "effect of interfacial vaporization heat sink" obviously increases with the heat transfer flux.
实验结果表明，沸腾时，“界面汽化热阱”效应随热流率的提高而显著增大。
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