Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.
综合传热系数和系统内气体流动阻力损失是评价换热器性能的重要指标。
The model was made up of inner steam temperature drop equations, the steam pipe laying different ways of unit length heat loss equations, total heat resistance calculation equations.
模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热热阻计算方程组成。
The invention cheaply provides magnetic powder with a heat-resistant insulation film, and a compressed powder formed body with high specific resistance and small iron loss and the like.
本发明低价地提供具有耐热性的绝缘膜的磁性粉以及比电阻高、铁损等小的压粉磁芯的压粉成形体。
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