He was a design engineer for shell and tube heat exchangers and air-cooled heat exchangers for 23 years.
他是一个23年的设计工程师管壳式换热冷却热交换器的换热和空气。
After the air preheater system of hydrogenated reaction furnace changes into heat tube preheater, the heat efficiency of furnace increases about 3%.
加氢反应炉空气预热系统改用热管预热器后，炉子热效率提高了约3%。
The radiation between the cell tube and the air feed tube and heat transfer by convection and conduction are also included in this model.
在传热模型中，除了考虑传导和对流换热外，本文也考虑了电池和空气进气管之间的辐射换热。
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