分析了蓄热式热交换器传热和流动过程的不可逆性，提出了熵产数的概念。
The irreversibility of heat transfer and fluid flow in regenerative he at exchanger was analyzed, and the number of entropy generation units was introduced.
分析了蓄热式热交换器传热和流动过程的不可逆性，提出了熵产数的概念。
The irreversibility of heat transfer and fluid flow in regenerative he at exchanger was analyzed, and the number of entropy generation units was introduced.
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