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本文对纵流壳程换热器的流体力学和传热机理分别进行了理论探讨和实验研究，并编制了相应的计算机程序。研究结果表明，纵流壳程换热器较折流板换热器具有优异的流体力学和传热性能。
In this paper, theoretical and experimental studies on the fluid mechanics and heat transfer mechanism of longitudinal shell-and-shell heat exchangers are carried out respectively. Corresponding computer programs are also prepared. The results show that the longitudinal flow shell-side heat exchanger has better hydrodynamics and heat transfer performance than the baffle heat exchanger.