The equipment cooling water heat exchanger is an important device in the component cooling water system. In this paper, the Bell-Delaware method was applied to achieve a preliminary design of equipment cooling water heat exchanger and a very mature design software HTRI6.0 was used to check the results. On the basis of HTRI6.0 results, the relative error of the total heat transfer coefficient and the total heat transfer area were 1.35% and 0.2%, respectively. The effective length of the heat exchanger tube and the number of the baffle plates are consistent. The design result of the Bell-Delaware method meets the actual heat transfer requirements and the heat exchanger design satisfies the requirements of vibration.

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