May 2007

Heat Transfer

Improve heat exchanger design

Using simulation improves impingement device application in exchangers

Farrell, K. J., Heat Transfer Research, Inc.; Haidari, A. H., ANSYS

Hydrocarbon processing facilities rely heavily on heat transfer operations to manufacture most products. Thus, heat exchangers, in various sizes and designs, are found throughout processing complexes. Heat exchangers are major equipment items; consequently, much effort is devoted to maintain their reliability and promote long service cycles between cleanings. To enhance the performance and efficiency of heat exchangers, designers make inlet flow modifications. Impingement plates are often used to provide erosion protection for exchangers. Unfortunately, impingement plates can also create vibration problems. This case history discusses applying computational fluid dynamics (CFD) methods to

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