Effect of mass transfer on flow across a staggered tube bundle

  • Aly S
  • Cunningham J
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Abstract

Over a range of Reynolds numbers from 0·6 × 105to 1·75 × 105tests were made on a seven rows deep tube bank. These tests were made using a specially instrumented porous cylinder which could be located in any position within the bank. Mass transfer through the porous surface simulating the condensation process in a surface condenser, was applied, and its effect on local parameters investigated. The distribution of static pressure and skin friction was determined around tubes in different rows in the bank. From these measurements, the pressure drag and friction drag were estimated. The total pressure drop across the bank was also measured. Results showed that, for typical steam condenser loadings, the contribution of the pressure drag to the total drag does not change appreciably with suction. However, the skin friction contribution does change considerably with suction. © 1979.

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Authors

  • S. Aly

  • J. Cunningham

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