Investigation of heat exchanger inclination in forced-draught air-cooled heat exchangers

Ian J. Kennedy, Stephen W. T. Spence, Gordon R. Spratt, Juliana M. Early

Research output: Contribution to journalArticlepeer-review

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The purpose of this study is to determine the influence of inclining the heat exchanger relative to the fan in a forced draught air-cooled heat exchanger. Since inclination increases plenum depth, the effect of inclination is also compared with increasing plenum depth without inclination. The experimental study shows that inclination improves thermal performance by only 0.5%, when compared with a baseline non-inclined case with a shallow plenum. Similarly, increasing plenum depth without inclination has a thermal performance benefit of approximately 1%. The numerical study shows that, as the heat exchanger is inclined, the low velocity core at the centre of the heat exchanger moves to one side.
Original languageEnglish
Pages (from-to)413-421
Number of pages9
JournalApplied Thermal Engineering
Issue number2
Publication statusPublished - 30 May 2013


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