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

doi:10.1016/j.applthermaleng.2013.02.013

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 journal › Article › peer-review

7 Citations (Scopus)

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Abstract

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 language	English
Pages (from-to)	413-421
Number of pages	9
Journal	Applied Thermal Engineering
Volume	54
Issue number	2
DOIs	https://doi.org/10.1016/j.applthermaleng.2013.02.013
Publication status	Published - 30 May 2013

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10.1016/j.applthermaleng.2013.02.013

Investigation of heat exchanger inclination in forced-draught air-cooled heat exchangers
This is the author’s version of a work that was accepted for publication in Applied Thermal Engineering. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Thermal Engineering, [VOL 54, ISSUE 2, (2013)]
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AU - Spence, Stephen W. T.

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N2 - 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.

AB - 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.

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JO - Applied Thermal Engineering

JF - Applied Thermal Engineering

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

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