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The Effect of Fouling on the Performance of Finned Tube Heat Exchanger
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English
Abstract
This paper presents an investigation of the effect of fouling by considering a tube and plate fin geometry for which performance characteristics are well defined.
By matching a particular heat exchanger to a given fan it can be shown that the air-side heat transfer coefficient increases as the air-side passages become progressively blocked, reaching a maximum close to the fully blocked condition.
For moderate fouling this increase largely compensates for the change in mean temperature difference brought about by the variation in air flow rate, giving an overall performance very close to that for the clean condition.
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Citation
Sherwin, K., "The Effect of Fouling on the Performance of Finned Tube Heat Exchanger," SAE Technical Paper 971806, 1997, https://doi.org/10.4271/971806.Also In
References
- Barrow H A note on frosting of heat pump evaporation surfaces Journal of Heat Recovery Systems 5 195 201 1985
- Sherwin K Barrow H Effect of fouling on finned tube matrix performance I Chem E. Symposium University of Nottingham 1991
- Barrow H Sherwin K ‘Theoretical investigation of the effect of fouling on the performance of a tube and plate fin heat exchanger’ Heat Recovery Systems and CHP 14 1 1 5 1994
- Edwards F J Henry T A Haywood G L The characteristics of the tube and continuous plate fin type of heat exchanger A Conference in Recent Developments in Compact High Duty Heat Exchangers I Mech E, paper C122/72 53 61 1972