A numerically-based parametric study of heat transfer off an inclined surface subject to impinging airflow.
Author(s) : RASIPURAM S. C., NASR K. J.
Type of article: Article
Summary
Impinging jets may be used to achieve enhanced local heat transfer for convective heating, cooling, or drying. The issuing jet may contact the surface normally or obliquely. Factors such as jet attachment, surface angle, jet angle and size, separation distance between jet orifice and surface of impingement, and trajectory influence heat transfer dramatically. The study addressed the thermal problem of jet impingement on an inclined surface and was motivated by the practical application of air jets issuing out of a defroster's nozzles and impinging on the inclined windshield surface of a vehicle. The effects of incoming fluid velocity, openings' geometry (circular vs. rectangular), number of openings, angle that the inclined surface makes with the horizontal plane and angle of impinging jet on heat transfer are examined. Fluid mechanics and heat transfer characteristics are exhibited in details for a configuration with three rectangular openings. A comparative study for other configurations is also featured. The results were correlated in terms of governing dimensionless parameters through numerically-based correlations that are useful for predicting heat transfer on an inclined surface subject to impinging airflow.
Details
- Original title: A numerically-based parametric study of heat transfer off an inclined surface subject to impinging airflow.
- Record ID : 2005-1147
- Languages: English
- Source: International Journal of Heat and Mass Transfer - vol. 47 - n. 23
- Publication date: 2004/11
Links
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Indexing
- Themes: Mass transfer
- Keywords: Jet; Heat transfer coefficient; Calculation; Heat transfer; Research; Air; Inclined surface
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An experimental and numerical study of heat tra...
- Author(s) : ROY S., NASR K., PATEL P., et al.
- Date : 2002/04
- Languages : English
- Source: International Journal of Heat and Mass Transfer - vol. 45 - n. 8
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Study of heat transfer for a pair of rectangula...
- Author(s) : ROY S., PATEL P.
- Date : 2003/01
- Languages : English
- Source: International Journal of Heat and Mass Transfer - vol. 46 - n. 3
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Heat transfer augmentation for air jet impinged...
- Author(s) : CHAKROUN W. M., ABDEL-RAHMAN A. A., FAHED S. F. al-
- Date : 1998/12
- Languages : English
- Source: Applied Thermal Engineering - vol. 18 - n. 12
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Measurements of laminar mixed convection flow a...
- Author(s) : ABU-MULAWEH H. I.
- Date : 2003/01
- Languages : English
- Source: International Journal of thermal Sciences - vol. 42 - n. 1
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Local heat transfer and recovery factor with im...
- Author(s) : MA C. F., ZHENG Q.
- Date : 1997/11
- Languages : English
- Source: International Journal of Heat and Mass Transfer - vol. 40 - n. 18
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