Numerical Heat Transfer Prediction for Laminar Flow in a Circular Pipe with a 90° Bend: Fid-Bau Portal

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Numerical Heat Transfer Prediction for Laminar Flow in a Circular Pipe with a 90° Bend

Patro, Pandaba / Rout, Ani / Barik, Ashok

Abstract Laminar air flow in a 90° bend has been studied numerically to investigate convective heat transfer, which is of practical relevance to electronic systems and refrigeration piping layout. CFD simulations are performed for Reynolds number in the range 200 to 1000 at different bend radius ratios (5, 10 and 20). The heat transfer characteristics are found to be enhanced in the curved pipe compared to a straight pipe, which are subjected to the same flow rate. The curvature and buoyancy effectively increase heat transfer in viscous laminar flows. The correlation between the flow structure and the heat transfer is found to be strong.

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Numerical Heat Transfer Prediction for Laminar Flow in a Circular Pipe with a 90° Bend

Patro, Pandaba / Rout, Ani / Barik, Ashok

Abstract Laminar air flow in a 90° bend has been studied numerically to investigate convective heat transfer, which is of practical relevance to electronic systems and refrigeration piping layout. CFD simulations are performed for Reynolds number in the range 200 to 1000 at different bend radius ratios (5, 10 and 20). The heat transfer characteristics are found to be enhanced in the curved pipe compared to a straight pipe, which are subjected to the same flow rate. The curvature and buoyancy effectively increase heat transfer in viscous laminar flows. The correlation between the flow structure and the heat transfer is found to be strong.

Numerical Heat Transfer Prediction for Laminar Flow in a Circular Pipe with a 90° Bend

Patro, Pandaba / Rout, Ani / Barik, Ashok

Abstract Laminar air flow in a 90° bend has been studied numerically to investigate convective heat transfer, which is of practical relevance to electronic systems and refrigeration piping layout. CFD simulations are performed for Reynolds number in the range 200 to 1000 at different bend radius ratios (5, 10 and 20). The heat transfer characteristics are found to be enhanced in the curved pipe compared to a straight pipe, which are subjected to the same flow rate. The curvature and buoyancy effectively increase heat transfer in viscous laminar flows. The correlation between the flow structure and the heat transfer is found to be strong.

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Title:

Numerical Heat Transfer Prediction for Laminar Flow in a Circular Pipe with a 90° Bend

Contributors:

Patro, Pandaba (author) / Rout, Ani (author) / Barik, Ashok (author)

Published in:

Journal of The Institution of Engineers (India): Series C ; 99 ; 323-327

Publication date:

2017-05-06

Size:

5 pages

ISSN:

2250-0553 , 2250-0545

DOI:

https://doi.org/10.1007/s40032-017-0357-y

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Laminar flow , 90° bends , Heat transfer , Nusselt number Engineering , Aerospace Technology and Astronautics , Mechanical Engineering , Industrial and Production Engineering

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