Experimental investigation on thermo-hydraulic performance of triangular cross-corrugated flow passages

Easwaran N. Krishnan; Hadi Ramin; A. Guruabalan; Carey J. Simonson

doi:10.1016/j.icheatmasstransfer.2021.105160

Experimental investigation on thermo-hydraulic performance of triangular cross-corrugated flow passages

Easwaran N. Krishnan
, Hadi Ramin
, A. Guruabalan
, Carey J. Simonson

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Heat exchangers made of corrugated flow passages generally have better thermo-hydraulic performance compared to parallel flow passages. The corrugation angle (β), corrugation pattern, and the ratio of depth to pitch (h_ch/P_ch) are critical geometrical parameters influencing the heat transfer and pressure drop in corrugated flow passages. This paper experimentally investigates heat transfer and pressure drop characteristics of triangular-shaped cross-corrugated flow passages for the range of 25° < β < 75° and 0.13 < h_ch/P_ch < 0.36. Experiments are performed using representative compact heat exchangers in a small-scale test facility. This study also reports the effects of plate geometry on heat transfer and pressure drop and provides correlations for the average Nusselt number and friction factor. A detailed comparison of test data with relevant literature is also presented. Results of this study will be useful to manufactures and designers for developing high-performance heat exchangers.

Original language	English
Article number	105160
Journal	International Communications in Heat and Mass Transfer
Volume	122
DOIs	https://doi.org/10.1016/j.icheatmasstransfer.2021.105160
State	Published - Mar 2021
Externally published	Yes

Funding

Financial support from the College of Engineering and Postdoctoral Studies of the University of Saskatchewan, National Science and Engineering Research Council (NSERC) , Canada, Tempeff North America Inc ., Winnipeg, Canada (Project No: 533225-18 ) are gratefully acknowledged. The support provided by Dr. Mohsen Shakouri (Canadian Light Source Inc.), Dr. Melanie Fauchoux, Mr. Hayden Reitenbach, and Mr. Shawn Reinink (Department of Mechanical Engineering, University of Saskatchewan) is also greatly appreciated. Financial support from the College of Engineering and Postdoctoral Studies of the University of Saskatchewan, National Science and Engineering Research Council (NSERC), Canada, Tempeff North America Inc. Winnipeg, Canada (Project No: 533225-18) are gratefully acknowledged. The support provided by Dr. Mohsen Shakouri (Canadian Light Source Inc.), Dr. Melanie Fauchoux, Mr. Hayden Reitenbach, and Mr. Shawn Reinink (Department of Mechanical Engineering, University of Saskatchewan) is also greatly appreciated.

Keywords

Corrugated passages
Friction factor
Heat exchangers
Nusselt number
Pressure drop

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10.1016/j.icheatmasstransfer.2021.105160

Cite this

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title = "Experimental investigation on thermo-hydraulic performance of triangular cross-corrugated flow passages",

abstract = "Heat exchangers made of corrugated flow passages generally have better thermo-hydraulic performance compared to parallel flow passages. The corrugation angle (β), corrugation pattern, and the ratio of depth to pitch (hch/Pch) are critical geometrical parameters influencing the heat transfer and pressure drop in corrugated flow passages. This paper experimentally investigates heat transfer and pressure drop characteristics of triangular-shaped cross-corrugated flow passages for the range of 25° < β < 75° and 0.13 < hch/Pch < 0.36. Experiments are performed using representative compact heat exchangers in a small-scale test facility. This study also reports the effects of plate geometry on heat transfer and pressure drop and provides correlations for the average Nusselt number and friction factor. A detailed comparison of test data with relevant literature is also presented. Results of this study will be useful to manufactures and designers for developing high-performance heat exchangers.",

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AU - Krishnan, Easwaran N.

AU - Ramin, Hadi

AU - Guruabalan, A.

AU - Simonson, Carey J.

PY - 2021/3

Y1 - 2021/3

N2 - Heat exchangers made of corrugated flow passages generally have better thermo-hydraulic performance compared to parallel flow passages. The corrugation angle (β), corrugation pattern, and the ratio of depth to pitch (hch/Pch) are critical geometrical parameters influencing the heat transfer and pressure drop in corrugated flow passages. This paper experimentally investigates heat transfer and pressure drop characteristics of triangular-shaped cross-corrugated flow passages for the range of 25° < β < 75° and 0.13 < hch/Pch < 0.36. Experiments are performed using representative compact heat exchangers in a small-scale test facility. This study also reports the effects of plate geometry on heat transfer and pressure drop and provides correlations for the average Nusselt number and friction factor. A detailed comparison of test data with relevant literature is also presented. Results of this study will be useful to manufactures and designers for developing high-performance heat exchangers.

AB - Heat exchangers made of corrugated flow passages generally have better thermo-hydraulic performance compared to parallel flow passages. The corrugation angle (β), corrugation pattern, and the ratio of depth to pitch (hch/Pch) are critical geometrical parameters influencing the heat transfer and pressure drop in corrugated flow passages. This paper experimentally investigates heat transfer and pressure drop characteristics of triangular-shaped cross-corrugated flow passages for the range of 25° < β < 75° and 0.13 < hch/Pch < 0.36. Experiments are performed using representative compact heat exchangers in a small-scale test facility. This study also reports the effects of plate geometry on heat transfer and pressure drop and provides correlations for the average Nusselt number and friction factor. A detailed comparison of test data with relevant literature is also presented. Results of this study will be useful to manufactures and designers for developing high-performance heat exchangers.

KW - Corrugated passages

KW - Friction factor

KW - Heat exchangers

KW - Nusselt number

KW - Pressure drop

UR - https://www.scopus.com/pages/publications/85100425559

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DO - 10.1016/j.icheatmasstransfer.2021.105160

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VL - 122

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JF - International Communications in Heat and Mass Transfer

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ER -

Experimental investigation on thermo-hydraulic performance of triangular cross-corrugated flow passages

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Keywords

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