Porous-filled helical double-pipe heat exchanger under asymmetric heat flux

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DEHGHAN MAZIAR; Tirandaz Nima; VALIPOUR MOHAMMAD SADEGH

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Journal: Modeling in Engineering Year:2018 | Volume:16 | Issue:52 Page(s): 409-418

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Information Journal Paper

Title

Porous-filled helical double-pipe heat exchanger under asymmetric heat flux

Author(s)

DEHGHAN MAZIAR | Tirandaz Nima | VALIPOUR MOHAMMAD SADEGH | Issue Writer Certificate

Keywords

Asymmetric heat fluxQ1

helical annulusQ1

analytical solutionQ2

porous mediaQ2

forced convectionQ1

Abstract

A helical double-pipe heat exchanger filled with a porous material under Asymmetric heat flux is studied analytically. Momentum and energy equations are transformed to the Germano? s coordinate and then expressions representing the velocity and temperature fields are obtained based on the powers of dimensionless curvature using perturbation analysis. To be more insightful, contours of velocity and temperature fields are presented. Results reveal an asymmetric axial velocity profile arising from the curved geometry. The Nusselt number increases with respect to the dimensionless curvature increment as well as the inner to outer radius ratio increase.

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APA: Copy

DEHGHAN, MAZIAR, Tirandaz, Nima, & VALIPOUR, MOHAMMAD SADEGH. (2018). Porous-filled helical double-pipe heat exchanger under asymmetric heat flux. JOURNAL OF MODELING IN ENGINEERING, 16(52 ), 409-418. SID. https://sid.ir/paper/361762/en

Vancouver: Copy

DEHGHAN MAZIAR, Tirandaz Nima, VALIPOUR MOHAMMAD SADEGH. Porous-filled helical double-pipe heat exchanger under asymmetric heat flux. JOURNAL OF MODELING IN ENGINEERING[Internet]. 2018;16(52 ):409-418. Available from: https://sid.ir/paper/361762/en

IEEE: Copy

MAZIAR DEHGHAN, Nima Tirandaz, and MOHAMMAD SADEGH VALIPOUR, “Porous-filled helical double-pipe heat exchanger under asymmetric heat flux,” JOURNAL OF MODELING IN ENGINEERING, vol. 16, no. 52 , pp. 409–418, 2018, [Online]. Available: https://sid.ir/paper/361762/en

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