A Study on the Effect of Geometrical Parameters of Longitudinal External Fins and Fluid Flow on the Efficiency of the Vertical Heat Exchanger under Free Convection Heat Transfer

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Gholmohammad Pour A. R.; Pesteei S. M.

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2019 | Volume:49 | Issue:1 (86) Page(s): 245-253

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Title

A Study on the Effect of Geometrical Parameters of Longitudinal External Fins and Fluid Flow on the Efficiency of the Vertical Heat Exchanger under Free Convection Heat Transfer

Author(s)

Gholmohammad Pour A. R. | Pesteei S. M. | Issue Writer Certificate

Keywords

Heat Exchanger

Longitudinal fin

Heat transfer

Natural convection

Rayleigh Number

Abstract

In the present work a numerical study of a vertical finned tube Heat Exchanger in the case of laminar free convection of the ambient air flow was discussed. In this study different geometries of external Longitudinal fins (rectangular, trapezoidal, and triangular) with four different temperatures of hot inlet fluid in the pipe was investigated. The simulation has been done with a three-dimensional model and finite volume method. In order to increase the efficiency of pre-selected fin, geometric parameters such as the thickness of the fin, the fin height and the number of fins have been examined and compared. Then the Heat Exchanger performance for different mass flow rates of hot fluid were evaluated. The result represents an effectiveness for optimal finned tube with a 10% increase compared with optimal reference model.

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APA: Copy

Gholmohammad Pour, A. R., & Pesteei, S. M.. (2019). A Study on the Effect of Geometrical Parameters of Longitudinal External Fins and Fluid Flow on the Efficiency of the Vertical Heat Exchanger under Free Convection Heat Transfer. JOURNAL OF MECHANICAL ENGINEERING, 49(1 (86) ), 245-253. SID. https://sid.ir/paper/269951/en

Vancouver: Copy

Gholmohammad Pour A. R., Pesteei S. M.. A Study on the Effect of Geometrical Parameters of Longitudinal External Fins and Fluid Flow on the Efficiency of the Vertical Heat Exchanger under Free Convection Heat Transfer. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2019;49(1 (86) ):245-253. Available from: https://sid.ir/paper/269951/en

IEEE: Copy

A. R. Gholmohammad Pour, and S. M. Pesteei, “A Study on the Effect of Geometrical Parameters of Longitudinal External Fins and Fluid Flow on the Efficiency of the Vertical Heat Exchanger under Free Convection Heat Transfer,” JOURNAL OF MECHANICAL ENGINEERING, vol. 49, no. 1 (86) , pp. 245–253, 2019, [Online]. Available: https://sid.ir/paper/269951/en

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