A COMPARISON BETWEEN THE LOCAL FREE CONVECTION HEAT TRANSFER COEFFICIENTS OF HORIZONTAL CYLINDERS IN VERTICAL AND INCLINED ARRAYS

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ASHJAEI M.; SHOKOUHMAND H.; AMIRI MAHDI; YOUSEFI T.

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Journal: Year:2008 | Volume:42 | Issue:1 (111) Page(s): 39-48

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Title

A COMPARISON BETWEEN THE LOCAL FREE CONVECTION HEAT TRANSFER COEFFICIENTS OF HORIZONTAL CYLINDERS IN VERTICAL AND INCLINED ARRAYS

Author(s)

ASHJAEI M. | SHOKOUHMAND H. | AMIRI MAHDI | YOUSEFI T. | Issue Writer Certificate

Keywords

FREE CONVECTIONQ3

HORIZONTAL CYLINDERSQ3

INCLINED ARRAYQ3

INTERFEROMETRYQ3

VERTICAL ARRAYQ3

Abstract

Laminar FREE CONVECTION heat transfer from vertical and INCLINED ARRAYs of horizontal isothermal cylinders in air was investigated experimentally and numerically. Experiments were carried out using Mach-Zehnder interferometer and the FLUENT code was used for numerical study. Investigation was performed for vertical and horizontal cylinder spacing from 2 to 5 and 0 to 2 cylinder diameters respectively. The Rayleigh number based on the cylinder diameter varied between 103 and 3×103.The effect of vertical and horizontal cylinder spacing and Rayleigh number on the local heat transfer from each individual cylinder was investigated. It was seen that the local heat transfer coefficient of each cylinder strongly depends on its position relative to the others. This variation of the local heat transfer coefficient was explained by the interaction of plume's temperature and velocity profiles.

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APA: Copy

ASHJAEI, M., SHOKOUHMAND, H., AMIRI, MAHDI, & YOUSEFI, T.. (2008). A COMPARISON BETWEEN THE LOCAL FREE CONVECTION HEAT TRANSFER COEFFICIENTS OF HORIZONTAL CYLINDERS IN VERTICAL AND INCLINED ARRAYS. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 42(1 (111)), 39-48. SID. https://sid.ir/paper/14470/en

Vancouver: Copy

ASHJAEI M., SHOKOUHMAND H., AMIRI MAHDI, YOUSEFI T.. A COMPARISON BETWEEN THE LOCAL FREE CONVECTION HEAT TRANSFER COEFFICIENTS OF HORIZONTAL CYLINDERS IN VERTICAL AND INCLINED ARRAYS. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2008;42(1 (111)):39-48. Available from: https://sid.ir/paper/14470/en

IEEE: Copy

M. ASHJAEI, H. SHOKOUHMAND, MAHDI AMIRI, and T. YOUSEFI, “A COMPARISON BETWEEN THE LOCAL FREE CONVECTION HEAT TRANSFER COEFFICIENTS OF HORIZONTAL CYLINDERS IN VERTICAL AND INCLINED ARRAYS,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 42, no. 1 (111), pp. 39–48, 2008, [Online]. Available: https://sid.ir/paper/14470/en

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