EXPERIMENTAL INVESTIGATION OF FORCE CONVECTION HEAT TRANSFER IN POROUS CHANNEL WITH INTERNAL HEAT GENERATION

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NAZARI MEYSAM; JALALI VAHID DAVOOD; KHANJANI SAMIRA

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:1 Page(s): 203-210

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Title

EXPERIMENTAL INVESTIGATION OF FORCE CONVECTION HEAT TRANSFER IN POROUS CHANNEL WITH INTERNAL HEAT GENERATION

Author(s)

NAZARI MEYSAM | JALALI VAHID DAVOOD | KHANJANI SAMIRA | Issue Writer Certificate

Keywords

FORCED CONVECTION HEAT TRANSFERQ1

EXPERIMENTAL INVESTIGATIONQ2

POROUS MEDIAQ2

CYLINDRICAL CHANNELQ2

INTERNAL HEAT GENERATIONQ2

Abstract

In this study FORCED CONVECTION HEAT TRANSFER in a pebble bed CYLINDRICAL CHANNEL with INTERNAL HEAT GENERATION was investigated experimentally. Dry air has been used as working fluid in heated spheres cooling process. Internal heating was generated uniformly by electromagnetic induction heating method in metallic spheres which were used in the test section. Spheres are made of stainless steel and their diameter is in the range of 5.5-7.5 mm. The present study was performed at steady state and turbulence flow regime, with Re number in the range of 4500-9500. Different parameters resulted from variation of spheres diameter, flow velocity and generated heat on FORCED CONVECTION HEAT TRANSFER were studied. According to thermal and hydrodynamics studies, it can be said as Re number increases, heat transfer coefficient will also increase. Morover, heat transfer coefficient has been increased by the decrement in the spheres’ diameter. The generated heat has little influence on heat transfer coefficient. The effect of pressure variations on FORCED CONVECTION HEAT TRANSFER can be neglected. Porous channel has greater friction factor in comparison with an empty channel. The friction factor in empty channel is always less than 1 but for porous channel this parameter is in the range of 10-25.

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APA: Copy

NAZARI, MEYSAM, JALALI VAHID, DAVOOD, & KHANJANI, SAMIRA. (2015). EXPERIMENTAL INVESTIGATION OF FORCE CONVECTION HEAT TRANSFER IN POROUS CHANNEL WITH INTERNAL HEAT GENERATION. MODARES MECHANICAL ENGINEERING, 15(1), 203-210. SID. https://sid.ir/paper/179296/en

Vancouver: Copy

NAZARI MEYSAM, JALALI VAHID DAVOOD, KHANJANI SAMIRA. EXPERIMENTAL INVESTIGATION OF FORCE CONVECTION HEAT TRANSFER IN POROUS CHANNEL WITH INTERNAL HEAT GENERATION. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(1):203-210. Available from: https://sid.ir/paper/179296/en

IEEE: Copy

MEYSAM NAZARI, DAVOOD JALALI VAHID, and SAMIRA KHANJANI, “EXPERIMENTAL INVESTIGATION OF FORCE CONVECTION HEAT TRANSFER IN POROUS CHANNEL WITH INTERNAL HEAT GENERATION,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 1, pp. 203–210, 2015, [Online]. Available: https://sid.ir/paper/179296/en

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