COMPARISON OF THE PERFORMANCE OF HELICAL AND NORMAL PIN FINS

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Mansouri Bozorgmehr; YOUSEFI KOMA AGHIL; Mozafari Ali; Jokar mehdi

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON RESEARCH IN SCIENCE AND TECHNOLOGY
Year:2016 | Issue:2

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Title

COMPARISON OF THE PERFORMANCE OF HELICAL AND NORMAL PIN FINS

Author(s)

Mansouri Bozorgmehr | YOUSEFI KOMA AGHIL | Mozafari Ali | Jokar mehdi

Keywords

HEAT TRANSFER

CFD ANALYSIS

HELICAL FINS

Abstract

IN MANY ENGINEERING APPLICATIONS, FIN ARRAYS ARE USED AS A METHOD TO INCREASE HEAT TRANSFER RATE FROM A SURFACE. THE AMOUNT OF HEAT TRANSFER DEPENDS ON FILM COEFFICIENT OF THE COOLANT FLUID (E.G. AIR) WHICH IS A FUNCTION OF THE FLOW REGIME. MORE TURBULENCE IN AIR FLOW RESULTS IN HIGHER AMOUNTS OF HEAT TRANSFER. THEREFORE, CAUSING TURBULENCE IN AIR FLOW IS DESIRABLE IN MANY CASES. A PRACTICAL WAY TO CAUSE TURBULENCE IN AIR FLOW WHICH IS PASSING THROUGH AN ARRAY OF FINS, IS USING HELICAL FINS INSTEAD OF STRAIGHT NORMAL FINS. IN THIS PAPER, THE PERFORMANCE OF HELICAL AND NORMAL FINS, WHICH ARE ATTACHED TO A SURFACE WITH A HIGH TEMPERATURE, IS EVALUATED USING NUMERICAL SIMULATION. IT SHOULD BE NOTICED THAT THE PITCH LENGTH OF HELICAL FINS MUST BE IN AN APPROPRIATE RANGE IN ORDER TO OBTAIN BETTER FUNCTIONALITY. WE HAVE DONE CFD ANALYSIS ON SEVERAL MODELS OF HELICAL PIN FIN ARRAYS WITH DIFFERENT PITCH LENGTHS, THE OPTIMUM AMOUNT OF PITCH LENGTH IS FOUND. THE RESULTS SHOW THAT HELICAL PIN FINS WITH SPECIFIC OPTIMUM PITCH LENGTH COULD BE USED TO INCREASE THE AMOUNT OF HEAT TRANSFER SIGNIFICANTLY.

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APA: Copy

Mansouri, Bozorgmehr, YOUSEFI KOMA, AGHIL, Mozafari, Ali, & Jokar, mehdi. (2016). COMPARISON OF THE PERFORMANCE OF HELICAL AND NORMAL PIN FINS. INTERNATIONAL CONFERENCE ON RESEARCH IN SCIENCE AND TECHNOLOGY. SID. https://sid.ir/paper/929086/en

Vancouver: Copy

Mansouri Bozorgmehr, YOUSEFI KOMA AGHIL, Mozafari Ali, Jokar mehdi. COMPARISON OF THE PERFORMANCE OF HELICAL AND NORMAL PIN FINS. 2016. Available from: https://sid.ir/paper/929086/en

IEEE: Copy

Bozorgmehr Mansouri, AGHIL YOUSEFI KOMA, Ali Mozafari, and mehdi Jokar, “COMPARISON OF THE PERFORMANCE OF HELICAL AND NORMAL PIN FINS,” presented at the INTERNATIONAL CONFERENCE ON RESEARCH IN SCIENCE AND TECHNOLOGY. 2016, [Online]. Available: https://sid.ir/paper/929086/en

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