Numerical Analysis of Located of Angle Sister Holes Effect on the Film Cooling Effectiveness

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Kazemi Taskouh Mohammad Javad; AMANIFARD NIMA; Mohaddes Deylami Hamed

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Journal: IRANIAN JOURNAL OF MECHANICAL ENGINEERING (ENGLISH) Year:2018 | Volume:20 | Issue:2 Page(s): 129-152

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Title

Numerical Analysis of Located of Angle Sister Holes Effect on the Film Cooling Effectiveness

Author(s)

Kazemi Taskouh Mohammad Javad | AMANIFARD NIMA | Mohaddes Deylami Hamed | Issue Writer Certificate

Keywords

Film coolingQ2

Flat plateQ1

Numerical analysisQ2

Density ratioQ2

Blowing ratioQ1

Abstract

In current study, three dimensional Numerical analysis has been employed to investigate the flow and thermal fields, for different geometry of the hole injection of the Film cooling over a Flat plate. The computational methodology includes the use of a structured, non-uniform hexahedral grid consisting of the main flow channel, the coolant delivery tube and the feeding plenum, applying the SIMPLE algorithm for pressure-velocity coupling. The two sister holes injection located in the vicinity of to the main injection the cylindrical and the fan-shaped hole by angles of 15, 0 and-15 degree to decrease the strength of counter rotating vortex pairs of the main injection hole and the Film cooling performance investigated for two Blowing ratios of 0. 5 and 1 and Density ratio of 1. 6. The results show that for Blowing ratio of 1, the using of sister holes with the angle of 15 degree with fan-shaped hole injection has the best Film cooling performance and increases the performance of Film cooling about 37. 44% more than the base case which is used from sister holes with the angle of 0 degree with cylindrical hole injection.

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APA: Copy

Kazemi Taskouh, Mohammad Javad, AMANIFARD, NIMA, & Mohaddes Deylami, Hamed. (2018). Numerical Analysis of Located of Angle Sister Holes Effect on the Film Cooling Effectiveness. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), 20(2 ), 129-152. SID. https://sid.ir/paper/83567/en

Vancouver: Copy

Kazemi Taskouh Mohammad Javad, AMANIFARD NIMA, Mohaddes Deylami Hamed. Numerical Analysis of Located of Angle Sister Holes Effect on the Film Cooling Effectiveness. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH)[Internet]. 2018;20(2 ):129-152. Available from: https://sid.ir/paper/83567/en

IEEE: Copy

Mohammad Javad Kazemi Taskouh, NIMA AMANIFARD, and Hamed Mohaddes Deylami, “Numerical Analysis of Located of Angle Sister Holes Effect on the Film Cooling Effectiveness,” JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), vol. 20, no. 2 , pp. 129–152, 2018, [Online]. Available: https://sid.ir/paper/83567/en

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