Prediction of Film Cooling Effectiveness by a Row of Moles over a Flat Surface.
Ammari, H., Hay, N. (2021). Prediction of Film Cooling Effectiveness by a Row of Moles over a Flat Surface.. EKB Journal Management System, 19(3), 27-40. doi: 10.21608/bfemu.2021.163753
Handry Ammari; N. Hay. "Prediction of Film Cooling Effectiveness by a Row of Moles over a Flat Surface.". EKB Journal Management System, 19, 3, 2021, 27-40. doi: 10.21608/bfemu.2021.163753
Ammari, H., Hay, N. (2021). 'Prediction of Film Cooling Effectiveness by a Row of Moles over a Flat Surface.', EKB Journal Management System, 19(3), pp. 27-40. doi: 10.21608/bfemu.2021.163753
Ammari, H., Hay, N. Prediction of Film Cooling Effectiveness by a Row of Moles over a Flat Surface.. EKB Journal Management System, 2021; 19(3): 27-40. doi: 10.21608/bfemu.2021.163753

Prediction of Film Cooling Effectiveness by a Row of Moles over a Flat Surface.

MEJ- Mansoura Engineering Journal
Article 1, Volume 19, Issue 3, September 1994, Page 27-40  XML PDF (780.77 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2021.163753
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Authors
Handry Ammari1; N. Hay* 2
1Mechanical Engineering Department., Mu'tah University., Jordan.
2Mechanical Engineering Department., University of Nottingham., UK.
Abstract
The present paper describes a numerical procedure and its capability for calculating the film cooling effectiveness by injection from a single transverse row of discrete holes over a flat surface. The three-dimensional calculation procedure takes into account the elliptic nature of the flow after the injection. The effects of turbulence are simulated through the implementation of the standard k-ε turbulence model. Results are given for; two injection angles of 35° and 90o, spacing between the holes of 3 hole diameters, coolant-to-mainstream density ratios of 1.0 and 2.0, and blowing rates from 0.5-2.0. The predicted cooling effectiveness is compared with some available experimental data and shows an overall performance of reasonably good agreement.
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