Ghazihesami, Rouzbeh (2015) Assessment of numerical modelling for steady state jet impingement cooling in different geometries. Masters thesis, Concordia University.
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Abstract
In this thesis, the suitability of CFD to evaluate and predict physical phenomena in lieu of experimental work in a jet impingement application is assessed. Previous experimental work looked at the effectiveness of different geometries in improving jet impingement cooling. This work was used to construct a numerical model of two of the geometries each running at three different Reynolds numbers. First a turbulence model is selected based on a simple 2D axisymmetric jet impingement case. The k-ω SST model produced the most accurate results and was thus selected. The model was then used to simulate jet impingement in both a basic flatplate and a corrugated geometry. The corrugated geometry was expected to improve cooling performance. The trend was seen in the numerical results, particularly at higher velocities and at the most downstream jets. The trend replicates that of the experimental results, with negligible impact of the corrugations before the 3-4th jet.
| Divisions: | Concordia University > Gina Cody School of Engineering and Computer Science > Mechanical and Industrial Engineering |
|---|---|
| Item Type: | Thesis (Masters) |
| Authors: | Ghazihesami, Rouzbeh |
| Institution: | Concordia University |
| Degree Name: | M.A. Sc. |
| Program: | Mechanical Engineering |
| Date: | 31 November 2015 |
| Thesis Supervisor(s): | Dick Ng, Hoi |
| Keywords: | Jet impingement cooling, numerical, cfd, turbulence modeling, validation |
| ID Code: | 980804 |
| Deposited By: | ROUZBEH GHAZI-HESAMI |
| Deposited On: | 15 Jun 2016 19:31 |
| Last Modified: | 18 Jan 2018 17:52 |
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