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An experimental study of diverging angle effect on separation location in two - dimensional diffuser | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 27, Issue 5, 2009, Pages 157-170 PDF (371.25 K) | ||
| DOI: 10.30684/etj.27.5.16 | ||
| Authors | ||
| Zeina Khalifa. Kazem; Qusay Jihad Abdul-Ghafoor; Wesam Abed katea | ||
| Abstract | ||
| The present study deals with flow of air in a two dimensional diffuser. A number of test models of diffusers with different angles raging between (0◦ - 30◦) were manufactured. The air was implemented as working fluid in the test with different Reynolds number (6.85 × 104 – 1.64 × 105 ) at the duct inlet. The study includes a number of experiments for air velocity and static pressure measurement. The results showed the following: 1- Separation Phenomenon is obtained at divergent angles ( θ > 8◦) . 2- The location of separation delays by decreasing the divergent angle and by increasing of Reynolds number. 3- The static pressure recovery coefficient decreases with the increasing diffuser area ratio (AR). | ||
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