Chutkey, Kiran and Vasudevan, B and Balakrishnan, N (2016) Flow Investigation of Linear Cluster Plug Nozzle. In: JOURNAL OF SPACECRAFT AND ROCKETS, 53 (1). pp. 39-45.
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Computational and experimental tools have been used to understand the linear cluster plug nozzle flowfield for a range of pressure ratios. The experimental cluster configuration is arrived at from a linear plug nozzle by introducing splitter plates in the primary nozzle, and computational analysis of corresponding geometry is also carried out. The flow development on the plug surface has been analyzed for two different cluster module spacings. The interactions between the cluster module jets is a complex one with a three-dimensional shock structure because of the differential end condition the shock experiences on the plug wall and freejet boundary. A prominent streamwise vorticity resulting from curvature of the shock is also seen along the length of the plug downstream of the module junctions. The out-of-phase wave interactions occurring along the module centerline and the splitter plate centerline, resulting in a wavy surface-limiting streamline pattern, particularly at lower pressure ratios, is explained.
| Item Type: | Journal Article |
|---|---|
| Publication: | JOURNAL OF SPACECRAFT AND ROCKETS |
| Publisher: | AMER INST AERONAUTICS ASTRONAUTICS |
| Additional Information: | Copy right for this article belongs to the AMER INST AERONAUTICS ASTRONAUTICS, 1801 ALEXANDER BELL DRIVE, STE 500, RESTON, VA 22091-4344 USA |
| Department/Centre: | Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering) |
| Date Deposited: | 23 Apr 2016 07:33 |
| Last Modified: | 23 Apr 2016 07:33 |
| URI: | http://eprints.iisc.ac.in/id/eprint/53700 |
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