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Effect of Chevron on Transonic Nozzle


Effect of Chevron on Transonic Nozzle
Authors : Ms. A. Usha Bharathi, Mr. J. Blessing Sam Paul, Mr. B. Balamanikandan, V. Naveen Sundar, Mr. J. Vikash
Publication Date: 05-05-2015

Authors

Author(s):  Ms. A. Usha Bharathi, Mr. J. Blessing Sam Paul, Mr. B. Balamanikandan, V. Naveen Sundar, Mr. J. Vikash

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol. 4 - Issue 04 (April - 2015)

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV4IS041133

Abstract

Chevrons are used in jet engine nozzle to reduce the noise level at the exhaust by smooth mixing with the cooler air. Nozzle and nozzle with chevron model was designed at different penetration length as 40%, 50%, 60% of external diameter and the models are analysed by CFD. The effect of chevron in the nozzle has been analysed along the axis and across the axis of the nozzle for penetration length of 40%. From the result, it can be observed that by implement the chevron in the transonic nozzle the efficiency of the engine is not compromised.

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