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Effect of zero penetration angle chevrons in supersonic jet noise and screech tone mitigation

International Journal of Turbo & Jet-Engines, 2023
An experimental study is conducted to determine the effect of chevrons with zero penetration angles at the CD nozzle exit on an emitted noise field. The implication of passive control is to reduce the blockage of the nozzle exit area with minimal engine ...
Kaleeswaran Periyasamy, Kadiresh P Natarajan, B. Surendra, Khandai Suresh Chandra   +3 more
semanticscholar   +1 more source

Effect of velocity ratio and Mach number on thin lip coaxial jet

International Journal of Turbo & Jet-Engines, 2023
The effect of nozzle lip thickness and velocity ratio on coaxial subsonic jet mixing, at different Mach numbers, has been studied experimentally and numerically.
Irish Angelin Scwartz, Naren Shankar Rathakrishnan, Sathish Kumar Kumar, Vijayaraja Kengaiah, R. Ethirajan   +4 more
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Supersonic jet mixing in the presence of two annular co-flow streams

International Journal of Turbo & Jet-Engines, 2023
The mixing characteristics of a Mach 1.9 jet at three levels of overexpansion, corresponding to nozzle pressure ratio (NPR) 3, 4 and 5, in the presence of a sonic co-flow (secondary flow), which was submerged in a subsonic co-flow (tertiary flow) was ...
R. S., P. Vasanthakumar, Aravindh Kumar Suseela Moorthi, E. Rathakrishnan   +3 more
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An efficient flow control technique based on co-flow jet and multi-stage slot circulation control applied to a supercritical airfoil

International Journal of Turbo & Jet-Engines, 2023
Circulation control is a kind of efficient flow control technology which can improve aircraft aerodynamic performance and reduce fuel consumption. However, improving the aerodynamic efficiency of a circulation device to enhance flight endurance and ...
Lei Wang, Ha-Nan Lu, Yue Xu, Qiu-Shi Li
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Abrasive Water Jet Machining process: A state of art of review

, 2020
Nowadays, advanced machining techniques are widely used for solving various issues in manufacturing operations that include machining high strength materials, production of complex shaped profiles, better surface features, capable of high levels of ...
Yuvaraj Natarajan, P. Murugesan, Mugilvalavan Mohan, Shakeel Ahmed Liyakath Ali Khan   +3 more
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Numerical analysis on the effect of passive control geometry in supersonic jet mixing enhancement

International Journal of Turbo & Jet-Engines, 2023
This paper presents the numerical analysis of a convergent-divergent circular nozzle with the exit Mach number of 1.69 with and without passive control at the exit.
N. Subramani, S. M, Gowtham Gajapathy
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Effect of primary nozzle exit diameter on underexpanded coaxial jet characteristics

International Journal of Turbo & Jet-Engines
The effect of Primary Nozzle Exit Diameter (PNED) on the decay characteristics and flow structure of circular underexpanded sonic coaxial jets has been studied numerically.
Chandra Bose Gurusamy, Ganesan Sudalaimuthu   +1 more
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Effect of lip-thickness on rectangular nozzle co-flowing subsonic jet

International Journal of Turbo & Jet-Engines
The reduction in the potential core length and the enhancement of mixing by varying the lip thickness with co-flowing jets through a rectangular nozzle have been investigated using both computational and experimental methods.
E. Gopalakrishnan, Surendra Bogadi, Thanigaiarasu Subramanian, S. Subramani   +3 more
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