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International Journal for Research Trends and Innovation
International Peer Reviewed & Refereed Journals, Open Access Journal
ISSN Approved Journal No: 2456-3315 | Impact factor: 8.14 | ESTD Year: 2016
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Issue: April 2026
Volume 11 | Issue 4
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Impact Factor : 8.14
Issue per Year : 12
Volume Published : 11
Issue Published : 119
Article Submitted : 23355
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Total Authors : 23952
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| Paper Title: | Numerical study of shock cell structure and spread characteristics of non-circular jets |
| Authors Name: | Sadala Abhinay Raj , Siddamalla Parthiban , Messu Joshua , Juluru Sandeep |
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IJRTI_211521
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| Published Paper Id: | IJRTI2604166 |
| Published In: | Volume 11 Issue 4, April-2026 |
| DOI: | |
| Abstract: | The flow characteristics of supersonic jets issuing from non-circular nozzles are of significant importancein propulsion systems, high-speed exhaust configurations, and aeroacoustic control applications. Unlike conventional circular jets, geometrically asymmetric nozzles generate complex flow features that substantially alter mixing behaviour, shock-cell patterns, and noise generation mechanisms. In this study, a computational investigation is conducted to examine the influence of nozzle cross-sectional geometry—namely circular, square, and triangular shapes—on shock-cell development and jet spreading at an exit Mach number of 3.0. Three-dimensional, steady-state Reynolds-Averaged Navier– Stokes (RANS) equations are solved using the k–ω SST turbulence model within ANSYS Fluent 2023 R1. To isolate the effect of geometry, all nozzle configurations are designed with an identical exit area of 29.93 mm². The results indicate that both nozzle shape and the corresponding hydraulic diameter play a critical role in determining jet development characteristics. Configurations with smaller hydraulic diameters exhibit reduced potential core lengths and enhanced velocity decay rates. |
| Keywords: | Non-circular jets; supersonic jet flow; shock-cell structure; jet mixing; hydraulic diameter; axis switching; k–ω SST model; CFD; vortex dynamics; nozzle geometry. |
| Cite Article: | "Numerical study of shock cell structure and spread characteristics of non-circular jets", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 4, page no.b203-b210, April-2026, Available :http://www.ijrti.org/papers/IJRTI2604166.pdf |
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016 An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator |
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Published Paper ID: IJRTI2604166
Registration ID:211521
Published In: Volume 11 Issue 4, April-2026
DOI (Digital Object Identifier):
Page No: b203-b210 Country: Hyderabad, Telangana, India Research Area: Engineering Publisher : IJ Publication Published Paper URL : https://www.ijrti.org/viewpaperforall?paper=IJRTI2604166 Published Paper PDF: https://www.ijrti.org/papers/IJRTI2604166 |
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ISSN: 2456-3315
Impact Factor: 8.14 and ISSN APPROVED,
Journal Starting Year (ESTD) : 2016
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