A numerical study of compressible jet flows is carried out using Reynolds averaged Navier–Stokes (RANS) turbulence models such as and . An experimental investigation is performed concurrently using high-speed optical methods such as Schlieren photography and shadowgraphy. Numerical and experimental studies are carried out for the compressible impinging at various impinging angles and nozzle-to-wall distances. The results from both investigations converge remarkably well and agree with experimental data from the open literature. From the flow visualizations of the velocity fields, the RANS simulations accurately model the shock structures within the core jet region. The first shock cell is found to be constraint due to the interaction with the bow-shock structure for nozzle-to-wall distance less than 1.5 nozzle diameter. The results from the current study show that the RANS models utilized are suitable to simulate compressible free jets and impinging jet flows with varying impinging angles.
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March 2013
Research-Article
Investigation of the Flow Structures in Supersonic Free and Impinging Jet Flows
C. Chin,
C. Chin
1
e-mail: chincc@unimelb.edu.au
1Corresponding author.
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A. Ooi,
A. Ooi
Department of Mechanical Engineering,
The University of Melbourne
,Parkville, VIC, 3010
, Australia
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A. Risborg,
A. Risborg
Department of Mechanical and Aerospace Engineering,
Monash University
,Clayton, VIC, 3800
, Australia
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J. Soria
J. Soria
Department of Mechanical and Aerospace Engineering,
Department of Aeronautical Engineering,
Monash University
,Clayton, VIC, 3800
, Australia
;Department of Aeronautical Engineering,
King Abdulaziz University
,Jeddah
, 22254, Saudi Arabia
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C. Chin
e-mail: chincc@unimelb.edu.au
A. Ooi
Department of Mechanical Engineering,
The University of Melbourne
,Parkville, VIC, 3010
, Australia
A. Risborg
Department of Mechanical and Aerospace Engineering,
Monash University
,Clayton, VIC, 3800
, Australia
J. Soria
Department of Mechanical and Aerospace Engineering,
Department of Aeronautical Engineering,
Monash University
,Clayton, VIC, 3800
, Australia
;Department of Aeronautical Engineering,
King Abdulaziz University
,Jeddah
, 22254, Saudi Arabia
1Corresponding author.
Manuscript received February 14, 2012; final manuscript received August 22, 2012; published online February 22, 2013. Assoc. Editor: Meng Wang.
J. Fluids Eng. Mar 2013, 135(3): 031202 (12 pages)
Published Online: February 22, 2013
Article history
Received:
February 14, 2012
Revision Received:
August 22, 2012
Citation
Chin, C., Li, M., Harkin, C., Rochwerger, T., Chan, L., Ooi, A., Risborg, A., and Soria, J. (February 22, 2013). "Investigation of the Flow Structures in Supersonic Free and Impinging Jet Flows." ASME. J. Fluids Eng. March 2013; 135(3): 031202. https://doi.org/10.1115/1.4023190
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