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Research > Centre of Excellence > Centre of Excellence in JET FLOWS

JET FLOWS

High-speed free jet facility at the Department of Aeronautical Engineering, Rajalakshmi Engineering College

Schematic of Aeroacoustic jet facility at the Department of Aeronautical Engineering, Rajalakshmi Engineering College

Vision
To be a globally recognised centre of excellence in the field of high-speed jet flows providing/imparting quality education, research and innovative development of jet mixing and noise suppression techniques.

Mission

  • To promote scientific discovery and the invention of passive flow control methodsand noise suppression techniques
  • To undertake cutting edge research and education in the areas ofsupersonic nozzle flows, mixing enhancement and noise reduction.
  • To carry out cutting-edge research and education to nurture future experts in high-speed flow research by imparting current knowledge, innovative ideas, critical thinking and practical skills.
  • To build the capacity of technical personnel fostering strong academic, research, and social tiesfor solving various problems related to high-speed vehicles.
  • To provide consultancy, training, and outreach services for stakeholders in the region.

Research Activities
To carry out advanced research activities in the area of Jet Flows using this as a general research facility to take up new research projects from industry and other bodies.

  • Conducting research experiments which add value to the available knowledge in the domain of high-speed jet flows.
  • Conducting training programmes in the related areas for professional skill development.
  • Conducting consultancy/knowledge transfer works for academicians, researchers and students of other institutions.
  • Conducting courses/workshops with significant participation of external faculty, researchers.
  • Entering into collaborative research engagements with extra-mural funding agencies for better understanding of issues of scientific and technological management between different stakeholders.

Projects at Centre of Excellence in Jet Flows:
Consultancy/Knowledge Transfer Services offered:

S. No. Project Title Service Availed By Duration
2021-22
1 Noise reduction using Chevron Nozzles Research scholar from BS Abdur Rahman Deemed University 14 Dec 2021 - Ongoing
2020-21
1 Mixing enhancement using Tabs Undergraduate students of  

P. B. College of Engineering 		4 Weeks, dt.18.02.2021
2 Noise reduction of pipe jets Undergraduate students of  

SRM University 		One Week, dt 01.03.2021
2019-2020
1 High Speed Jet flow experiments Undergraduate students of  

Valliammai Engineering College 		2 Weeks, dt.13.03.2020
2018-2019
1 Mixing enhancement using Tabs Research Scholars of P. B. College of Engineering 3 Weeks, dt 05.4.2019
2 Mixing enhancement using Tabs Research Scholars P. B. College of Engineering 4 Weeks, dt.15.3.2019
3 Acoustic spectrum experiments Undergraduate students of Jaya Engineering College 2 Weeks, dt.13.3.2019
4 Jet mixing experiments Undergraduate students of Easwari Engineering college One Week, dt.22.2.2019
5 Mixing enhancement using Tabs P.B. College of Engineering 3 Weeks, dt.08.2.2019

Training programs offered

  1. Faculty Development Program on “Experimental Techniques in High-speed Jets” (07 and 08 July 2017) – 13 faculty members from institutions in and around Chennai have participated and benefitted from the program
  2. One day hands-on workshop on “High-speed Jet Flows and Acoustics” (19 March 2022) - Total number or participants were 37, of which 11 were students from Rajalakshmi Engineering college and the remaining 26 were from other institutions.

    No. of student participants – 28
    No of Research scholars – 02
    No of Faculty members – 04
    No of Lab technicians – 03

Participants of on- day hands-on workshop on “high-speed jet flows and acoustics”

Hands-on training sessions provided to the participants

Research Publications
Many of our faculty members and students benefit by the effective utilization of the experimental facility for their research projects. The results from some of these works were also published as journal and conference articles as listed below:

  1. Surendra Bogadi, B.T.N Sridhar, “Acoustic characteristics of supersonic rectangular jets issuing from nozzles with diagonal expansion ramps’, Journal of the Brazilian Society of Mechanical Sciences and Engineering, vol.43, November 2021, ISSN: 1678-5878. [SCIE, Impact Factor: 2.22, SCOPUS Indexed, Citescore: 3.2, Publisher: Springer DOI:https://doi.org/10.1007/s40430-021-03286-w]
  2. Kowsalya P, Ashwin V G, Dharani JandSuresh Chandra Khandai,“experimental study of supersonic jet characteristics of a grooved nozzle”, International Journal of Mechanical and Production Engineering Research and Development, vol. 10(3), pp. 8617–8624, June 2020. ISSN: 2249–6890 SCOPUS Indexed, Publisher:Trans stellar.
  3. Surendra Bogadi and BTN Sridhar, “Decay of Supersonic Rectangular Jet Issuing from a Nozzle with Diagonal Expansion Ramps”, Thermal Science, Vinča Institute of Nuclear Sciences, Vol. 23(6B), pp.3929-3940, Dec 2019. [SCI Indexed, SCOPUS Indexed, Impact Factor: 1.54]
  4. Ezhilmaran, G., Khandai, S. C., Sinha, Y. K.,& Thanigaiarasu, S., “Numerical Simulation of Supersonic Jet Control by Tabs with Slanted Perforation”, International Journal of Turbo & Jet-Engines, (doi:10.1515/tjj-2019-0015), 2019 [SCI Indexed, SCOPUS Indexed, Impact Factor: 0.625]
  5. Sathish Kumar K and Senthilkumar Chidambaram, “Supersonic jet flow control using semi-circular corrugated tabs”, Journal of Aircraft Engineering and Aerospace Technology”, Emerald Publications, 91/10, 2019 [Scopus Indexed]
  6. Surya S, Swetha Sri S and Suresh Chandra Khandai, “Effect of Secondary Injection on No-Circular Jets”, International Journal of Mechanical and Production Engineering Research and Development, Trans Stellar, Vol.8, No.4, pp. 845-852, August 2018. (Scopus Indexed)
  7. Suresh Chandra Khandai,G.Ezhilmaran,S.Devanandh,P.Hari Prasath,G.Jesurajanishanth and A. Arivazhagan, "Design optimization of single expansion ramp nozzle using computational method", 3rd International Conference on Advances in Mechanical Engineering (ICAME 2020), 2020.
  8. Arivazhagan A, Jesurajanishnth G. and Suresh Chandra Khandai, “Design Optimization of Single Expansion Ramp Nozzle using Computational Method”, “Rotary Vanes to Increase Turbulence Inside the Combustor, 3rd International Conference on Advances in Mechanical Engineering 2020 (IOP Cinf series- Materials Science and Engineering 912), SRM Institute of Science and Technology, 24-29th February 2020. 
  9. R.Nisha, A.B. Moosa Naina and Surendra Bogadi,“Flow separation control and enhanced expansion of SERN nozzle flows using dielectric barrier discharge”, 3rd International Conference on Advances in Mechanical Engineering 2020, SRM Institute of Science and Technology, 24-29th February 2020. 
  10. Apoorva S and Suresh Chandra Khandai, “Computational Characterization of a CD Nozzle with Variable Geometry Translating Throat”, Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018), Springer, Veltech University, pp 11-20, Dec 2018.(Book Chapter)
  11. ManishKumar.V, Srinath. K, and Ezhilmaran.G, ‘Thrust vector control of supersonic flow in a Rectangular Nozzle using movable plates’, International Conference on Green Manufacturing: Analysis, Automation, Processes, Products, Energy & Structures (GM: AAPPES 20018), Rajalakshmi Engineering College, Thandalam, Chennai, 28 March 2018.
  12. Selvamuthukumaran.V, Narendiran.B&Mr. Surendra Bogadi, “Spread Characteristics of supersonic Jet”, in “International Conference on Green Management: Analysis Automation Processes, Products, Energy & Structures (GM: AAPPES)” Conducted at Rajalakshmi Engineering College 28 March 2018.
  13. Saji M, Selvamani M, Velmani M and Mr. Surendra Bogadi ‘Experimental Investigation of Mixing Enhancement by Ramp Induced Vortices in Supersonic Rectangular Nozzle’, International Conference on Aeronautics Astronautics and Aviation (ICAAA’18), Dhanalakshmi Srinivasan College of Engineering and Technology, Mamallapuram, Chennai, 28 March 2018.
  14. Saji M, SelvamaniM, VelmaniM and Mr. Surendra Bogadi, ‘Farfield Noise Measurement of Supersonic Rectangular Diagonal-wise Expansion Ramp’, International Conference on Green Manufacturing: Analysis, Automation, Products, Energy & Structures (GM: AAPPES 2018), Rajalakshmi Engineering College, Thandalam, Chennai, 28 March 2018.
  15. Siluvani Samson D, Yunusur Rahman M & -Pramodh Mahajan B, Design and Fabrication of Bullet Impact test Facility for Aircraft Materials, 8th International conference on Science And Innovative Engineering, paper I. DICSIE 181106, pp18, 2018.
  16. Udhayakumar, Pavithrabalan and Mr. Ezhilmaran “Supersonic Jet Control By Tabs With Slanted Perforation”, International Conference of Green Manufacturing: Analysis, Automation, processes, Products, Energy & Structures (GM: AAPPES 2018)”, organized by “Rajalakshmi Engineering College”, Chennai, India, 28th& 29th March 2018.
  17. Aditya K, Venkatesha Kishore S,Surendra Bogadi, “Lab Scale Schlieren Setup for High-Speed Flow Visualization”,3rd National conference on “Recent Advances in Mechanical Sciences” [NCRAMS 2021], Rajalakshmi Engineering College, Chennai on December 17 &18,2021.
  18. B. Suraj, A. Siddarthan, Suresh Chandra Khandai, “Computational Analysis of Inlet Characteristics of Concentric Dual Mode Supersonic Inlet”, 3rd National conference on “Recent Advances in Mechanical Sciences” [NCRAMS 2021], Rajalakshmi Engineering College, Chennai on December 17 &18,2021.
  19. Kowsalya P, Ashwin VG, Dharani J &Dr. Suresh Chandra Khandai, “Experimental study of supersonic jet characteristics of a grooved nozzle”, Virtual Conference on Automation, Materials & Energy (VAME2020), Rajlakshmi Engineering College, 20 June 2021.
  20. Santhosh K, Sriramanarayanan K&Dr. Suresh Chandra Khandai, “Effect of slanted perforation geometry in tabs for supersonic jet”, Virtual Conference on Automation, Materials & Energy (VAME2020), Rajlakshmi Engineering College, 20 June 2021.
  21. Muthuraman N, Prasanth S &Surendra Bogadi, “Acoustic characteristics of supersonic jets” Virtual Conference on Automation, Materials & Energy (VAME2020), Rajlakshmi Engineering College, 20 June 2021.
  22. Nisha R, Moosa Naina AB &Surendra Bogadi, “Investigation of dielectric barrier discharge in single expansion ramp nozzle”, Virtual Conference on Automation, Materials & Energy (VAME2020), Rajlakshmi Engineering College, 20 June 2021.
  23. Abisha C, Kovardhana Guru J and Ezhilmaran G “Effect of lip thickness on rectangular nozzle co-flowing subsonic jet”, National Conference on Recent Advances in Mechanical Science (NCRAMS), Rajalakshmi Engineering College, 16 March 2019.
  24. Kannan G, Monica S and Surendra Bogadi, “Thrust Loss Minimization of Injector Nozzle”, National Conference on Recent Trends in Aerospace Technology (NCRTAT-19), Bharat Institute of Higher Education and Research, 29 March 2019.
  25. Saranya G and Pavan Ranjith D K and Surendra Bogadi “Aeroacoustic Characterization of an Underexpanded Rectangular Injector Nozzle”, National Conference on Recent Trends in Aerospace Technology (NCRTAT-19), Bharat Institute of Higher Education and Research, 29 March 2019.
  26. Devanand, Hariprasath, Suresh Chandra Khandai, “Numerical Optimization of Single Expansion Ramp Nozzle”, National Conference on Recent Trends in Aerospace Technology (NCRTAT-19), Bharat Institute of Higher Education and Research, 29 March 2019.
  27. Ezhilmaran G., Suresh Chandra Khandai, Yogesh Kumar Sinha, M Natchippan (2019) “Design and Fabrication of Monopropellant Micro Thruster for Micro Satellite”, National Conference on Recent Trends in Aerospace Technology, 29 – 30 March 2019, Organized by “Bharath University”, Chennai, India.(NCRTAT-19)
  28. Abisha C, Kovardhana Guru J and Ezhilmaran G. “Effect of lip thickness on rectangular nozzle co-flowing subsonic jet”, National Conference on Recent Advances in Mechanical Science (NCRAMS), Rajalakshmi Engineering College, 16 March 2019.
  29. Kannan G, Monica S and Surendra Bogadi. “Thrust Loss Minimization of Injector Nozzle”, National Conference on Recent Trends in Aerospace Technology (NCRTAT-19), Bharat Institute of Higher Education and Research, 29 March 2019.
  30. Sarnya G and Pavan Ranjith D K and Surendra Bogadi “Aeroacoustic Characterization of an Underexpanded Rectangular Injector Nozzle”, National Conference on Recent Trends in Aerospace Technology (NCRTAT-19), Bharat Institute of Higher Education and Research, 29 March 2019.
  31. UdhayakumarK, PavithrabalanS and Mr.EzhilmaranG “Supersonic Jet Control By Tabs With Slanted Perforation”, National Conference on Mechanical, Aeronautical and Civil Engineering’ (NCMACE’ 18), KCG College of Technology, Chennai, 28th March 2018

EXTRAMURAL FUNDING RECEIVED
UGC Funded Minor Research Project

  • Title of the Project - Study of supersonic jet characteristics
    Sanction Letter No. MRP-6149/15(SERO/UGC) JANUARY 2015 – DECEMBER 2017; by Dr. Suresh Chandra Khandai, Grant Value - Rs. 4.75 Lakhs
  • Title of the Project - Acoustic measurements of high-speed jets Sanction Letter No. MRP-6150/15(SERO/UGC) JANUARY 2015 – DECEMBER 2017; by Dr. Surendra Bogadi, Grant Value - Rs. 4.6 Lakhs
AR & DB Funded Research Project
  • Title of the Project - Supersonic Jet Control by Tabs with Slanted Perforation
    Sanction Letter No. ARDB/01/1032019/M/I, Date: 10 January 2022
    Principal Investigator - Dr. Suresh Chandra Khandai and Co-Principal Investigator - Dr. Surendra Bogadi; Total project cost - Rs.16.69 Lakhs; Project Duration – 2 Years
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