RESEARCH

BOOKS 

1. Kousik Kumaar.R, ‘Aircraft Materials and Processes (ISBN.NO: 978-81-936020-1-0)’ for Anna University R2013 & R2017 Aeronautical Engineering Course.

2. Kousik Kumaar.R, Kesavan. M, Muthumari. T, ‘Fatigue and Fracture Mechanics for Aerostructures (ISBN.NO: 978-81-955396-0-4)’ for Anna University R2017 Aeronautical Engineering Course.

3. Dr. R. Ramaswamy, Kousik Kumaar.R, Kesavan. M, ‘Modelling and Simulation of Biomass Gasifier (ISBN.NO: 978-81-955396-8-0)’.

4. Kousik Kumaar.R, M. Kesavan, ‘Computer Aided Simulation Laboratory (ISBN.NO: 978-81-957772-2-8)’ for Anna University R2017 Aeronautical Engineering Course.

BOOK CHAPTERS

1. Kousik Kumaar, R., Muthumari, T., Kesavan, M. (2024). ‘Enhancing the Performance of UAV Propeller Using Bio-Inspired Humpback Whales Tubercle—A Parametric Study at the Hub and Tip Locations’. In: Singh, S., Ramulu, P.J., Gautam, S.S. (eds) Recent Advances in Aerospace Engineering. MRAE 2023. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-97-1306-6_19.

2. Boopathy G., Sivaprakasam Palani, Balaji Ganesan, Kousik Kumaar R (2024), ‘Advancements in Design, Fabrication, and Applications of Functionally Graded Composite Materials’ in Anoop Kumar Shukla, Rakesh Kumar Phanden, J. Paulo Davim (eds) Engineering Materials for Efficient Energy Storage and Conversion, IGI global publishing, DOI: 10.4018/979-8-3693-2798-2, ISBN13: 9798369327982, ISBN13 Softcover: 9798369349366, EISBN13: 9798369327999.

1. Design Patent on ‘FLYING THERMODYNAMIC DUCT’ with Journal No is 18/2023 and Journal Date is 05/05/2023.

2. Design Patent titled ‘SMART PENDRIVE’. Journal No is 52/2023 and Journal Date is 29/12/2023.

3. Design Patent titled ‘WIRELESS CHARGING DEVICE’. Journal No is 22/2024 and Journal Date is 31/05/2024.

4. Design Patent titled ‘MORPHING WING FOR AIRCRAFT’ with Journal No is 42/2024 and Journal Date. 18/10/2024.

5. Design Patent titled ‘VORTEX COMBUSTION CHAMBER FOR GAS TURBINE ENGINE’ with Design No. 450940-001 and Journal Date. 06/06/2025.

6. UK Design Patent titled ‘ORIGAMI-INSPIRED FOLDABLE HEAT EXCHANGER PANEL’ Design number: 6485214, Grant date: 18 November 2025, Registration date: 12 November 2025.

7. Design Patent titled ‘WINGLET FOR AUTONOMOUS AERIAL VEHCILE’ with Design No. 496755-001 and Journal Date. 30/03/2026.

1. Kousik Kumaar. R, ‘Study of Tribological Behaviour of Aluminium-Cenosphere Composite Materials’, Nehru International Journal of Engineering and Technology, ISSN: 2348 – 6007, Volume 2 - Issue. 01, January - March 2015, pg.no: 01-07.

2. Kousik Kumaar. R, Dr. P. Maniiarasan, ‘Reduction of Skin Friction Drag in Wings by Employing Riblets’, International Journal of Engineering Research & Technology (IJERT), ISSN: 2278-0181, Volume 4 - Issue. 07, July – 2015, pg.no: 46-51.

3. Kousik Kumaar. R, Kannan.G, ‘Optimization of Coefficient Of Friction Value for Aluminium-Cenosphere Composite Material’, International Journal of Applied Engineering Research (IJAER) (SCOPUS indexed journal and Annexure – II of Anna University, Chennai (2015)), ISSN: 0973-4562, Vol. 10, No. 84, 2015, pg.no: 41-45, © Research India Publications; http/www.ripublication.com/ijaer.html.

4. Kousik Kumaar. R, Kesavan.M, ‘Design and CFD Analysis of Shock Wave over Supersonic CD Nozzle’, International Journal of Latest Trends in Engineering and Technology (IJLTET), e-ISSN: 2278-621X, p-ISSN: 2319-3778, Vol. 07 Issue. 01, May 2016, pg.no: 502-510.

5. Kousik Kumaar. R, Kannan.G and Boopathy.G and Surendar.G, ‘Fabrication and Computational Analysis of Cenosphere Reinforced Aluminum Metal Matrix Composite Disc Brakes’, International Journal of Mechanical Engineering and Technology (IJMET), ISSN Print: 0976-6340 and ISSN Online: 0976-6359 (SCOPUS indexed journal), Vol 8, Issue 6, June 2017, pg.no. 553–563, © IAEME Publication.

6. Kannan.G and Kousik Kumaar. R, ‘Design Fabrication of EDF- Afterburner Test Rig’, International Journal of Mechanical Engineering and Technology (IJMET), ISSN Print: 0976-6340 and ISSN Online: 0976-6359 (SCOPUS indexed journal), Volume 9, Issue 6, June 2018, pp. 178–181, © IAEME Publication.

7. Preethi. S and Kousik Kumaar. R, ‘CFD Analysis on Grid Fins to Enhance Safe Booster Relanding System’, International Journal of Scientific & Engineering Research (IJSER), ISSN: 2229-5518, Volume 12, Issue 8, August-2021.

8. Kousik Kumaar. R, Dr. K. Somasundara Vinoth and Dr. M. Kavitha, ‘Dry Sliding Wear Performance of AA7075/MoS2 Composite Materials’, Journal of Engineering Research (JER), ISSN: 2307-1877 and Online ISSN: 2307-1885 (Elsevier, Scopus and Annexure of Anna University, Chennai), October - 2021. DOI: https://doi.org/10.36909/jer.11447.

9. Kousik Kumaar. R, M. Senthil kumar, S. Chandrasekar and N. R. Gowtham, ‘Performance Optimization of Convergent – Divergent Nozzle under Different Inlet Conditions’, AIP Conference Proceedings 2446, 180018 (2022); https://doi.org/10.1063/5.0108153.

10. Kousik Kumaar. R, M. Senthil Kumar, S. Sabariarun, V. Sathish, S. Srikaanth and S. Vimal, ‘Investigation of Material Properties of Natural and Synthetic Fiber Hybrid Composite Material’, AIP Conference Proceedings 2446, 040009 (2022); https://doi.org/10.1063/5.0108147.

11. Kousik Kumaar R, Boopathy G, Bovas Herbert Bejaxhin A, Ramanan N, ‘Considerations on Fractured Edge Dislocations of Mechanical Tested Hand Laid Hemp Flax GFRP Hybrid Polymer Composites with SEM verifications’, Journal of Polymer & Composites (WoS), 2024; 11(13):1-19; https://journals.stmjournals.com/jopc/article=2024/view=133571

12. Kousik Kumaar R, Somasundara Vinoth K, Srikanth H V, Boopathy G, ‘Influence of the Load, Sliding Speed, and Weight Fractions on Wear of a Hybrid Aluminium Metal Matrix Composite’, Journal of Polymer & Composites (WoS), 2024; 11(13):188-198; https://journals.stmjournals.com/jopc/article=2024/view=143179. 

13. Kousik Kumaar Rajagopal, Somasundara Vinoth Kannappan, Senthil Kumar Madasamy, Beena Stanislaus Arputharaj, Parvathy Rajendran, Ahmed Hassan Deif, Vijayanandh Raja ‘Experimental Studies on Microstructural, Physical, and Mechanical Characterizations of Hybrid Aluminium Metal Matrix Composites Incorporated with Cenosphere and Molybdenum Disulphide’, Journal of Engineering (Q2 Journal), vol. 2024, Article ID 5964256, 15 pages, 2024. https://doi.org/10.1155/2024/5964256.

14. Kousik Kumaar. R, Jini Raj. R, Srikanth H V, M. Kesavan, “Numerical Simulations of Flow and Flame characteristics of Double Cavity Trapped Vortex Combustor”, Jordan Journal of Mechanical and Industrial Engineering (JJMIE) (Q2, Scopus and WoS), Volume: 18, Number: 4, December 2024, ISSN: 1995-6665, Pages: 835- 845, DOI: https://doi.org/10.59038/jjmie/180415.

15. Kousik Kumaar. R, et al., ‘Investigation of aerodynamic characteristics of chord-wise camber morphing airfoil using a bioinspired FishBAC concept’, AIP Conference Proceedings (Scopus), 3259, 030005 (2025); https://doi.org/10.1063/5.0261923.

16. Kousik Kumaar R. et al., 'Investigation of Expansion Characteristics of Convergent–Divergent Nozzles with a Variable Geometry Sudden Expanded Duct', SAE International Journal of Aerospace (Scopus), 18(2):149-166, 2025, https://doi.org/10.4271/01-18-02-0010.

17. Kousik Kumaar. R. et al., ‘Effect of Rubber Seed Oil Biodiesel Additive on Compression Ignition Engines fuelled with Diesel-Ethanol Blends’, Journal Tehnički glasnik - Technical Journal (TG-TJ) (Scopus and Q3), 20(1), 2026, 16-22, https://doi.org/10.31803/tg-20240108075239.

18. Kousik Kumaar. R et al., ’Numerical Evaluation of Axial Swirler Designs for Swirl-Stabilized Non-Premixed Combustion’, Interactions (Scopus and Q2) 247(134), 2026, https://doi.org/10.1007/s10751-026-02451-8.

19. DV Panchksharayya, Jini Raj. R, Deepak Kumar Pandiyan, Praveen N, and Kousik Kumaar R. 'Numerical Estimation of Base Pressure and Thrust in Base and Curved Nozzles Under Micro Jet Conditions', Journal of Aeronautics, Astronautics and Aviation (Scopus and Q3), 58, no.5, 2026: 623-637. Accessed July 3, 2026. Airiti Library. doi:10.6125/JoAAA.202605_58(5).03.

1. Kousik Kumaar. R, Saravanan.V, Dr. P.R. Thyla, ‘Study of Aluminium-Cenosphere Metal Matrix Composite by Stir Casting Route’ in International Convention on Innovations in Engineering and Technology for Sustainable Development (IETSD 2012) held at Bannari Amman Institute of Technology, Sathyamangalam on 03rd – 05th September 2012.

2. Kousik Kumaar. R ‘Construction and Analysis of Regression Equation for Tribological Properties of Alumninium-Cenosphere Composites’ in International Conference on Contemporary Innovations in the Sphere of Mechanical Engineering and Management (ICCISMEM 2015) held at Sri Subramanya College of Engineering and Technology, Palani, Tamil Nadu, India on 30th & 31st March 2015.

3. Kousik Kumaar. R, Kannan.G ‘Optimization of Coefficient Of Friction Value for Aluminium-Cenosphere Composite Material’ in National Conference on Design, Materials & Constructions (NCDMC 2015) held at Vel Tech Dr. RR & Dr. SR Technical University, Chennai on 20th – 22nd August 2015.

4. Kousik Kumaar. R, Kannan.G and Boopathy.G ‘Design and Finite Element Analysis of Aluminium Cenosphere Composite Disc Brakes’ in National Conference on Design, Materials & Constructions (NCDMC 2017) held at Vel Tech Dr. RR & Dr. SR Technical University, Chennai on 21st & 22nd April 2017.

5. Kousik Kumaar. R, S. Karthikeyan, K. Arunjunai Ananth and S. Karthikeyan ‘Analytical and Experimental Comparative Study of Coaxial Jet’ in International conference on Science, Technology, Engineering and Management (ICSTEM’19) held at KIT-Kalaignarkarunanidhi Institute of Technology, Coimbatore on 22nd & 23rd March 2019.

6. Kousik Kumaar. R, Senthil Kumar. M, Sabariarun. S, Sathish. V, Srikaanth. S, Vimal. S ‘Investigation of Material Properties of Natural and Synthetic Fiber Hybrid Composite Material’ in International Conference on Materials Research in Science and Engineering (KMRSE’21) held at Kumaraguru College of Technology, Coimbatore on 23rd to 25th July 2021 (Virtual Mode).

7. Kousik Kumaar. R, Senthil Kumar M, Chandrasekar. S, Gowtham. N.R. ‘Performance Optimization of Convergent – Divergent Nozzle Under Different Inlet Conditions’ in International Conference on Materials Research in Science and Engineering (KMRSE’21) held at Kumaraguru College of Technology, Coimbatore on 23rd to 25th July 2021 (Virtual Mode).

8. Kousik Kumaar. R, Dr. K. Somasundara Vinoth, Dr. M. Kavitha, ‘Parametric Influence Investigation of Hybrid AMMCs Under Dry Sliding Wear using Response Surface Methodology’ in 3rd International Conference on Material Science, Smart Structures and Applications (ICMSS 2023) organized by the Department of Mechanical Engineering & Department of Electronics and Communication Engineering, Surya Engineering College, Erode, Tamil Nadu, India held on 27th & 28th March 2023.

9. Kousik Kumaar. R, Muthumari T, Kesavan M, Saravanan M, ‘Enhancing The Performance of UAV Propeller Using Bio-Inspired Humpback Whales Tubercle - A Parametric Study at The Hub and Tip Locations’ in Second International Conference on Modern Research in Aeronautical Engineering (MRAE 2023) held at Amity University, Uttar Pradesh on 21st and 22nd September 2023.

10. Kousik Kumaar. R, Boopathy G, Bovas Herbert Bejaxhin A, Ramanan N, ‘Considerations on Fractured Edge Dislocations of Mechanical Tested Hand Laid Hemp Flax GFRP Hybrid Polymer Composites with SEM verifications’ in Fourth International Conference on Emerging Trends in Civil, Aeronautical and Mechanical Engineering (ERCAM 2023) held at Nitte Meenakshi Institute of Technology, Bengaluru on 22nd and 23rd September 2023.

11. Kousik Kumaar. R, K. Somasundara Vinoth, Srikanth H V, Boopathy G, ‘Influence of the Load, Sliding Speed, and Weight Fractions on Wear of a Hybrid Aluminium Metal Matrix Composite’ in Fourth International Conference on Emerging Trends in Civil, Aeronautical and Mechanical Engineering (ERCAM 2023) held at Nitte Meenakshi Institute of Technology, Bengaluru on 22nd and 23rd September 2023.

12. Kousik Kumaar. R, Jini Raj. R, Srikanth H V, Deepak Kumar. P, 'Numerical Simulations of Flow and Flame characteristics of Double Cavity Trapped Vortex Combustor', in National Conference on Research and Developments in Aeronautical Engineering (RDAE) 2024 held at Department of Aeronautical Engineering, Annasaheb Dange College of Engineering and Technology, Ashta, Sangli, Maharashtra on 15th and 16th March 2024. 

13. Kousik Kumaar. R, Brinda. R, Sanjana. R, Tejaswini. N. S, 'CFD Analysis of a Convergent-Divergent Nozzle in Supersonic Quenching for Metal Extraction from Composite Waste', in the Global Conference on Aeronautical, Aerospace and Mechanical Sciences (GCAAMS) 2024, organized by Department of Aeronautical & Mechanical Engineering, Global Academy of Technology, on 03rd and 04th May, 2024.

14. Kousik Kumaar. R, Ishma Saifi, Sanjana H.S., Sunidhi S. K, Srikanth H.V, 'Aerodynamic Enhancement of Turbofan Engine Turbine Blades for Improved Supersonic Performance', in the Global Conference on Aeronautical, Aerospace and Mechanical Sciences (GCAAMS) 2024, organized by Department of Aeronautical & Mechanical Engineering, Global Academy of Technology, on 03rd and 04th May, 2024.

15. Jini Raj. R, Sathya Narayanan. N, Kingston Stanley. P, Praveen. N, Srikanth. H. V, Kousik Kumaar. R, ‘Investigation of aerodynamic characteristics of chord-wise camber morphing airfoil using a bioinspired FishBAC concept’, in the Global Conference on Aeronautical, Aerospace and Mechanical Sciences (GCAAMS) 2024 organized by Department of Aeronautical & Mechanical Engineering, Global Academy of Technology, on 03rd and 04th May, 2024.

16. Aiman Fathima, Kousik Kumaar. R, Jini Raj. R and Srikanth H V, ‘Impact Resistance Analysis of Nickel Foam Core Sandwich Composite Using Response Surface Methodology’, in Fifth International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2024), Nitte Meenakshi Institute of Technology, Bengaluru on 12th and 13th December 2024.

17. Sridhar. K, Mohan Kumar G.C, Kousik Kumaar. R and Srikanth H V, ‘Experimental Analysis of Multi Cell Circular Composite shell under Axial Compressive Load', in Fifth International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2024) held at Nitte Meenakshi Institute of Technology, Bengaluru on 12th and 13th December 2024.

18. Jini Raj. R; Priyashree. B, Srikanth H V, Kousik Kumaar. R, Praveen N, ‘Hydrodynamic Performance Assessment of Various AUV Configuration Through CFD', in Fifth International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2024) held at Nitte Meenakshi Institute of Technology, Bengaluru on 12th and 13th December 2024.

19. Tejas K, Mohammed Sahul Hameed, Prajwal Achar and Kousik Kumaar. R, ‘Design and Analysis of Grid Fins for Subsonic Speed’, in International Conference on Sustainable Air & Space Technologies (ICSAST 2025) held at Karunya Institute of Technology and Sciences, Coimbatore on 25th and 26th April 2025.

20. Kousik Kumaar R, Chandhni Rakshitha B, Deepika S and Guddeti Gouthami, ‘Performance Enhancement of NACA 4415 Airfoil for AAI RQ-7 Shadow UAV Using Leading-Edge Serration’, in International Conference on Sustainable Air & Space Technologies (ICSAST 2025) held at Karunya Institute of Technology and Sciences, Coimbatore on 25th and 26th April 2025.

21. Panchksharayya DV, Jini Raj. R, Deepak Kumar Pandiyan, Praveen N and Kousik Kumaar R, ‘Numerical Estimation of Base Pressure and Thrust in Base and Curved Nozzles Under Micro Jet Conditions’, in International Conference on Sustainable Air & Space Technologies (ICSAST 2025) held at Karunya Institute of Technology and Sciences, Coimbatore on 25th and 26th April 2025.

22. Jini Raj R, Bhagyashree Parasharam Balekundri, Dharigouda S Patil, Sanskruti S Chinchewadi, Kousik Kumaar R, ‘Designing and Aerodynamic Investigation of a Hypersonic Inlet Inspired from Prawn Rostrum Architecture’, in International Conference on Sustainable Air & Space Technologies (ICSAST 2025) held at Karunya Institute of Technology and Sciences, Coimbatore on 25th and 26th April 2025.

23. Kousik Kumaar R, Anamika Nambala, Jini Raj R, Kesavan M and Muthumari T, ‘Computational Study of Supersonic Quenching in Nozzle-Based Metal Recovery from Composite Waste’, in International Conference on Sustainable Air & Space Technologies (ICSAST 2025) held at Karunya Institute of Technology and Sciences, Coimbatore on 25th and 26th April 2025.

24. Jini Raj R, Kousik Kumaar R, Praveen N, Deepak Kumar P and Srikanth H V, ‘High-Accuracy CFD Analysis of a Thrust-Optimized Bell Nozzle Under Extreme High-Altitude Conditions’ in Third International Conference on Modern Research in Aeronautical Engineering (MRAE 2025) held at Amity University, Uttar Pradesh on 25th and 26th September 2025.

25. Kousik Kumaar R, Jini Raj R, Panchksharayya D V and Kesavan M, ‘CFD-Based Hydrodynamic Analysis of AUV Nose Designs Using Advanced Profile Geometries’ in Third International Conference on Modern Research in Aeronautical Engineering (MRAE 2025) held at Amity University, Uttar Pradesh on 25th and 26th September 2025.

26. Suthan R, Kumar G N, Kousik Kumaar R, ’Numerical Evaluation of Axial Swirler Designs for Swirl-Stabilized Non-Premixed Combustion’ in International Conference on Materials and Processing for Sustainable Development: Empowering the Future with Smart Technologies (MPSD-EFT 2026), held at Sri Ramakrishna Engineering College, Coimbatore on 13th and 14th February 2026.

27. Kousik Kumaar R, Jini Raj R, Kesavan M and Vishnuraj R, ’Performance Enhancement of NACA 4415 Airfoil for UAVs Using Leading-Edge Serration’ in First International Conference on Advanced Multidisciplinary Innovations in Science & Engineering for Industry 5.0 (AMISE 5.0), held at Dayananda Sagar Academy of Technology & Management (DSATM), Bengaluru on 28th March 2026.