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Dr-Balajee-Ramakrishnananda_asst-prof_aerospace-engg_engineering_amritauniversity_coimbatore

Dr. Balajee Ramakrishnananda

Vice Chairperson | Associate Professor, Department of Aerospace Engineering, School of Engineering, Coimbatore

Qualification: Ph.D
r_balajee@cb.amrita.edu
Orcid Profile
Dr. Balajee Ramakrishnananda's Google Scholar Profile
Scopus Author ID
Research Interest: Computational Fluid Dynamics, Micro Aerial Vehicles, Bio-Inspired Designs, Wind Turbines, Transonic Flow.
Date of Joining: 07/01/2021
Nature of Association: Regular

Bio Publications Research Activities Funded Projects FDP / Workshops/Invited Talks Awards /Conferences
Bio

Dr. Balajee Ramakrishnananda got his Doctoral Degree from Nanyang Technological University, Singapore, in 1997. He obtained his Masters degree from IISc, Bangalore and B. Tech. from IIT, Madras. Prior to joining Amrita, he was working as a Software Engineering Manager at AMD, Hyderabad in the area of GPGPU Computing. He had also worked as a Scientist-B at National Aerospace Laboratories, Bangalore in the area of Transonic Wind Tunnel Testing. He has worked for several years in the Military & Flight Simulation fields in product development and managerial roles in Singapore and Hyderabad. He had also worked on physics based animation where he placed aerodynamics and flight mechanics of birds in a perspective suited for computer animation. He has worked on Wind Turbine Aerofoil design and his research interests include application of CFD to transonic flows, Micro Aerial Vehicles and Wind Turbines.

Areas of Research

  • Micro Aerial Vehicles
  • Wind Turbines
  • Applied Computational Fluid Dynamics
  • Hypersonic Flow
  • Propulsion
  • Compressible Fluid Flow
Publications

Conference Paper

Year : 2025

Aerodynamic Study of Effect of Chord Ratio of a Tandem Wing Configuration in Martian Atmosphere

Cite this Research Publication : Jayalakshmi Kandhavel, Samyuktha Manjushree Nair, Sneha Devan Koothraveettil, Balajee Ramakrishnananda, Anand Raj Hariharan, Aerodynamic Study of Effect of Chord Ratio of a Tandem Wing Configuration in Martian Atmosphere, Lecture Notes in Mechanical Engineering, Springer Nature Singapore, 2025, https://doi.org/10.1007/978-981-96-7576-0_30

Publisher : Springer Nature Singapore

Year : 2023

An Aerodynamic Model for Gliding Snake-Bots

Cite this Research Publication : Aich, H., Akella, S.P., Ramakrishnananda, B., Kumar, T.R.S. (2023). An Aerodynamic Model for Gliding Snake-Bots. In: Karakoc, T.H., Le Clainche, S., Chen, X., Dalkiran, A., Ercan, A.H. (eds) New Technologies and Developments in Unmanned Systems. ISUDEF 2022. Sustainable Aviation. Springer, Cham. https://doi.org/10.1007/978-3-031-37160-8_6

Publisher : Springer

Year : 2023

Sizing of Inter-City Electric Vertical Take-off and Landing Aircraft

Cite this Research Publication : Thangeswaran, R. S. K., Ramakrishnananda, B., Ganesan, A. K. A., Srikanth, R., Sankaran, R., Patnaik, S., & Sekar, S. P. (2023, June). Sizing of Inter-City electric vertical take-off and landing aircraft. In AIP Conference Proceedings (Vol. 2766, No. 1). AIP Publishing.

Publisher : AIP Publishing

Year : 2022

Aerodynamic Effects of Airfoil Shape on Tandem Airfoil Configuration in Low-Reynolds-Number Transonic Flows

Cite this Research Publication : Vinodh, N., Sridhar, A., Sreekanth, P. A., Srinivasan, N., Vetrrivel, S. K., Ramakrishnananda, B., & Kumar, T. R. S. (2022, May). Aerodynamic Effects of Airfoil Shape on Tandem Airfoil Configuration in Low-Reynolds-Number Transonic Flows. In International Symposium on Unmanned Systems and The Defense Industry (pp. 229-233). Cham: Springer International Publishing.

Publisher : Springer

Year : 2019

Effects of cross-sectional shapes on the aerodynamic characteristics of bio-inspired airfoils

Cite this Research Publication : Naveen Bharath Raj Thirumurugan, Naveen Kumar Gnanaprakasam, Jayanth Suresh, Balajee Ramakrishnananda, Rajesh Senthil Kumar Thangeswaran, Neeraj Srinivas, Sowmya Ravichandran"Effects of cross-sectional shapes on the aerodynamic characteristics of bio-inspired airfoils", international conference on applied mechanics and optimisation (icameo-2019)

Publisher : AIP Conference Proceedings

Year : 2019

Turn Control in Wings Inspired by Flying Snakes

Cite this Research Publication : S. P., R, K. Ramana, Saroj Harikrishn Gopi, Dr. Balajee Ramakrishnananda, and Rajesh Senthil Kumar T., “Turn Control in Wings Inspired by Flying Snakes”, International Conference on Applied Mechanics and Optimisation Published as AIP Conference Proceedings, vol. 2134. American Institute of Physics Inc., MBCET, Thiruvananthapuram, 2019.

Publisher : International Conference on Applied Mechanics and Optimisation Published as AIP Conference Proceedings

Year : 2019

A Genetic Algorithm Approach to Design Aerofoils for Small Wind Turbines

Cite this Research Publication : Saran Kumar Komari, Annapoorna Sreekumar, Dr. Balajee Ramakrishnananda, and Rajesh Senthil Kumar T., “A Genetic Algorithm Approach to Design Aerofoils for Small Wind Turbines”, International Conference on Applied Mechanics and Optimisation Published as AIP Conference Proceedings, vol. 2134. American Institute of Physics Inc., MBCET, Thiruvananthapuram, 2019.

Publisher : International Conference on Applied Mechanics and Optimisation 2019, ICAMeO 2019, Published as AIP Conference Proceedings, American Institute of Physics Inc., Volume 2134, Mar Baselios College of Engineering and Technology (MBCET)

Year : 2019

Aerodynamic Characteristics of Avian Airfoils

Cite this Research Publication : Rajesh Senthil Kumar T., Shriram, S. V., G. Pranay chowdary, Sagar, J. T. S. V., and Dr. Balajee Ramakrishnananda, “Aerodynamic Characteristics of Avian Airfoils”, International Conference on Applied Mechanics and Optimisation Published as AIP Conference Proceedings, vol. 2134, 1 vol. American Institute of Physics Inc., MBCET, Thiruvananthapuram, 2019.

Publisher : International Conference on Applied Mechanics and Optimisation 2019, ICAMeO 2019, Published as AIP Conference Proceedings, American Institute of Physics Inc

Year : 2017

Modeling Non-Equilibrium Glides in Flying Snakes

Cite this Research Publication : Saroj Harikrishn Gopi, Divyendu Kishore Valappil, Dr. Balajee Ramakrishnananda, Rajesh Senthil Kumar T., and Viswesh Sujjur Balaramraja, “Modeling Non-Equilibrium Glides in Flying Snakes”, 2017 International Conference on Advances in Computing, Communications and Informatics (ICACCI). Manipal, 2017.

Publisher : 2017 International Conference on Advances in Computing, Communications and Informatics (ICACCI)

Year : 2017

Computational Study of Effects of Icing on Wind Turbine Airfoil Performance

Cite this Research Publication : Prasanth Kowsik K, Thamizharasan K, Anjana L, Gokul Krishnan R, Dr. Balajee Ramakrishnananda, and Rajesh Senthil Kumar T., “Computational Study of Effects of Icing on Wind Turbine Airfoil Performance”, in 44th National Conference on Fluid Mechanics and Fluid Power (FMFP-2017), Amritapuri, Kollam, India, 2017.

Publisher : 44th National Conference on Fluid Mechanics and Fluid Power (FMFP-2017)

Year : 2016

Modelling the Undulation Patterns of Flying Snakes

Cite this Research Publication : Viswesh Sujjur Balaramraja, S. Sankrityayan, E., Sivagurunathan, S. Coimbatore, Dr. Balajee Ramakrishnananda, and Rajesh Senthil Kumar T., “Modelling the Undulation Patterns of Flying Snakes”, International Conference on Advances in Computing. Communications and Informatics (ICACCI-2016), Jaipur, India, 2016.

Publisher : International Conference on Advances in Computing, Communications and Informatics (ICACCI-2016)

Year : 2015

Simulation of Flow Past a Wing Inspired by Flying Snakes

Cite this Research Publication : Vertika Saxena, Dr. Balajee Ramakrishnananda, and Rajesh Senthil Kumar T., “Simulation of Flow Past a Wing Inspired by Flying Snakes”, Fourth International Conference on Advances in Computing, Communications and Informatics (ICACCI-2015). Institute of Electrical and Electronics Engineers Inc., Kochi, pp. 720-725, 2015.

Publisher : Fourth International Conference on Advances in Computing, Communications and Informatics (ICACCI-2015)

Year : 2015

Computational Study of the Aerodynamics of the Gliding Snake Chrysopelea Paradisi

Cite this Research Publication : Dr. Balajee Ramakrishnananda, Vigneshwaran Krishnamurthy, Nithyalakshmi Venkatraman, Nandita Nurani Hari, Akshay Varaparla, and Rajesh Senthil Kumar T., “Computational Study of the Aerodynamics of the Gliding Snake Chrysopelea Paradisi”, in 1st International Conference on Advanced Engineering and Technology for Sustainable development (ICAETSD - 2015), Karpagam College of Engineering, Coimbatore, 2015, vol. 5.

Publisher : 1st International Conference on Advanced Engineering and Technology for Sustainable development (ICAETSD - 2015)

Year : 2014

Theoretical Optimization of Airfoils for Different Wind Turbine Conditions

Cite this Research Publication : Madhushree M., Raghunadh Malla Venkata, Mohammed Abdul Junaid, Rajasekaran Akash, and Dr. Balajee Ramakrishnananda, “Theoretical Optimization of Airfoils for Different Wind Turbine Conditions”, in International Conference on Contemporary Challenges in Management, Technology and Social Sciences(Also published as Handbook of Management, Technology and Social Sciences edited by S. Pandey and Jain Singh organized by SEMS and MGIMT, MGIMT, Lucknow, India, 2014.

Publisher : International Conference on Contemporary Challenges in Management, Technology and Social Sciences (Also published as Handbook of Management, Technology and Social Sciences edited by S. Pandey and Jain Singh organized by SEMS and MGIMT)

Year : 2013

Aerofoils for Small Vertical Axis Wind Turbines

Cite this Research Publication : Dr. Balajee Ramakrishnananda, Rakesh Krishnan, R.R. RevathyPriya, Akshay Basavara, and Sivaranjani Ganapathy Santhanam, “Aerofoils for Small Vertical Axis Wind Turbines”, in National Conference on Wind Tunnel Testing (NCWT-03) [CD-ROM], Vikram Sarabhai Space Centre, Thiruvananthapuram, Kerala, India, 2013.

Publisher : National Conference on Wind Tunnel Testing (NCWT-03) [CD-ROM]

Year : 1998

Litter Bug

Cite this Research Publication : Dr. Balajee Ramakrishnananda, Wong, K. C., Lim, S. K., Goh, L. L., and Low, B. H., “Litter Bug”, in SIBGRAPI '98 Video Festival, 1998 International Symposium of Computer Graphics, Image Processing and Vision, Rio de Janeiro, Brazil, Rio de Janeiro, Brazil, 1998.

Publisher : SIBGRAPI '98 Video Festival

Year : 1994

Numerical Study of Viscous Turbulent Flow Through Planar and Axisymmetric Nozzles

Cite this Research Publication : Dr. Balajee Ramakrishnananda and Damodaran M., “Numerical Study of Viscous Turbulent Flow Through Planar and Axisymmetric Nozzles”, in 14th International Conference on Numerical Methods in Fluid Dynamics, Bangalore, India, 1994.

Publisher : 14th International Conference on Numerical Methods in Fluid Dynamics

Year : 1994

Computational study of aerodynamic flows inside nozzles

Cite this Research Publication : Dr. Balajee Ramakrishnananda and Damodaran, M., “Computational study of aerodynamic flows inside nozzles”, in International Pacific Air & Space Technology Conference, Singapore, 1994.

Publisher : Society of Automotive Engineers, Singapore

Journal Article

Year : 2020

Aerodynamic Performance Estimation of Camber Morphing airfoils for Small Unmanned Aerial Vehicle

Cite this Research Publication : R. Senthil Kumar.T, .Sivakumar, V., Dr. Balajee Ramakrishnananda, and Soorya.S, V., “Aerodynamic Performance Estimation of Camber Morphing airfoils for Small Unmanned Aerial Vehicle”, Journal of Aerospace Technology and Management, Volume 12, Issue 12020 Article number e1420

Publisher : Journal of Aerospace Technology and Management

Year : 2019

Numerical Analysis of Discrete Element Camber Morphing Airfoil in the Reynolds Number of Conventional Flyers

Cite this Research Publication : Rajesh Senthil Kumar T., Nikitha Narayanaprasad, Yashmitha Kumaran, Sivakumar, V., and Dr. Balajee Ramakrishnananda, “Numerical Analysis of Discrete Element Camber Morphing Airfoil in the Reynolds Number of Conventional Flyers”, In: Chandrasekhar U., Yang LJ., Gowthaman S. (eds) Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018), Lecture Notes in Mechanical Engineering, pp. 187-193, 2019.

Publisher : Lecture Notes in Mechanical Engineering, In: Chandrasekhar U., Yang LJ., Gowthaman S. (eds) Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018), Pleiades Publishing

Year : 2018

Studies on Effusion Cooling: Impact of Geometric Parameters on Cooling Effectiveness and Coolant Consumption

Cite this Research Publication : V. Venkatesh, Sriraam J., Bala Vignesh D., K., S., Dr. Ratna Kishore V., Dr. Srikrishnan A. R., Dr. Balajee Ramakrishnananda, and Suresh Batchu, “Studies on Effusion Cooling: Impact of Geometric Parameters on Cooling Effectiveness and Coolant Consumption”, Aerospace Science and Technology, vol. 77, pp. 58 - 66, 2018.

Publisher : Aerospace Science and Technology

Year : 2017

Numerical Investigation of Two Element Camber Morphing Airfoil in Low Reynolds Number Flows

Cite this Research Publication : Rajesh Senthil Kumar T., Dr. Sivakumar V., Dr. Balajee Ramakrishnananda, Arjhun, A. K., and , “Numerical Investigation of Two Element Camber Morphing Airfoil in Low Reynolds Number Flows”, Journal of Engineering Science and Technology, vol. 12, pp. 1939-1955, 2017.

Publisher : Journal of Engineering Science and Technology, Taylor's University,

Year : 2015

Computational Study of the Aerodynamics of the Gliding Snake Chrysopelea Paradisi

Cite this Research Publication : Vigneshwaran Krishnamurthy, Nithyalakshmi Venkatraman, Nandita Nurani Hari, Akshay Varaparla, Dr. Balajee Ramakrishnananda, and Rajesh Senthil Kumar T., “Computational Study of the Aerodynamics of the Gliding Snake Chrysopelea Paradisi”, International Journal of Applied Engineering Research, vol. 10, no. 9, pp. 14476-14479, 2015.

Publisher : International Journal of Applied Engineering Research, Research India Publications

Year : 2015

Design of a New Aerofoil for Low Starting Wind Speeds for a Small VAWT

Cite this Research Publication : P. Pulikkul Purushothaman, Shankar, R. Ravi, Hariharan, S. K., G. Siddhardha, M., and Dr. Balajee Ramakrishnananda, “Design of a New Aerofoil for Low Starting Wind Speeds for a Small VAWT”, International Journal of Applied Engineering Research, vol. 10, no. 19, pp. 14480-14484, 2015.

Publisher : International Journal of Applied Engineering Research

Year : 1999

Animating Bird Flight Using Aerodynamics

Cite this Research Publication : Dr. Balajee Ramakrishnananda and Wong, K. C., “Animating Bird Flight Using Aerodynamics”, Visual Computer, vol. 15, pp. 494-508, 1999.

Publisher : Visual Computer

Year : 1995

Numerical Study of Viscous Compressible Flow Inside Planar and Axisymmetric Nozzles

Cite this Research Publication : Dr. Balajee Ramakrishnananda and Murali Damodaran, “Numerical Study of Viscous Compressible Flow Inside Planar and Axisymmetric Nozzles”, Lecture Notes in Physics, vol. 453, pp. 508-512, 1995.

Publisher : Lecture Notes in Physics

Conference Proceedings

Year : 2019

Reynolds Number Effects on Wings Inspired by Flying Snakes

Cite this Research Publication : Divyendu Kishore Valappil, Zakir, F., Ravindran, J., Dr. Balajee Ramakrishnananda, and Rajesh Senthil Kumar T., “Reynolds Number Effects on Wings Inspired by Flying Snakes”, International Conference on Applied Mechanics and Optimisation (Presented as Poster Presentation). MBCET, Thiruvananthapuram, 2019.

Publisher : International Conference on Applied Mechanics and Optimisation (Presented as Poster Presentation)

Year : 2018

Objective Function Formulation for Small Wind Turbine Aerofoil Design

Cite this Research Publication : Annapoorna Sreekumar and Dr. Balajee Ramakrishnananda, “Objective Function Formulation for Small Wind Turbine Aerofoil Design”, 3rd IEEE Biennial international conference on Power & Energy Systems: Towards sustainable energy - 2018 (PESTSE - 2018) *Recipient of "Prof. Muhammad Harunur Rashid” best paper award along with a cash prize of Rs. 5000. 2018.

Publisher : 3rd IEEE Biennial international conference on Power Energy Systems: Towards sustainable energy - 2018 (PESTSE - 2018) *Recipient of Prof. Muhammad Harunur Rashid” best paper award along with a cash prize of Rs. 5000.

Year : 2018

Numerical Analysis of Discrete Element Camber Morphing Airfoil in the Reynolds number of Conventional Flyers

Cite this Research Publication : R. Senthil Kumar.T, Nikitha Narayanaprasad, Yashmitha Kumaran, .V, S., and Dr. Balajee Ramakrishnananda, “Numerical Analysis of Discrete Element Camber Morphing Airfoil in the Reynolds number of Conventional Flyers”, 3rd International Conference on Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering. Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology, Chennai, 2018.

Publisher : 3rd International Conference on Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering, Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology, Chennai .

Year : 2015

Design of a New Aerofoil for Low Starting Wind Speeds for a Small VAWT

Cite this Research Publication : Dr. Balajee Ramakrishnananda, Purushothaman, P. Pulikkul, Shankar, R. Ravi, ,, and G. S.K., M. Siddhardha, “Design of a New Aerofoil for Low Starting Wind Speeds for a Small VAWT”, 1st International Conference on Advanced Engineering and Technology for Sustainable development (ICAETSD - 2015), vol. 5. Karpagam College of Engineering, Coimbatore, 2015.

Publisher : 1st International Conference on Advanced Engineering and Technology for Sustainable development (ICAETSD - 2015)

Year : 1999

Animating Bird Flight Using Aerodynamics

Cite this Research Publication : Dr. Balajee Ramakrishnananda and Wong, K. C., “Animating Bird Flight Using Aerodynamics”, Technical Sketch, SIGGRAPH 99 Conference Abstracts and Application and ACM SIGGRAPH, Computer Graphics Annual Conference. Los Angeles, California, p. 230, 1999.

Publisher : Technical Sketch, SIGGRAPH 99 Conference Abstracts and Application and ACM SIGGRAPH, Computer Graphics Annual Conference, Los Angeles, California,

Research Reports

Year : 2008

Intelligent animation programme: theoretical and computation frameworks for computer animation of real and imaginary flying creatures

Cite this Research Publication : Wong, Kok Cheong. (2008) “Intelligent animation programme: theoretical and computation frameworks for computer animation of real and imaginary flying creatures.” Nanyang Technological University Research Report, Singapore

Research Activities

Research Activities

  • Co-guide for PhD student

Research Grants

  • Co-Principal Investigator for an ISRO funded project (project value – 8.6 lakhs) in CFD and Rocket Propulsion area entitled “Coking in Semi-cryogenic Engines: Studies on Predicting the Onset of Coking in a Heated Tube with Isrosene/Kerosene”, 2016-2017.
  • Co- Principal Investigator for a GTRE/DRDO funded Project (project value – 9.89 lakhs) entitled “Effusion Cooling for Gas Turbine Combustors: Studies on Enhancement of Cooling Effectiveness by Design Improvisation“, 2016-2017.
Funded Projects
  • Coking in Semi-cryogenic Engines: Studies on Predicting the Onset of Coking in a Heated Tube      with Isrosene / Kerosene, ISRO funded project (Co-PI)
  • Effusion Cooling for Gas Turbine Combustors: Studies on Enhancement of Cooling Effectiveness by Design Improvisation, GTRE funded project (Co-PI)
FDP / Workshops/Invited Talks

FDP / Workshops

  • FDP on WIND ENERGY, Resource person for Session – Aerodynamics, 27 – 30 June 2011, Amrita School of Engineering, Coimbatore, Tamil Nadu, India
  • FDP ON COMPUTATIONAL FLUID DYNAMICS AND APPLICATIONS, session – Fundamental Concepts of CFD, 17th to 21st June, 2011, Kumaraguru College of Technology, Coimbatore, Tamil Nadu, India

Invited Talks

  • “Aerodynamics – Basics and Inspirations from nature” – A series of two talks delivered at Kumaraguru College of Technology, Coimbatore on 26th August 2015.
Awards /Conferences

Awards

  • *Annapoorna Sreekumar and Balajee Ramakrishnananda, “Objective Function Formulation for Small Wind Turbine Aerofoil Design”, 3rd IEEE Biennial international conference on Power & Energy Systems: Towards sustainable energy – 2018  (PESTSE – 2018), Bangalore, Jan 2018, (Published)
    *Announced to be a recipient of “Prof. Muhammad Harunur Rashid” best paper award for top three selected papers along with a cash prize of Rs. 5000.
  • **Viswesh Sujjur Balaramraja, S. Eashwra Sankrityayan, Suraj Coimbatore Sivagurunathan, Balajee Ramakrishnananda, T. Rajesh Senthil Kumar: “Modelling the Undulation Patterns of Flying Snakes”, 2016 International Conference on Advances in Computing, Communications and Informatics (ICACCI-2016), Jaipur, India, pp 28-34, IEEE Xplore, Sep 2016.
    **Presented in the Best paper sessions.

Conferences

Conference Technical Program Committee Member:

  • 2017 International Conference on Advances in Computing, Communications and Informatics (ICACCI-2017), Manipal, India, Sep 2017.
  • 2018 International Conference on Advances in Computing, Communications and Informatics (ICACCI-2018), Bangalore, India, 2018.
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