All Stories

  1. State of the Art Digital Accountable and Customizable Aircraft Transit Inspection/Line Maintenance Toolbox for Enhancing the Aircraft Safety

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Manoj Kumar Paidisetty, Sanjay Singh

  2. Erratum: “A closed-form analytical model for predicting 3D boundary layer displacement thickness for the validation of viscous flow solvers” [AIP Adv. 8, 025315 (2018)]

    Article • AIP Advances, April 2023, American Institute of Physics

    Dr. SANAL KUMAR VR

  3. In vitro prediction of the lower/upper-critical biofluid flow choking index and in vivo demonstration of flow choking in the stenosis artery of the animal with air embolism

    Article • Physics of Fluids, October 2022, American Institute of Physics

    Dr. SANAL KUMAR VR

  4. Universal benchmark data of the three-dimensional boundary layer blockage and average friction coefficient for in silico code verification

    Article • Physics of Fluids, April 2022, American Institute of Physics

    Dr. SANAL KUMAR VR

  5. The Effects of Ground Clearance and Boundary Layer Blockage Factor on the Aerodynamics Performance of the Hyperloop Pod and Transonic Ground-Effect Aircraft

    Article • July 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  6. The theoretical prediction of the boundary-layer-blockage and external flow choking at moving aircraft in ground effects

    Article • Physics of Fluids, March 2021, American Institute of Physics

    Dr. SANAL KUMAR VR

  7. Nanoscale Flow Choking and Spaceflight Effects on Cardiovascular Risk of Astronauts – A New Perspective

    Article • January 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, VIGNESHWARAN SANKAR

  8. Deflagration to Detonation Transition in Chemical Rockets with Sudden Expansion/Divergence Regions

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Mr Roshan Vignesh Baskaran, Thianesh Urumandampalayam Krishnan, Dr. SANAL KUMAR VR, Mohan E

  9. Design Optimization of Dump Diffusers with NACA 66-021 Shaped Flame Tube

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    SUNDARARAJ K, Dr. SANAL KUMAR VR

  10. Genome Approach and Data Science Methods for Accelerated Discovery of New Solid Propellants with Desired Properties

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Alexander N Lukin, Thianesh Urumandampalayam Krishnan, Charlie Oommen, Dr. SANAL KUMAR VR

  11. The Application of Energetic Materials Genome Approach for Development of the Solid Propellants Through the Space Debris Recycling at the Space Platform

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Alexander N Lukin, Dr. SANAL KUMAR VR

  12. Conceptual Design and Contour Optimization of Altitude Compensation Nozzles for SSTO Vehicles

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Thianesh Urumandampalayam Krishnan, Dr. SANAL KUMAR VR

  13. Design of Pre-diffuser Cone for Dump Diffusers for Aero Gas Turbine Engines

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, SUNDARARAJ K

  14. Studies on Flame Spread Acceleration and Detonation Kernel in a Dual-thrust Rocket

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, VIGNESHWARAN SANKAR, Charlie Oommen, Ragupathi S

  15. A Conceptual Method to Recycle Space Debris into Fuels and Artificial Soil in the ISS for Numerous Applications

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  16. Experimental and Numerical Studies on Jet Acoustic Characteristics of Chevron Nozzles

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Darshana Shanmughasundaram, Thianesh Urumandampalayam Krishnan, SUNDARARAJ K, Sivaguru J, Vasanthakumar J

  17. External Flow Choking at the Landing Phase of Aircraft and Re-entry Vehicles

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  18. electromagnetic piston engine

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. Ashish Kumar, Dr. SANAL KUMAR VR, Thianesh Urumandampalayam Krishnan

  19. Development of the Multifactorial Computational Models of the Solid Propellants Combustion by Means of Data Science Methods –Phase III

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Alexander N Lukin, Charlie Oommen, Dr. SANAL KUMAR VR

  20. Design of an Uninterrupted Propulsion System for Spinning Planet Landers for Soft Landing

    Article • January 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr. Ashish Kumar

  21. Modeling of Sanal Flow Choking Condition and Design Optimization of High Performance Dual-thrust SRMs

    Article • July 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Roshan Vignesh Baskaran

  22. Prediction of 3D Boundary Layer Blockage and the Grain Design Optimization of HVT Dual-thrust Hybrid Rockets

    Article • July 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Roshan Vignesh Baskaran

  23. Studies on 2D and 3D Boundary layer Blockage and External Flow Choking at Moving Wing in Ground Effect

    Article • June 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Roshan Vignesh Baskaran

  24. Boundary layer Blockage, Venturi Effect and Cavitation Causing Aerodynamic Choking and Shock Waves in Human Artery Leading to Hemorrhage and Massive Heart Attack – A New Perspective

    Article • June 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Roshan Vignesh Baskaran

  25. A Closed-form Analytical Model for Predicting 2D Boundary layer thickness for Verification, Calibration and Validation of Navier-Stokes Solvers

    Article • June 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Roshan Vignesh Baskaran

  26. Mechanical Characterization of a Thick-Walled Viscoelastic Hollow Cylinder under Multiaxial Stress Conditions

    Article • Materials Science Forum, March 2018, Trans Tech Publications

    Dr. SANAL KUMAR VR

  27. Dual-head Electromagnetic Variable Sweeping Speed Space Broom for Space Debris Mitigation

    Article • September 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Sharad Sharan, Mr. Ashish Kumar

  28. Parametrical Optimization of a three-dimensional Dump Diffuser with Aerodynamically-shaped Flame Tube for Modern Aircraft Engines

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  29. Design of Environmental Friendly Chevron Nozzles for Lower Stage Rockets

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, VIGNESHWARAN SANKAR, Vivek Srinivasan, Sathyaprabha Rakkimuthu

  30. Design Optimization and Performance Evaluation of A Monopropellant Satellite Thruster

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Sharad Sharan, Mr. Pradeep Kumar Pavalavanni

  31. Studies on Boundarylayer Blockage and External Flow Choking at Moving Wing in Ground Effect

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Vivek Srinivasan

  32. Diagnostic Investigation of Nozzle Flow Choking Time and Stage Separation Sequence of a Multi-stage Rocket

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, VIGNESHWARAN SANKAR, Anbarasan Sekar, Mr Sharad Sharan, Mr. Ashish Kumar

  33. Thrust Vectoring

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, VIGNESHWARAN SANKAR, Mr Sharad Sharan

  34. Performance Evaluation of Aerospike Nozzles for Lucrative Thrust Vector Control

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Vivek Srinivasan

  35. 3D Flame Spread and Starting Transient in Dual-thrust Solid Propellant Rocket Motors

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Mr Sharad Sharan

  36. Statistical Studies on Space Launches and the need for Active Debris Removal System

    Article • August 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  37. Three-dimensional Jet Acoustic Characterization and Geometry Optimization of Chevron Nozzles

    Article • July 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  38. 3D Flow Visualization and Geometry Optimization of Cavity based Scramjet Combustors using k-ω Model

    Article • July 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  39. Influence of Starting Chamber Dynamics on Nozzle Flow Choking Time and the Liftoff Time of Dual-thrust Rockets

    Article • July 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  40. Diagnostic Investigation of Flame Spread Mechanism in Dual-thrust Solid Propellant Rocket Motors

    Article • July 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  41. Conceptual Design and Testing of a Dual-thrust Dual-head Electromagnetic Space Exploration Probe

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR, Vijil V k Lal

  42. Numerical Simulation of Biology-Inspired Beetle Wings at Various Flying Conditions

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Mr kishore girishankar , Dr. SANAL KUMAR VR

  43. Phenomenological Introduction of Propulsion Aspect of External Flow Choking at Wing in Ground Effect

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  44. 3D Flow Simulation of Dual Thrust Solid Rocket Motors during Starting Transient

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  45. Diagnostic Investigation of Flow field Characteristics of Cavity based Scramjet Combustors

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  46. Studies on Gravity Influence on Solid Propellant Burn Rate

    Article • Applied Mechanics and Materials, November 2012, Trans Tech Publications

    Dr. SANAL KUMAR VR

  47. Studies on Ignition Delay and Flame Spread in High-Performance Solid Rocket Motors

    Article • Applied Mechanics and Materials, November 2012, Trans Tech Publications

    Dr. SANAL KUMAR VR

  48. Studies on Aerodynamic Characteristics of Dump Diffusers for Modern Aircraft Engines

    Article • Applied Mechanics and Materials, November 2012, Trans Tech Publications

    Dr. SANAL KUMAR VR

  49. Ignition Transient of Dual-Thrust Solid Propellant Rocket Motors - A Review

    Article • July 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  50. An Attempt to Correlate Collision Theory with Aerodynamic Lift

    Article • June 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  51. Chemical Rocket Propulsion

    Article • International Journal of Aerospace Engineering, January 2012, Hindawi Publishing Corporation

    Dr. SANAL KUMAR VR

  52. Studies on Fluidic Injection Thrust Vectoring in Aerospike Nozzles

    Article • January 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  53. Studies on Space Debris Tracking and Elimination

    Article • July 2010, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  54. Studies on Internal Ballistics of Dual-thrust Motors for Nozzleless Propulsion

    Article • July 2010, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  55. Aerodynamic Sound Reduction for Silent Aircraft

    Article • January 2008, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  56. Numerical Simulation of Transient Flows in Inert Simulators of Solid Rocket Motors

    Article • July 2007, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  57. Power Generation for Manned Space Mission

    Article • June 2007, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  58. Evaluation of Dynamic Burn Rate from the Extinction Compliance of Solid Rocket Motors

    Article • Journal of Spacecraft and Rockets, March 2007, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  59. Studies on Internal Flow Choking in Dual-Thrust Motors

    Article • Journal of Spacecraft and Rockets, September 2006, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  60. Starting Transient Flow Phenomena in Inert Simulators of Solid Rocket Motors with Divergent Ports

    Article • Journal of Propulsion and Power, September 2006, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  61. Studies on Flow Characteristics of Variable Ejector Systems

    Article • July 2006, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  62. Diagnostic Investigation of Dump Gap Effects on Flow Features of Dump Diffusers

    Article • July 2006, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  63. Fluid-Throat-Induced Shock Waves During the Ignition Transient of Solid Rockets

    Article • Journal of Spacecraft and Rockets, January 2006, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  64. Insulation Qualification Studies for Cryogenic Rockets

    Article • July 2005, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  65. Studies on Ejector Systems for Hydrogen Fuel Cell

    Article • July 2005, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  66. A Phenomenological Introduction of Fluid-Throat in High-Velocity Transient Motors

    Article • July 2005, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  67. A Classical Evaluation of the Thermophysical Properties of Insulators for Cryogenic Rockets

    Article • July 2005, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  68. Diagnostic Investigation of Instabilities and Pressure Oscillations in High-Performance Solid Rockets

    Article • July 2005, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  69. Characterization of Dump Diffusers using a k-e Turbulence Model

    Article • January 2005, Begell House

    Dr. SANAL KUMAR VR

  70. Thermoviscoelastic Characterization of a Composite Solid Propellant Using Tubular Test

    Article • Journal of Propulsion and Power, May 2003, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR

  71. Flame Spread with Sudden Expansions of Ports of Solid Propellant Rockets

    Article • Journal of Propulsion and Power, January 2001, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. SANAL KUMAR VR