Aerospace Engineering

Faculty

Akshay Prakash

Amardip Ghosh

Anup Ghosh

Arnab Roy

Bhrigu Nath Singh

Chetankumar Sureshbhai Mistry

Dipak Kumar Maiti

Kalyan Prasad Sinhamahapatra

Manas Kumar Laha

Manoranjan Sinha

Mira Mitra

Mohammed Rabius Sunny

Mrinal Kaushik

Naba Kumar Peyada

Prasun Jana

Ratan Joarder

Sandeep Saha

Sikha Hota

Somnath Ghosh

Srinibas Karmakar

Sunil Manohar Dash

Suresh Chandra Pradhan

Susmita Bhattacharyya

Arnab Roy

Professor

Aerospace Engineering

+91-3222-283020

arnab@aero.iitkgp.ac.in

Awards and Accolades

Personal Webpage Bio Sketch

Responsibilities

Program Officer (Instrumental Music), National Cultural Appreciation (NCA) coursess
Co-Professor-in-Charge, Academy of Classical and Folk Arts

Research Areas

My research spreads across Computational and Experimental Fluid Dynamics and Aerospace Propulsion. My current research interests are: #Bluff body flows #Fixed and flapping wing aerodynamics #Large Eddy Simulation (LES) of free and forced jets #Modal analysis of flows #Multiphase flow simulations for semicryogenic rocket engines #RCS jet in supersonic cross flow #Energetic solid fuels #Droplet breakup

All Publications

No Record Found.

Completed Projects

Principal Investigator

Data driven techniques applied to numerical and experimental study of jet in cross flow

Co-Principal Investigator

Academy of Classical and Folk Arts (ACFA) Various Government and Non-Government Organisations
Aero-Thermal Performance Assessment of Sweeping Jet Film Cooled Gas Turbine Nozzle Vane. Science and Engineering Research Board (SERB)
Combustion Studies on Boron-loaded Solid Fuels for a Hybrid Gas Generator in Ducted Rocket Applications Science and Engineering Research Board (SERB)
Investigation of the Aerodynamic and Propulsive Performance of the Single and Tandem Leading-Edge Tubercle Flapping Airfoils for Novel Underwater Vehicle Design Science and Engineering Research Board (SERB)

Ph. D. Students

Akash Sudhakar Jadhav

Area of Research: Aerodynamics

Kumar Sanat Ranjan

Area of Research: aerodynamics

Nithin Krishnan S

Area of Research: Fluid Dynamics and Heat Transfer

Ribhu Pal

Area of Research: Aerodynamics

Journal

On dissecting the wakes of flapping wings Chakraborty P., Goli S. , Roy A. By Physics of Fluids 35 05712801-05712813 (2023)
Enhancement of Control Jet Performance in Supersonic Crossflows Through Pilot Injection Grandhi R. K., Roy A. By AIAA Journal of Spacecraft and Rockets 60 1010-1021 (2023)
Flow focusing from interacting cavitation bubbles Mishra A., Bourquard C., Roy A., Lakkaraju R., Ghosh P., Supponen O. By Physical Review Fluids 7 - (2022)
ALeRSa DDEA: active learning with reliability sampling based evolutionary algorithm framework for solving offline data driven expensive engineering optimization Pramanik S., Goswami A. , Roy A. By Structural and Multidisciplinary Optimization 35 32001-32024 (2022)
Energy dynamics in the helical wakes of flapping systems Chakraborty P., Roy A. By Physics of Fluids 34 1031111-1031118 (2022)
Numerical Modelling of Wind Tunnel Internal Flow for CFD Assisted Design Kesharwani S., Mistry C. S., Roy S. , Roy A. , Sinhamahapatra K. P. By Journal of Institution of Engineers (India) Series C - (2022)
Wake aerodynamics of flapping systems in formation flight Chakraborty P., Roy A. By Physics of Fluids 34 - (2022)
Topology and transport in generalized helical flows Chakraborty P., Roy A. , Chakraborty S. By Physics of Fluids 33 11710601-11710611 (2021)
Performance Evaluation of Boron-HTPB Based Solid Fuels Containing Activated Charcoal Hashim S. A., Islam M. , Kangle S. M., Karmakar S. , Roy A. By AIAA Journal of Spacecraft and Rockets 58 363-374 (2021)
Numerical investigation of the onset of three-dimensional characteristics in flow past a pair of square cylinders at various arrangements Dwivedi K., Narayanan S. , Pritheesh G. , Sabarish V. , Sridhar R. , Ganesh K. , Supradeepan K. , Roy A. By Fluid Dynamics Research (Japan Society of Fluid Mechanics and IOP Publishing) 53 04550801-04550824 (2021)
Numerical Investigations into transient wake behind a custom airfoil undergoing pitching motion Patel D. K., Vineeth V. K., Roy S. , Goli S. , Roy A. By European Journal of Mechanics, B Fluids 85 193-213 (2021)
Effect of flapping frequency, Reynolds number and angle of attack on the aerodynamic force coefficients of a translating wing Dammati S. S., Goli S. , Varanasi S. S., Srinag P. , Roy A. By CEAS Aeronautical Journal, Springer (An Official Journal of the Council of European Aerospace Societies) 1-26 (2021)
Mechanistic basis of transport in unconfined swirling flows Chakraborty P., Roy A. , Chakraborty S. By Physics of Fluids 33 0531091-0531097 (2021)
Flow-focusing from interacting cavitation bubbles Mishra A., Bourquard C. , Roy A. , Lakkaraju R. , Supponen O. , Ghosh P. By Gallery of Fluid Motion - (2021)
CFD Studies on Unstable Oscillatory Direct Contact Condensation (DCC) of Subsonic Steam Jets in a Cross-flow of Water Jayachandran K. N., Roy A. , Ghosh P. By ASME Journal of Heat Transfer (https://doi.org/10.1115/1.4046347) 142 05160101-05160115 (2020)
Jet, and Shock characteristics of collapsing cavitating bubble in cryogenic environment Mishra A., Mondal J. , Roy A. , Lakkaraju R. , Ghosh P. By Indian Journal of Cryogenics 45 19-24 (2020)
Numerical Investigation on Unstable Direct Contact Condensation of Steam in Subcooled Water N J. K., Roy A. , Ghosh P. By Heat Transfer Engineering (https://doi.org/10.1080/01457632.2020.1716483) - (2020)
Numerical studies on unstable oscillatory direct contact condensation (DCC) of oxygen vapor jets in subcooled flowing liquid oxygen Narayanan J.K., Roy A., Ghosh P. By Cryogenics (DOI https://doi.org/10.1016/j.cryogenics.2020.103176) 111 1-15 (2020)
Vortex Identification and Proper Orthogonal Decomposition of Rigid Flapping Wing Goli S., Dammati S. S., Roy A. , Roy S. By International Journal of Fluid Mechanics Research 47 309-328 (2020)
Experimental Observation and characterization of B HTPB-Based Solid Fuel with Addition of Iron Particles for Hybrid Gas Generator in Ducted Rocket Applications Hashim S. A., Ojha P. K., Karmakar S. , Roy A. , Chaira D. By Propellants, Explosives, Pyrotechnics 44 896-907 (2019)
Effects of Ti and Mg particles on Combustion Characteristics of Boron HTPB-Based Solid Fuels for Hybrid Gas Generator in Ducted Rocket Applications Hashim S. A., Karmakar S. , Roy A. By Acta Astronautica 160 125-137 (2019)
Vortex filamentation and fragmentation phenomena in flapping motion and effect of aspect ratio and frequency on global strain, rotation and enstrophy Goli S., Roy A. , Roy S. By International Journal of Micro Air Vehicles 11 1-30 (2019)
Combustion Characteristics of Boron-HTPB Based Solid Fuels for Hybrid Gas Generator in Ducted Rocket Applications Hashim S. A., Karmakar S. , Roy A. By Combustion Science and Technology 191 2082-2100 (2019)
Spatio-temporal effect of the breakdown zone in the laser-initiated ignition of atomized ethyl alcohol-air mixture Singh A. P., Padhi U. P., Joarder R. , Roy A. By Applied Energy 247 140-154 (2019)
A Volume-of-Fluid (VOF) Methodology for Prediction of Direct Contact Condensation (DCC) of Gaseous Oxygen Jets in Subcooled Flowing Liquid Oxygen K J. N., A. P., Roy A. , Ghosh P. By Indian Journal of Cryogenics (DOI: 10.5958/2349- 2120.2019.00020.7.) 44 117-122 (2019)
Performance of control jets on curved bodies in supersonic cross flows Grandhi R. K., Roy A. By AIAA Journal of Spacecraft and Rockets 56 1177-1188 (2019)
Numerical investigations on direct contact condensation (DCC) of oxygen vapour in a staged combustion cycle based rocket engine K N J., Roy A. , Ghosh P. By Indian Journal of Cryogenics 43 124-130 (2018)
Regression Rates and Burning Characteristics of Boron- Loaded Paraffin-Wax Solid Fuels in Ducted Rocket Applications Hashim S. A., Karmakar S. , Roy A. , Srivastava S. K. By Combustion and Flame 191 287-297 (2018)
Performance of fuel reactor in a chemical looping combustion system with different oxygen carriers Sheth M., Roy A., Harichandan A. By Thermal Science and Engineering Progress 5 303-308 (2018)
Investigation of Incompressible Flow Past Two Circular Cylinders of Different Diameters Bhumkar Y. G., Kumar P. , Roy A. , Das S. By Defence Science Journal 67 487-496 (2017)
Effectiveness of a Reaction Control System Jet in a Supersonic Crossflow Grandhi R. K., Roy A. By AIAA Journal of Spacecraft and Rockets 54 883-891 (2017)
Low Reynolds number flow characteristics for two side by side rotating cylinders Supradeepan K and A. Roy By ASME Journal of Fluids Engg 137(10) - (2015)
Characterisation and analysis of ﬂow over two side by side cylinders for different gaps at low Reynolds number - A numerical approach Supradeepan K and A. Roy By Physics of Fluids 26(6) - (2014)
Numerical investigation of flow past single and tandem cylindrical bodies in the vicinity of a plane wall A.B. Harichandan and A. Roy By Journal of Fluids and Structures 33 19-43 (2012)
Numerical investigation of low Reynolds number flow past two and three circular cylinders using unstructured grid CFR scheme A. B. Harichandan and A. Roy By International Journal of Heat and Fluid Flow 31 154-171 (2010)
Investigation of Incompressible Flow Past a Two Dimensional Wedge P. Omprakash, A. Roy, S. Das and J. K. Prasad By Journal of Aerospace Sciences and Technologies 59(4) - (2007)
Numerical calculation of separated flow past a circular cylinder using panel technique Roy A., Bandyopadhyay G. By Journal of Wind Engineering and Industrial Aerodynamics 94(3) 131-149 (2006)
A Finite Volume Method for Incompressible Flows Using a Consistent Flux Reconstruction Scheme A. Roy and G. Bandyopadhyay By International Journal for Numerical Methods in Fluids 52 297-331 (2006)

Conferences

Experimental investigation of boron laden paraffin wax-based solid fuel for ducted rocket application Mandal S., Hashim S. A., Karmakar S. , Roy A. By AIAA SciTech 2023 1-10 (2023)
Investigation of Flowfield Over a Dart Using Smoke Flow Visualization Pawar A.A., Ranjan K.S., Roy A., Saha S. By Lecture Notes in Mechanical Engineering 99-103 (2023)
Transitions in Flow Over Flat Plate at Low Reynolds Number Srinag P., Roy A., Shridhar T.N. By Lecture Notes in Mechanical Engineering 361-366 (2023)
Smoke flowisualization of dragonfly Pantala flavescens in tethered flight Ranjan K., Pawar A. A., Roy A. , Saha S. By 9thINTERNATIONAL AND 49thNATIONAL CONFERENCE ON FLUID MECHANICS AND FLUID POWER - (2022)
High-speed Schlieren imaging as a tool for identifying vortices in dragonfly flight Pawar A. A., Ranjan K. , Roy A. , Saha S. By 9thINTERNATIONAL AND 49thNATIONAL CONFERENCE ON FLUID MECHANICS AND FLUID POWER - (2022)
Effect of Axial Location on the Performance of a Control Jet in a Supersonic Cross Flow Kiran Grandhi R., Roy A. By Lecture Notes in Mechanical Engineering 53 89-104 (2021)
Design and Testing of Missile Launcher-Based Drone for Defense Applications Shaikh S. I., Patayane S. V., Hashim S. A., Karmakar S. , Roy A. By International Conference on Aviation Technology-Current Scenario - (2020)
The aerodynamics of dart Pawar A. A., Ranjan K. S., Roy A. , Saha S. By APS Division of Fluid Dynamics Annual Meeting (Fall) 2020 - (2020)
Effect of curved rigid surface on the collapsing cavitating bubble in cryogenic environment Mishra A., Mondal J., Roy A., Lakkaraju R., Ghosh P. By IOP Conference Series: Materials Science and Engineering 755 - (2020)
Effect of curved rigid surface on the collapsing cavitating bubble in cryogenic environment Ghosh P., Roy A. , Lakkaraju R. By Cryogenic Engineering Conference - (2020)
Trans-continental migration of dragonfly Pantala Flavescens between India and Africa: Energetics and Role of wind Ranjan K. S., Pawar A. A., Roy A. , Saha S. By APS Division of Fluid Dynamics Annual Meeting - (2020)
Investigation of nonlinear interplay between imposed kinematics and induced aerodynamics of insect flight using sparse regression technique Srinag P., Roy A. , Sridhar T. N. By International conference on Aviation Technology- Current Scenario - (2020)
CFD Analysis of Direct Contact Condensation (DCC) of Oxygen Vapor Jets in Subcooled Liquid Oxygen using Volume of Fluid (VOF) Method Prajapati A., K N J. , Roy A. , Ghosh P. By 32nd National Convention of Aerospace Engineers - (2019)
CFD Analysis of Direct Contact Condensation (DCC) of Superheated Gas Jets into a Vertically Flowing Liquid Channel," Ghosh P., Roy A. By 12th European Congress of Chemical Engineering (ECCE12) - (2019)
Performance Evaluation of Boron Particles with Wax HTPB-Based Solid Fuel for the Primary Combustor in Ducted Rocket Applications Hashim S. A., Karmakar S. , Roy A. , Shaikh S. I. By 33rd National Convention of Aerospace Engineers 7-13 (2019)
(230h) effect of multiport vapor injection on the perormance of a GOX-LOX diect contact condenser Jayachandran K.N., Roy A., Ghosh P. By Engineering Sciences and Fundamentals 2018 - Core Programming Area at the 2018 AIChE Annual Meeting 2018-October - (2018)
(23of) numericl investigation of erosive strength of collapsing cavitatng bubble in cryogenic environment near rigid wall Mishra A., Mondal J., Roy A., Lakkaraju R., Ghosh P. By Engineering Sciences and Fundamentals 2018 - Core Programming Area at the 2018 AIChE Annual Meeting 2018-October - (2018)
Screening of nano-aluminum based solid fuels for hybrid rocket applications Hashim S.A., Kangle S., Karmakar S., Roy A. By AIAA Aerospace Sciences Meeting, 2018 - (2018)
CFD analysis of direct contact condensation (DCC) of subsonic steam jets in a cross-flow of water using a two-fluid model Narayanan J.K., Roy A., Ghosh P. By ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE) 8A-2018 - (2018)
CFD Analysis of Direct Contact Condensation (DCC) of Subsonic Steam Jets in a Cross-Flow of Water using a Two-Fluid Model K N J., Roy A. , Ghosh P. By ASME International Mechanical Engineering Congress and Exposition - (2018)
Effect of Multiport Vapor Injection on the Performance of a GOX-LOX Direct Contact Condenser K N J., Roy A. , Ghosh P. By AIChe Annual meeting - (2018)
Coherent structures in the flow field generated by rigid flapping wing in hovering flight mode Goli S., Dammati S.S., Roy A., Roy S. By IOP Conference Series: Materials Science and Engineering 402 - (2018)
Effects of Iron Particles on Boron-HTPB Based Solid Fuel for SFDR applications Using Rapid Screening Instrument Hashim S. A., Islam M. , Karmakar S. , Roy A. By National Aerospace Propulsion Conference (NAPC) - (2018)
Numerical Modelling of Cavitation in Cryogenic fluids using OpenFoam and CFX Mishra A., Roy A. , Ghosh P. By 26th National Symposium on Cryogenics - (2017)
Numerical Studies on Direct Contact Condensation (DCC) of Subsonic Vapor/Gas Jets in Subcooled Flowing Liquid Jayachandran K. ., Roy A. , Ghosh P. By AIAA SciTech Forum, 55th AIAA Aerospace Sciences Meeting, AIAA 2017-0220, 2017 - (2017)
A Computational study for characterizing Cavitating flow in Hydrofoils operating at Cryogenic conditions Mishra A., Roy A. , Ghosh P. By 14th Cryogenics 2017 295-302 (2017)
Design aspects of large diameter, low speed axial flow fan for wind tunnel application Mistry C. S., Kesharwani S. , Roy S. , Roy A. , Sinhamahapatra K. P. By ASME GT India 1-10 (2017)
Screening of Boron-Based Solids Fuel for the Hybrid Rocket Applications Hashim S. A., Laharia M. , Kangle S. , Karmakar S. , Roy A. By 11th International High Energy Materials Conference & Exhibits - (2017)
An approach to numerical study of direct contact condensation (DCC) in cryogenic fluids N J. K., Roy A. , Ghosh P. By CHEMCON-2015 - (2015)

Symposium

Numerical Studies of Shock Wave Boundary Layer Interaction over Hollow Cylinder Flare at Thermo Chemical Non Equilibrium Hypervelocity Flow Pal R., Roy A. By 34th International Symposium of Shock Waves 1-7 (2023)
A Volume-of-Fluid (VOF) Methodology for Prediction of Direct Contact Condensation (DCC) of Gaseous Oxygen Jets in Subcooled Flowing Liquid Oxygen K N J., Prajapati A. , Roy A. , Ghosh P. By 27th National Symposium on Cryogenics and Superconductivity - (2019)
Jet and Shock characteristics of collapsing cavitating bubble in cryogenic environment Mishra A., Mondal J. , Roy A. , Lakkaraju R. , Ghosh P. By 27th National Symposium on Cryogenics and Superconductivity - (2019)
Numerical studies on turbine drive gas recovery at the LOX booster turbopump exit of a staged combustion cycle based rocket engine. Jayachandran K., Roy A. , Ghosh P. By 26th National Symposium on Cryogenics - (2017)

Book Chapter/Section

Effect of Axial Location on the Performance of a Control Jet in a Supersonic Cross Flow Grandhi R. K., Roy A. By Design and Development of Aerospace Vehicles and Propulsion Systems, Lecture Notes in Mechanical Engineering 89-104 (2021)
Lecture Notes in Mechanical Engineering Hashim S.A., Kangle S., Karmakar S., Roy A. By Performance augmentation of Boron HTPB-based solid fuels by energetic additives for hybrid gas generator in ducted rocket applications 143-157 (2019)
Performance Augmentation of Boron-HTPB Based Solid Fuels by Energetic Additives for Hybrid Gas Generator in Ducted Rocket Applications Hashim S. A., Karmakar S. , Roy A. By Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (IDAD 2018), Lecture Notes in Mechanical Engineering - (2018)
Coherent structures in the flow field generated by rigid flapping wing in hovering flight mode Srikanth G., Dammati S. , Roy A. , Roy S. By IOP Conf. Series: Materials Science and Engineering 2018 012155- (2018)
Innovative Design and Development Practices in Aerospace and Automotive Engineering, Lecture Notes in Mechanical Engineering, Springer, 2017 Hashim S. A., Lahariya M. , Karmakar S. , Roy A. By Calculation of Theoretical Performance of Boron-Based Composite Solid Propellant for the Future Applications - (2017)
IOP Conference Series: Materials Science and Engineering Jayachandran K., Roy A. , Ghosh P. By Numerical investigations on unstable direct contact condensation of cryogenic fluids 171 1-9 (2017)
Lecture Notes in Mechanical Engineering Fluid Mechanics and Fluid Power Contemporary Research, Springer 2017 Srikanth G., Roy A. , Roy S. By Particle Image Velocimetry Measurements of Rigid and Flexible Rectangular Wings Undergoing Main Flapping Motion in Hovering Flight - (2017)
Innovative Design and Development Practices in Aerospace and Automotive Engineering Hashim S., Lahariya M. , Karmakar S. , Roy A. By Calculation of Theoretical Performance of Boron-Based Composite Solid Propellant for the Future Applications 327-336 (2016)

Edited Volume

Recent Advances in Theoretical, Applied, Computational and Experimental Mechanics Singh B. N., Roy A. , Maiti D. K. By Recent Advances in Theoretical, Applied, Computational and Experimental Mechanics - (2020)

Congress

Performance of tandem control jets in supersonic cross flows Grandhi R. K., Roy A. By 16th Asian Congress of Fluid Mechanics - (2019)

Nonlinear Time Series Analysis of Velocity over NACA 2412 Three-Dimensional Wing Using Large Eddy Simulation Data P. Chakraborty and A. Roy By 45th AIAA Fluid Dynamics Conference - (2015)
Numerical study on low Reynolds number flow past two side by side triangular cylinders Supradeepan K and A. Roy By 44th AIAA Fluid Dynamics Conference - (2014)

Book

A First Course in Aerodynamics A. Roy By A First Course in Aerodynamics - (2012)