Department of Aerospace Engineering
Aerodynamics and Flight Mechanics
Broad Research interest of the group include
- Hypersonic aerothermodynamics: Aerodynamic shape optimization
- Unsteady gas dynamics/Shock tunnel experiments
- Computational fluid dynamics
- Experimental aerodynamics : Aeroacoustic flow instability
- Multi-disciplinary design optimization of aerospace vehicles
- Computational and experimental aerodynamics
- Lunar/interplanetary mission design, Low thrust transfers
Typical research topics undertaken in Aerodynamics and space flight mechanics domain are;
- High speed chemically reacting viscous flow with Cartesian mesh on GPU based parallel systems
- Numerical simulation of unsteady supersonic flows (external and internal flows) using higher order methods
- Development of methodologies for direct interplanetary mission design
- Optimal trajectory design to lagrangian points
- Fuel optimum mission design for lunar soft landing at a specified location
- Optimal satellite maneuvers to avoid multiple debris collision
- Multi-disciplinary design optimization (MDO) studies for conceptual design of semi-ballistic reentry vehicles/sounding rockets
- Development of new Multi-objective Evolutionary Algorithms (A2MOEA)
- Conceptual sizing and multi-objective optimization studies for sizing hybrid airships
- Shock/Detonation wave studies; Unsteady Aerodynamics; Flow instabililiy & control, Wind turbine design, Low Reynolds number aerodynamics, Computational aeroacoustics
Thermal and Propulsion
Broad Research interest of the group include
- Laser diagnostics: concentration, velocity and drop size measurements
- Rocket injector spray characterization
- Film cooling in combustion chambers/nozzles/turbine blades
- Modelling and simulation of turbulent, compressible, reacting flows.
- Reactive heat flow simulations, supersonic combustion modelling
- Optical and laser diagnostics in reacting and non-reacting flows
- Laminar and turbulent premixed combustion burning velocity, swirl combustion
- Electronic cooling in mini/micro scales
- Characterization of two phase flow in conventional and cryogenic systems
- Computational fluid dynamics
Typical research topics undertaken in thermal and propulsion domain are;
- Studies on Film cooling in rocket combustion chambers
- Investigations of Heat transfer characteristics of kerosene based nano fluids
- A study of Elliptical and circular jets at thermodynamic subcritical and supercritical conditions
- Combustion enhancement studies in vortex-hybrid rocket engines
- Nozzle flow separation phenomena and its control
- Modelling and characterization of cavitating venture
- Heat transfer and fluid flow in micro channels
- Jet characteristics at subcritical, critical & supercritical conditions
- Thrust augmentation studies on nuclear thermal rocket
- Thrust vectoring of solid rocket nozzle by secondary fluid injection
- Mixing enhancement studies in Supersonic combustors
Structures and Design
Broad Research interest of the group include
- Finite element analysis of aerospace structures
- Rover design for lunar mission
- Computational structural mechanics, Mesh free methods, Stochastic mechanics
- Structural dynamics and vibrations; Non-linear dynamics; Structural acoustics
- Smart materials; piezoelectric structures
- Elastic wave propagation; Structural health monitoring
- Mechanics of biological and bio-inspired composites using molecular dynamics
- Design, development and control of integrated systems like wheeled planetary rovers; deployment mechanisms and aids for rehabilitation.
- Dynamics of rigid body systems, Optimal design, Automatic control, Robotics
- Damage detection in composite and Isotropic materials using time reversed Lamb waves
Typical research topics undertaken in Structures and Design are;
- Efficient Piezoelectric beam Finite Element formulations based on coupled polynomial interpolations
- Atomistic simulations on the mechanical behavior of Bio-inspired brittle matrix nano-composites
- Wheeled rover with actively articulated suspension for planetory terrains
- Non-linear rotor dynamics( Friction induced vibration in rotating machines)
- Investigation of holographic interferometry techniques for strain measurement and non-destructive testing
- Stochastic wavelet methods for structural mechanics
- Defect detection enhancement in Aerospace composite structures
- Structural health monitoring of stiffened structures
- Path planning of rovers with identification of topographic and soil characteristics
- Very low cycle fatigue analysis of thin shells due to repeated buckling
Materials, Manufacturing and Industrial Engineering
Broad Research interest of the group include
- Aerospace Materials/Composites
- Materials Forming/Powder metallurgy/Welding
- Machining and Precision Manufacturing for Aerospace applications
- Subtractive and Additive manufacturing of Aerospace Materials
- Supply chain management; Cellular manufacturing systems
- Optimization techniques in manufacturing
Typical research topics undertaken in Materials, Manufacturing and Industrial Engineering/Management are;
- Investigation of electro-active shape memory polymer composites for aerospace applications
- Sensitivity studies on the influence of process parameters on thermo-mechanical properties and functional performance of ablative composites and improvement efforts
- Experimental studies of Flux bounded Tungsten Arc welding
- Investigations on Fine finishing of surfaces using elastic abrasives
- Minimum damage machining of fiber-reinforced composites using eccentric sleeve grinding
- Stochastic modelling of abrasive processes; Abrasive processing of additive manufactured components.
- Aircraft Landing Problem using a hybrid particle swarm optimization (HPSO) algorithm
- Combined arrival-departure aircraft sequencing and scheduling problem
- Simulation model for determining the feasibility of reduced inter-arrival spacing between aircrafts
