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Ph.D. (Engg): Intersection Planning in Multilane Aerial Corridors for UAVs

STC Seminar Hall, Dept. of Aerospace Engineering

Uncrewed aerial vehicles (UAVs) are revolutionizing traditional aviation markets by opening the airspace to new participants and expanding multimodal applications, increasing the UAVs' participation in the uncontrolled low-altitude class G airspace. Therefore, having a UAV Traffic Management (UTM) system is of great importance in designing structured traffic rules for UAV paths in the airspace (corridors) […]

MTech(Res): Deformation-based Topological Lattices and their Edge States

STC Seminar Hall, Dept. of Aerospace Engineering

Topological elastic metamaterials (TEMs) represent a novel class of elastic materials known for their unique ability to localize vibration energy at boundaries, maintaining robustness against system disorders. These unconventional properties make TEMs highly attractive for applications in vibration isolation, energy harvesting, mechanical sensing, and waveguiding. Spring-mass models are fundamental in designing TEMs, capturing essential physics […]

Ph.D. (Engg): Asymptotic Modelling of Carbon Nanotube (CNT) and CNT-Reinforced Composite Structures Using Strain Gradient Formulations

STC Seminar Hall, Dept. of Aerospace Engineering

Carbon nanotubes (CNTs) have garnered attention for their remarkable mechanical, thermal, and electrical properties, making them valuable in various applications. CNTs are particularly advantageous in aerospace structures as reinforcements in polymer matrix composites, enhancing structural performance while reducing weight. Furthermore, they offer the potential for multifunctionality, integrating structural, thermal, and electrical functionalities within components like […]

Ph.D. (Engg): On the nature of transonic buffet in a finite span wing

Online

Transonic buffet, or shock oscillations, is a pre-stall aerodynamic instability, caused by shock boundary layer interaction, of the flow over a wing. This aerodynamic instability occurs at critical combinations of transonic Mach number and angle of attack. Shock oscillations cause vibrations of the wing and is known as buffeting. Buffeting may cause fatigue of the […]

MTech(Res): Adjoint-Based Aerodynamic Shape and Mesh Optimization with High-order Discontinuous Galerkin Methods

STC Seminar Hall, Dept. of Aerospace Engineering

The aerodynamic shape of an aircraft plays a critical role in its performance. Aerodynamic Shape Optimization (ASO) modifies the shape to achieve desired performance metrics, such as reduced drag or increased lift. ASO integrates numerical optimization techniques with Computational Fluid Dynamics (CFD). Gradient-based optimization techniques are widely employed for ASO. The adjoint solution enables the […]

Ph.D. (Engg): Experimental Study of Isolator Shock Trains in Confined Co-Flowing Supersonic Streams

STC Seminar Hall, Dept. of Aerospace Engineering

Futuristic high Mach number flight systems using advanced air-breathing propulsion technologies typically have multiple flow paths with supersonic flows that merge before exiting the vehicle. The supersonic-supersonic co-flow configuration is a canonical model used to study the fundamental aerodynamics of these interactions. A pseudo-shock is a composite gas-dynamic feature produced in viscous-dominated internal flows due […]

Ph.D. (Engg): Aeroacoustic sources in twin turbulent jets

Online

An understanding of the aeroacoustics of twin turbulent jets is essential for applications involving noise reduction in dual engine aircrafts and launch vehicles. The aeroacoustic dynamics of these jets are influenced by the spacing between the shear layer of the two jets as well as the spatio-temporal nature of the structures arising from the interaction […]

Ph.D. (Engg): Development of Scalable UAV Swarm-based Cooperative Search and Mitigation Approaches for Wildfire Management

STC Seminar Hall, Dept. of Aerospace Engineering

Climate change has significantly exacerbated the wildfire seasons, increasing their frequency, duration, and scale of destruction. Globally, wildfires destroy approximately 400 million hectares of land annually, resulting in significant biodiversity loss, degradation of soil nutrients, and other ecological consequences. The fire locations are often inaccessible for ground-based interventions due to the challenging terrain, and current […]

Ph.D. (Engg): Control of Alternating Flow Phenomena in Transonic Shock Wave Boundary Layer Interactions Over Payload Region of a Generic Launch Vehicle Model

Centre of Excellence in Hypersonics conference hall, Room No.AE-239,

The transonic Mach number regime is a critical phase in the atmospheric ascent of launch vehicles, where aerodynamic loads peak due to the combined effects of high freestream dynamic pressure and angle of attack. Besides high steady loads, launch vehicles experience very high levels of pressure fluctuations caused by interactions between the unsteady λ-shock system […]

Ph.D. (Engg): Multiscale modelling and design of multifunctional composites for microwave absorption applications

STC Seminar Hall, Dept. of Aerospace Engineering

Microwave absorption materials (MAMs) are crucial for both long-standing aeronautical and emerging space security applications, with carbon-based materials traditionally dominating the field due to their exceptional strength and lightweight nature. In recent years, other ceramic-based materials have emerged as promising alternatives, due to their superior resistance to thermal detection, due in turn to their low […]

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