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My Portfolio

Independent Research and Designs

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Design and Fabrication of Riblet Surfaces for NACA 0015 Airfoil

I conducted an independent research project investigating how micro-structured riblet surfaces influence boundary layer behavior on a symmetric NACA 0015 airfoil. Two riblet geometries were developed:
1) Sawtooth riblets with sharp triangular peaks designed to trip the boundary layer and alter transition/separation behavior.
2) Scalloped riblets with smooth sinusoidal grooves intended to reduce skin-friction drag and promote more stable near-wall flow.

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The riblets were parametrically modeled in CAD and 3D-printed at high resolution, allowing consistent surface quality across test samples. This approach enabled direct comparison of different riblet topologies under equivalent conditions.

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The project strengthened my expertise in aerodynamic flow-control concepts, surface topology design, additive manufacturing, and preparing physical prototypes for aerodynamic evaluation.

 

It also provided hands-on experience with biomimetic and engineered drag-reduction strategies, which can be applied in aerospace, wind energy, and marine contexts.

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Linear Induction Motor (LIM) Assembly Design 

Engineered a custom Linear Induction Motor assembly for my college Hyperloop team, including motor coil housing and mechanical mounting structure designed to withstand electromagnetic forces while maintaining precise track alignment.

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Technical Execution: 
1) Modeled complete assembly in SolidWorks with manufacturing-ready tolerancing and fastener specifications
2) Integrated thermal management systems for heat dissipation during motor operation
3) Designed vibration damping features to ensure stable high-speed performance
4) Created modular architecture enabling rapid assembly/disassembly for iterative testing

Collaboration:
Coordinated with electrical and propulsion sub-teams to ensure mechanical-electrical integration and compatibility with pod chassis architecture.

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Outcome:
Delivered a robust, testable propulsion system demonstrating expertise in electromechanical design, thermal analysis, and cross-functional engineering integration under competitive project constraints.

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Next-Generation Solar Cell Materials Research

Advanced materials science research focusing on chalcogenides and oxide perovskites as potential silicon alternatives in photovoltaic applications. Contributed to globally accessible research database.


Research Impact:
1) Identified potential materials with optimal band gaps for solar applications and industrial scalability
2) Enhanced globally accessible Muchas database for worldwide research community collaboration
3) Evaluated manufacturing feasibility and cost-effectiveness of alternative materials
4) Applied computational materials science principles for predictive analysis
5) Contributed to sustainable energy technology development and renewable energy advancement

Address

6107 E Riverside Dr. Apt 252

Austin 78741, Texas

GitHub

Email

shreyaskaradi at gmail.com

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