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Project Portfolio _ Sahil Parmar.pdf⬅️ Detailed Project of a complete product development - Design, Analysis (CFD and Thermal), Prototyping, Deployment and Tests
T Vector Control CDR (1).pdf⬅️ Design and Development of Robotic Actuator
Mechanical and system architecture of robotics actuator, a high degree-of-freedom systems, included actuator design, thermal constraints, cabling, sensing integration, manufacturability and system integration. Designed & manufactured in 6 months; successfully integrated with Engine and Feed System wining lab $15K.
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Design and manufacturing of LOX/RP-1 600psi Engine - USC Liquid Propulsion Lab
Design and manufacturing of LOX/RP-1 600psi Engine - USC Liquid Propulsion Lab
At USC’s Liquid Propulsion Lab, I am responsible for overseeing the J&J and Prometheus projects. The J&J project involves a 600 psi LOX/Kerosene engine, where my role includes redesigning the injector system (Pintle Injector) and the overall engine geometry with a focus on film cooling. I have been involved in all aspects of this project, including design modeling, CFD and thermal analysis, manufacturing, and testing.
In addition to my work on J&J, I serve as a supportive systems engineer on several other exciting projects at LPL, including the development of feed systems, thrust vector control (TVC), and a water flow test stand.
Lead and R&D engineer
Lead and R&D engineer
DEvelopment of a Feed system
DEvelopment of a Feed system
At USC's Liquid Propulsion Lab, I am the lead and responsible engineer for the Prometheus project, which involves developing a feed system for a GOx/GCH4 igniter that helps fire several of LPL's liquid engines. In addition to my technical contributions, I am also responsible for project management and coordinating with other responsible engineers (REs).
Prometheus is also LPL's first Methane prop system, where I got chance to lead the system while expanding lab's capability into methane based prop systems.
Directed Hot Fire Test of LPL's first Methane prop system
Led and Directed 1 month long testing campaign which includes, hydrostatic proofing, clod flows and timing tests.
Design & Developemnt of TVC (Thrust Vector Control); electromechanical system
Design & Developemnt of TVC (Thrust Vector Control); electromechanical system
Led the development of Thrust Vector Control (TVC) system, designed & manufactured the electromechanical actuator system in 6 months; successfully integrated & tested system with engine system winning a 15K Thrust Vectoring challenge.
CFD and Thermal analysis of Various systems
CFD and Thermal analysis of Various systems
At USC's Liquid Propulsion Lab, I conducted CFD and thermal analysis for a LOX/RP-1 rocket engine, optimizing the engine's thermal management and achieving an 18% reduction in heat flux on the chamber wall by adjusting the oxidizer-to-fuel (O/F) ratio and the mass flow rate through the pintle injector. Additionally, I resolved a thermal issue within the pintle where the cryogenic LOX was causing the RP-1 to freeze by altering the mass flow rate and implementing effective design changes.
Design & CFD analysis of a diamond shaped airfoil
Design & CFD analysis of a diamond shaped airfoil
At USC’s Wind Tunnel Lab, my project focused on analyzing the flow over a diamond-shaped supersonic airfoil. This work was later presented as part of my coursework for "Compressible Gas Dynamics" and published as a paper.
enhancing overall reusability of Hybrid engine by 15% - DEsign and MAnufacturing
enhancing overall reusability of Hybrid engine by 15% - DEsign and MAnufacturing
My research and role in developing KALAM - a reusable hybrid engine-sounding rocket designed for suborbital flights to perform microgravity experiments - involved working on trajectory optimization and design. I engineered the hybrid propulsion systems for KALAM RSR, improving the overall reusability of the rocket engine by 15% for microgravity experiment payloads.
Key contributions to the project include:
Modifying mechanical layouts and drawings to enhance the manufacturing process by 20%, as required by the machine shop.
Establishing manufacturing validation tests to ensure high-quality standards and operational excellence, resulting in a 30% reduction in defects.
Leading the design, manufacturing, and testing of the parachute deployment mechanism, as well as prototyping various subsystems.
Developing CAD models for components compatible with both traditional and additive manufacturing methods.
1:4 Scaled Prototype of KALAM - Reusable Sounding Rocket
LAunched a High altitude Balloon to 93K fts
LAunched a High altitude Balloon to 93K fts
I served as the systems engineering lead for USC’s High Altitude Balloon Project, where I led a team of 9 students to successfully design and execute a balloon mission to track the 2024 Total Solar Eclipse. Over the course of three months, we built the entire system, conducted two test launches, and completed one main launch. On April 8th, 2024, we launched a helium balloon from Texas to an altitude of 93,618 feet and successfully recovered the system using a parachute.
Deisgn and FEA analysis of Foldable Chassis
Deisgn and FEA analysis of Foldable Chassis
Participating in the NASA Human Exploration Rover Challenge provided me with numerous opportunities, including conducting research on the chassis design of the rover. I developed a lightweight, strong chassis that could support two people on lunar and Martian terrain while maintaining excellent balance and ease of assembly. Finite Element Analysis (FEA) was used to select the optimal materials and design, taking into account principles of tension, compression, and other forces acting on the chassis.
The design was further refined by adding folding supports and centering the weight for improved stability. Additionally, the project outcomes supported the idea of placing two seats parallel, facing opposite directions, which enhanced rider visibility and balance.
Just in 30 days Designed, Developed and tested a cubesat
Just in 30 days Designed, Developed and tested a cubesat
In 30 days, developed & tested a CubeSat; Engineered the antenna design, created Simulink models for trajectory, CubeSat orientation & performed antenna deployment test resulting in successful telemetry.
3D printed CubeSat
Design of a Quadcopter to lift heavy weight
Design of a Quadcopter to lift heavy weight
I led a project focused on designing a quadcopter capable of lifting heavy weights, with potential applications across various industries, including drone delivery, medical supplies, and the transport of industrial products or packages. As the drone industry continues to grow, with widespread use in photography, videography, and military operations, this project aimed to explore other impactful areas.
Working in a team of six, we designed and developed a quadcopter capable of lifting weights up to 15 kg while maintaining speed and agility comparable to standard drones. Our design featured specialized hooks that could be controlled remotely via a controller or an app. The quadcopter was engineered to fly for up to three hours on a full charge while carrying a 15 kg load.
The design has extensive potential in the drone delivery and medical supply sectors. However, we specifically tailored it for use in industrial production environments, where it can efficiently move heavy items within warehouses and factories. Unlike conventional methods, our quadcopter offers a space-saving and time-efficient solution by quickly transporting heavy materials through the air, with full automation capabilities. We subsequently filed for and received a patent for this innovative design.
Design of an automated landing gear and low drag fuselage for a highly maneurable radio-controlled aircraft
Design of an automated landing gear and low drag fuselage for a highly maneurable radio-controlled aircraft
I led the development of a highly maneuverable radio-controlled aircraft, designing servo-powered ailerons, rudder, and elevator systems. I also created Python and Arduino code to automate the landing gear retraction, initiating the retraction sequence three seconds after takeoff.
As part of my aerospace flight mechanics lab, I conducted research to dramatically reduce drag on a radio-controlled airplane's fuselage. Traditional small-scale aviation training devices often feature rectangular fuselages, which create a flat, square face that increases drag and reduces flight efficiency. My research focused on aerodynamics, streamlining airflow along the fuselage, and optimizing an ogive nose cone design.
The findings supported the use of coro sheets, which are tough, lightweight, and have a smooth surface that effectively reduces surface drag. The coro sheets were cut and curved to form a circular fuselage with wing supports, improving aerodynamic performance and overall flight efficiency.
Aircraft with retractable landing gears and circular fuselage
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