Y Bishal Singha

1. Spacecraft Thermal Engineering
Designed active and passive thermal control systems for spacecraft systems.
Carried out thermal modeling, worst-case analysis, margin definition, and test correlation.

Designed thermal protection systems, capable of withstanding high heat flux during aerobraking.
Developed a worst-case thermal prediction framework, evaluating multiple spacecraft attitudes and durations to identify maximum thermal exposure envelopes.

Applied inverse heat transfer techniques to extract thermal contact conductances at spacecraft interfaces, including experiment design and detailed thermal modeling.

2. Active Cooling Systems for Thermal Management
Technical lead for development of pumped fluid systems (single-phase and two-phase) for high heat-flux electronics and large heat load thermal management.
Developed system-level mathematical models for pumped fluid loop analysis.
Proposed design curves for minichannel heat sinks targeting high heat-flux applications, supporting rapid sizing and trade-off studies.
Established experimental test setups for active cooling systems, including instrumentation, operating envelope definition, and performance evaluation.
Performed model correlation and validation studies using experimental data.

Developed machine learning based predictive models for flow-boiling heat transfer coefficients, enabling higher accuracy (>90%) beyond conventional correlations.

3. Aerobraking Design for Interplanetary Missions
Technical lead for aerobraking thermal design and analysis for Venus and Mars missions.
Developed DSMC solvers for rarefied-flow aero-heating and drag force prediction.
Developed thermal control strategies for autonomous aerobraking.

Proposed wind tunnel test plan for aerobraking experiments.