35th Congress of the International Council of the Aeronautical Sciences

05 - Propulsion and Energy

NUMERICAL AND EXPERIMENTAL EVALUATION OF COMPACT TPMS AND OFFSET-STRIP-FIN HEAT EXCHANGERS FOR FUEL CELL SYSTEM COOLING IN AN ELECTRIC AIRCRAFT

C.K. Sain¹, S. Bhapkar¹, M. Kober¹, S. Kazula¹; ¹German Aerospace Center (DLR), Germany

The challenges of fuel cell power aircraft lie in reducing the weight and size of the system and its critical components. This paper presents a performance study of three compact heat exchanger designs for cooling fuel cell systems. The results of the CFD analysis show that the optimized gyroid pipe HEX design achieved the best thermohydraulic results outperforming offset-fin-plate design. rn


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DOI: 10.71945/icas2026_0652