Chemical Engineering
6 years ago

Turbocharged aircraft engines face performance loss at high altitudes.

Applied Thermal Engineering
Performance prediction of aircraft gasoline turbocharged engine at high-altitudes
Hossein Mansouri, Fatholah Ommi

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A study used computer modeling to analyze how a popular airplane engine, the Rotax-914, performs during climbs. The model showed that the engine's turbocharger helps maintain good performance up to 18,000 feet, but struggles beyond that altitude. Higher temperatures can cause a 10% drop in engine power, affecting performance during climbs. Altitude has a bigger impact on engine performance than temperature once the turbocharger reaches its limit.