What is the maximum expected bleed air temperature in gas turbines?

The maximum expected bleed air temperature in gas turbines typically reaches around 900°F. This temperature is significant because bleed air is extracted from the compressor section of the turbine and is often used for various purposes such as aircraft cabin pressurization, engine start operations, and anti-ice systems. Operating at or around this temperature is crucial for maintaining efficiency and preventing thermal stress on materials within the engine.

Higher temperatures beyond this limit can lead to material degradation, potential failure, and decreased performance of the turbine components. Therefore, while other temperatures listed may seem plausible, 900°F is established as a practical upper limit that aligns with standard operating conditions for gas turbines to ensure reliability and operational safety.