Assuming you maintain the same power output,...

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Question 1 of 2066636eed28f7522a1c51de2a

Assuming you maintain the same power output, how will a decrease in the compressor inlet air temperature effect a gas turbine engine's efficiency and fuel consumption?

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Question 1 of 20

66636eed28f7522a1c51de2a

Assuming you maintain the same power output, how will a decrease in the compressor inlet air temperature effect a gas turbine engine's efficiency and fuel consumption?

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🔍 Key Concepts

• Gas turbine thermodynamic cycle (Brayton cycle) and how compressor inlet temperature affects air density • Relationship between air density, mass flow rate, and power output in a constant-power condition • How thermal efficiency changes with cooler vs. hotter inlet air for the same shaft power

💭 Think About

• If the inlet air gets colder but power output is held constant, what happens to the mass of air entering the compressor for each second? Denser or lighter? • With denser air and the same power output, do you need more, less, or the same amount of fuel to achieve that power? Think about the air–fuel ratio. • How does a lower inlet temperature affect the overall pressure ratio and specific work of the cycle, and does that tend to help or hurt efficiency?

✅ Before You Answer

• Confirm how colder inlet air changes air density and thus mass flow rate into the compressor at the same RPM. • Consider whether improved air density at the inlet generally helps or harms specific fuel consumption (SFC) for gas turbines. • Eliminate any choice that suggests no effect if you can reason that density and fuel flow must change to hold power constant.

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Question 1 of 2066636eed28f7522a1c51de2a

Assuming you maintain the same power output, how will a decrease in the compressor inlet air temperature effect a gas turbine engine's efficiency and fuel consumption?

Back

Question 1 of 20

66636eed28f7522a1c51de2a

Assuming you maintain the same power output, how will a decrease in the compressor inlet air temperature effect a gas turbine engine's efficiency and fuel consumption?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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