Assuming you maintain the same power output,...

Question 1 / 2066636eed28f7522a1c51de2a

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 20

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?

Efficiency will increase and fuel consumption will decrease.

Efficiency will decrease and fuel consumption will increase.

Efficiency and fuel consumption will not be affected by a change in inlet air temperature.

Efficiency and fuel consumption will both increase.

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Question 1 / 2066636eed28f7522a1c51de2a

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?

Quick actions

— No credit card needed