Variable stator vanes give an axial gas...

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Question 1 of 2066636eed28f7522a1c51e40d

Variable stator vanes give an axial gas turbine compressor which of the following capabilities?

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Question 1 of 20

66636eed28f7522a1c51e40d

Variable stator vanes give an axial gas turbine compressor which of the following capabilities?

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🔍 Key Concepts

• Variable stator vanes (VSVs) in axial compressors and how they change the angle at which air hits the rotor blades • Relationship between compressor airflow, angle of attack, and surge/stall margin at part‑load speeds • Difference between constant flow, constant pressure ratio, and high efficiency over a range of speeds

💭 Think About

• Think about what happens to the air’s direction and speed when stator vanes are turned more open or more closed at low vs. high rotor speeds. • Ask yourself: is it realistic for any gas turbine to keep flow or compression ratio perfectly constant at all speeds, or is the goal usually something else? • Consider which option best matches the idea of keeping the compressor operating safely and effectively when speed and load change.

✅ Before You Answer

• Check which choice sounds like a control/optimization goal over a range of speeds rather than an absolute constant value. • Verify which parameter (airflow, surge margin, efficiency, compression ratio) is most directly affected when you change the inlet guide vane / stator vane angle. • Eliminate any option that claims a compressor can keep a parameter exactly constant across all speeds, and focus on what designers typically try to improve with variable geometry.

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Question 1 of 2066636eed28f7522a1c51e40d

Variable stator vanes give an axial gas turbine compressor which of the following capabilities?

Back

Question 1 of 20

66636eed28f7522a1c51e40d

Variable stator vanes give an axial gas turbine compressor which of the following capabilities?

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

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