What is the functional difference between an inlet guide vane and a variable guide vane in a gas turbine? - Quora
![model aircraft: AIRFLOW CONTROL - A hydraulically operated bleed valve and inlet guide vane airflow control system. model aircraft: AIRFLOW CONTROL - A hydraulically operated bleed valve and inlet guide vane airflow control system.](http://1.bp.blogspot.com/-0lR3Gqeszbg/Tv8PQv9NrOI/AAAAAAAABZM/BTPn9sS74E0/s1600/17.jpg)
model aircraft: AIRFLOW CONTROL - A hydraulically operated bleed valve and inlet guide vane airflow control system.
![Variable Inlet Guide Vanes Boost Centrifugal Air Compressor Efficiency | Compressed Air Best Practices Variable Inlet Guide Vanes Boost Centrifugal Air Compressor Efficiency | Compressed Air Best Practices](https://www.airbestpractices.com/sites/default/files/Figure_1_0.png)
Variable Inlet Guide Vanes Boost Centrifugal Air Compressor Efficiency | Compressed Air Best Practices
![Entropy | Free Full-Text | Investigation of the Combined Effect of Variable Inlet Guide Vane Drift, Fouling, and Inlet Air Cooling on Gas Turbine Performance Entropy | Free Full-Text | Investigation of the Combined Effect of Variable Inlet Guide Vane Drift, Fouling, and Inlet Air Cooling on Gas Turbine Performance](https://www.mdpi.com/entropy/entropy-21-01186/article_deploy/html/images/entropy-21-01186-g001.png)
Entropy | Free Full-Text | Investigation of the Combined Effect of Variable Inlet Guide Vane Drift, Fouling, and Inlet Air Cooling on Gas Turbine Performance
![Variable Inlet Guide Vanes Boost Centrifugal Air Compressor Efficiency | Compressed Air Best Practices Variable Inlet Guide Vanes Boost Centrifugal Air Compressor Efficiency | Compressed Air Best Practices](https://www.airbestpractices.com/sites/default/files/Figure_2.png)