Compressor Control ¹æ¹ýÁß¿¡¼ Inlet Guide VaneÀÌ ±¸Ã¼ÀûÀ¸·Î ¾î¶² ¿ø¸®·Î ÀÛµ¿ÇÏ´Â °ÍÀΰ¡¿ä?
GPSA
The direction of the swirl is normally the same as the direction of
rotation of the impeller which results in a decrease in the head produced by the compressor stage.
The reduction in head produced gives guide vane control an efficiency advantage over inlet throttling.
Gas Conditioning and Processing says
"Adjustable inlet guide vanes essentially change the aerodynamic characteristics of the first impeller.
This is accomplished by pre-whirling the gas entering the wheel in the direction of rotation, thereby developing less head than design.
The efficiency declines as well but not as much as the head so the net result is lower driver power."
ImpellerÀÇ È¸Àü ¹æÇâÀ¸·Î pre-rotationÀ» ÁÖ¸é ¿Ö Head ReductionÀÌ ÀϾ´Â °ÍÀϱî¿ä?
Inlet Guide VaneÀÌ Suction Throttle Valve º¸´Ù EfficientÇÑ ÀÌÀ¯´Â ¹«¾ùÀΰ¡¿ä?