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김영범(Young-bum Kim),하각현(Kag-hyun Ha),김봉호(Bong-ho kim),국민성(Min-sung Kuk) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
The conventional severe duty control valves have been used to control pressure or temperature at the locations occurring high differential pressure and high temperature which causes cavitation, flashing, severe vibration due to abrupt flow change, and sudden pressure control. Previous studies concerning control valves focused to prevent damage of valve trim due to the internal leak and low flow rate. The newly designed control valve has been installed at the location of high pressure change and high temperature in a power plant, and operated for evaluation. It is confirmed that the new control valve developed in this study generates flow characteristics in comparison with previous control valves.