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Modeling of Gas Governor System with Venturi
Kunio Okada,Tomoaki Takeuti,Chongo Youn,Toshiharu Kagawa 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
The AFV is often used as gas governor to control pressure in gas pipeline. The AFV has a pilot line to control the downstream pressure. The pilot line consists of pilot valve and restrictor. An orifice or venturi is used for the restrictor. However, the modeling of pilot line with venturi is not studied yet. In this paper, we investigate the characteristics of the pilot line with venturi, and propose the modeling of pilot line. The characteristics of venturi and pilot valve are examined by using the pneumatic system. The effectiveness of the proposed modeling was confirmed by experiment.