9PETERS R J W, STEVEN R, CALDWELL S, et al. Testing the wafer V-cone flowmeters in accordance with API 5.7 "testing protocol for differential pressure flow measurement devices" in the CEESI Colorado test facility[J]. Flow Measurement and Instrumentation, 2006, 17(4): 247-254.
10IFFT, STEPHEN A. Installation effects on the V-cone flowmeter in gas[J]. American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED, Fluid Measurement and Instrumentation, 1997, 211: 63-68.
