August 2011

Special Report: Fluid Flow and Rotating Equipment

Use a new calibration method for gas pipelines

An advanced method improves calibrating orifice flowmeters while reducing maintenance costs

Guemana, M., Aissani, S., University of Boumerdes; Hafaifa, A., University of Djelfa

A novel calibration approach can save on maintenance costs for industrial gas pipeline systems. A new intelligent measurement technique for gas flow uses a sonic nozzle sensor. A case history examines the application and test validity for such measurement technology on a high-volume natural gas pipeline system. Background. There has been increased interest by nozzle manufactures to design nozzles that will effectively reduce the volume flow in gas compression systems.1 Compressible flow dynamics are a critical aspect of many engineering applications in processes and equipment, such as expansion processes, high- and low-pressure nozzles, valves and compressors.2–4 This study is focu

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