Slotted orifice flowmeter
Abstract
A flow impedance device is provided for an obstruction flowmeter for determining the flow rate of a compressible or incompressible fluid in a conduit. The flowmeter has means for measuring the temperature and pressure of the fluid as well as the pressure differential across the flow impedance device, and further means for computing a flow rate from the measured pressures. The flow impedance device includes a plate having a plurality of elongated openings arranged in a predetermined pattern. The plate is installed generally transversely in the conduit to force the fluid to flow through the plurality of elongated openings.
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Citation
Hall, Kenneth R.; Morrison, Gerald L.; Holste, James C. (1994). Slotted orifice flowmeter. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from https : / /hdl .handle .net /1969 .1 /176496.