Fluid velocity measurement device for a generating bank tube

Details Fluid velocity measurement device for a generating bank tube Fluid velocity measurement device for a generating bank tube

1990-08-17

1992-12-15

Williams, Hezron E.

Measuring and testing

Volume or rate of flow

Using differential pressure

G01F 100, G01F 146

Patent

active

051706725

ABSTRACT:
An apparatus for determining the fluid velocity and direction of flow in a generating bank tube attached to a drum of a boiler provides fluid to a measurement area located within the drum. In one embodiment, static and dynamic pressures of the fluid within the measurement area are determined by a pitot tube assembly located in the measurement area and sent to a pressure measuring device such as a U-tube manometer or a Bourdon gage for a direct pressure reading, or to a pressure transmitter to produce signals for processing by a calculating device. The calculating devices processes the pressure transmitter signals representative of the pressures, uses the energy equation to calculate the fluid velocity based upon these pressures, and transmits same to a display device for reading by an operator. In another embodiment, a flowmeter is used on the measurement area directly and transmits the fluid velocity to a display device.

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Babcock & Wilcox, Publishers, "Steam/its generation and use", New York, 1975, pp. 33-38.

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