Fluid Meters Their Theory and Application

Figure 2-18. Flow coefficient C for square edged orifices. By permission, Crane Co. [3], Technical Paper 410 Engineering Div. (1976) and Fluid Meters, Their Theory and Application Part 1, 6th Ed., 1971, American Society of Mechanical Engineers and, Tuve, G. L. and Sprenkle, R. E., Orifice Discharge Coefficients for Viscous Liquids, Instruments Nov. 1933, p. 201.

Determine the steam viscosity and meter flow coefficient. From the ASME publication Fluid Meters—Their Theory and Application, the steam viscosity gu for a steam system operating at 640°F is gui = 0.0000141 in lb/(°F)(s)(ft2). 

FIGURE 3.5 Venturi meter system (a) flushing system (b) Venturi meter (c) coefficient of discharge. (From ASME (1959). Fluid Meters—Their Theory and Application, Fairfield, NJ Johansen, F. C. (1930). Proc. R. Soc. London, Series A, 125. With permission.) (d) Piezometer taps for lighter indicator fluid. 

ASME (1959). Fluid Meters—Their Theory and Application. American Society of Mechanical Engineers, Eairfield, NJ. 

Fluid Meters, Their Theory and Application, Report of ASME Committee on Fluid Meters, Fifth Edition (1959). 

Fluid Meters Their Theory and Applications, ASME International, New York (1959). 

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