Klein Chemical Engineering Page 81 Tray Methods

Figure 6.21 Dry pressure drop, (a) Discharge coefficients for gas flow in sieve trays. (&» Typical valve tray pressure drop profile. Valves start to open at point A (the closed balance point) and are fully open at point B (the open balance point). (Part a from I. Leibson, R, E. Kelley, and L. A. Bullington, Pet. Ref., February 1957, p. 127, reprinted courtesy of Hydrocarbon Processing. Part b from George F. Klein, Chemical Engineering, May 3, p. 81, 1982, reprinted courtesy of Chemical Engineering.)

Discharge Coefficient Liebson

Figure 6.21 Dry pressure drop, (a) Discharge coefficients for gas flow in sieve trays. (&» Typical valve tray pressure drop profile. Valves start to open at point A (the closed balance point) and are fully open at point B (the open balance point). (Part a from I. Leibson, R, E. Kelley, and L. A. Bullington, Pet. Ref., February 1957, p. 127, reprinted courtesy of Hydrocarbon Processing. Part b from George F. Klein, Chemical Engineering, May 3, p. 81, 1982, reprinted courtesy of Chemical Engineering.)

table 6.9 Coefficients for Valve Tray Dry Pressure Drop Equations

Coefficient

Meaning

Condition

Flat valve

0 0

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