Honeywell SMV 3000 user manual Parameters

		Parameters
A’d		Area of orifice
A’u		Area of pipe
C		Flow coefficient or orifice discharge coefficient
d1		Inside diameter of pipe
d2		Orifice plate bore diameter at flowing temperature
do		Inside diameter of orifice
Ev		Velocity of approach factor
Fpv		Super compressibility factor
g		Acceleration of gravity
Kq		Scaling factor for volumetric flow in PV4 algorithm
Kw		Scaling factor for mass flow in PV4 algorithm
Nc		Units conversion factor
P		Pressure
Pa		Measured static pressure in PV4 algorithm
Pc		Absolute critical pressure of the gas
Pd		Static pressure at downstream point
Pdp		Measured differential pressure in Pascals in PV4 algorithm
Pf		Absolute pressure of flowing gas
Pr		Reduced pressure
Pu		Static pressure at upstream point
Qh		Volumetric rate of flow in PV4 algorithm
Qs		Rate of flow
R		Gas constant
T		Absolute temperature
Ta		Measure process temperature in PV4 algorithm
Tc		Absolute critical temperature of the gas
Tf		Absolute temperature of flowing gas
Tr		Reduced temperature
Tref		Absolute temperature of reference flow in PV4 algorithm
v	...................................................................................................................................	Specific volume
Vd		Fluid velocity at downstream point
Vu		Fluid velocity at upstream point
Wh		Mass rate of flow in PV4 algorithm
Y		Expansion factor
Z		Compressibility factor
γ ( gamma)		Fluid density
ρ		................................ Density
ρ	act	Actual density in PV4 algorithm
ρ	des	Design density in PV4 algorithm
ρ	r	Density of fluid under reference conditions

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