may3rd / gcmexll

Excel add-ins (xll) for Process Enginee

GCMEXLL

Modules

1. Unit Convertion
2. Steam Table (based on IAPWS)
3. Restriction Orifice Calculation

1. Unit Convertion

The unti convertion is based on Unit Convert.

2. Steam Table

3. Restriction Orifice Calculation

4. Control Valve Sizing

$$ C_V = Q \sqrt{\frac{SG}{\Delta P}}$$

where:

$Q$ is volumetric flow rate in SCFH, standard cubic feet per hour,

$SG$ is fluid specific gravity at standard conditions (water = 1.0)

$\Delta P$ is the differential pressure across the valve in PSI

$\Delta P = P_1 - P_2$