Souders-Brown Equation
Souders-Brown equation is used to find the maximum allowable vapor velocity in vapor-liquid seperation vessels.
Souders-Brown Equation formula |
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| \(\large{ v = K \; \sqrt{ \frac{\rho_l \;-\; \rho_v}{\rho_v} } }\) | ||
| Symbol | English | Metric |
| \(\large{ v }\) = maximum allowable vapor velocity | \(\large{\frac{ft}{sec}}\) | \(\large{\frac{m}{s}}\) |
| \(\large{ \rho_l }\) (Greek symbol rho) = density of liquid | \(\large{\frac{lbm}{ft^3}}\) | \(\large{\frac{kg}{m^3}}\) |
| \(\large{ \rho_v }\) (Greek symbol rho) = density of vapor | \(\large{\frac{lbm}{ft^3}}\) | \(\large{\frac{kg}{m^3}}\) |
| \(\large{ K }\) = vapor velocity factor | \(\large{dimensionless}\) | |
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K Factors for maximum allowable superficial velocity (API Spec 12J)
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\(\large{dimensionless}\) | |
