Net Positive Suction Head Vapor Pressure formula
|
| \(\large{ p_v = - \gamma \; \left( NPSH - \frac{ v^2 }{ 2 \; g } - \frac{ p }{ \gamma } \right) }\) |
| Symbol |
English |
Metric |
| \(\large{ p_v }\) = vapor pressure |
\(\large{\frac{lbf}{in^2}}\) |
\(\large{\frac{kg}{m-s^2}}\) |
| \(\large{ NPSH }\) = net positive suction head |
\(\large{\frac{lbf}{in^2}}\) |
\(\large{\frac{kg}{m-s^2}}\) |
| \(\large{ p }\) = pressure |
\(\large{\frac{lbf}{in^2}}\) |
\(\large{Pa}\) |
| \(\large{ \gamma }\) (Greek symbol gamma) = specific weight |
\(\large{\frac{lbf}{in^2}}\) |
\(\large{\frac{N}{m^3}}\) |
| \(\large{ v }\) = velocity |
\(\large{\frac{ft}{sec}}\) |
\(\large{\frac{m}{s}}\) |
