Difference between revisions of "Griffith correlation"
From wiki.pengtools.com
(→Math & Physics) |
(→Math & Physics) |
||
| Line 12: | Line 12: | ||
The gas holdup: | The gas holdup: | ||
:<math> H_G = \frac{1}{2}\ \left ( 1 + \frac{v_g+v_L}{v_s} - \sqrt{ \left ( 1 + \frac{v_g+v_L}{v_s} \right )^2 - 4 \frac{v_g}{v_s}} \right ) </math><ref name= Orkiszewski /> | :<math> H_G = \frac{1}{2}\ \left ( 1 + \frac{v_g+v_L}{v_s} - \sqrt{ \left ( 1 + \frac{v_g+v_L}{v_s} \right )^2 - 4 \frac{v_g}{v_s}} \right ) </math><ref name= Orkiszewski /> | ||
| − | |||
| − | |||
| − | |||
The liquid holdup: | The liquid holdup: | ||
Revision as of 15:54, 27 March 2017
Brief
The Griffith correlation is an empirical correlation which defines:
- The boundary between the bubble and slug flow
- The void fraction of gas in bubble flow - gas hold up HG
Math & Physics
The bubble flow exist when:
The gas holdup:
The liquid holdup:
