Difference between revisions of "Griffith correlation"
From wiki.pengtools.com
(→Brief) |
(→Math & Physics) |
||
Line 9: | Line 9: | ||
The bubble flow exist when: | The bubble flow exist when: | ||
:<math> \frac{q_g}{q_g + q_L} < L_B </math><ref name= Orkiszewski /> | :<math> \frac{q_g}{q_g + q_L} < L_B </math><ref name= Orkiszewski /> | ||
+ | |||
+ | :<math> L_B = 1.071 - 0.2218 \frac{(v_g+v_L)^2}{D}</math><ref name= Orkiszewski /> | ||
The gas holdup: | The gas holdup: |
Revision as of 16:05, 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: