capillary pressure in multiphase model

March 12, 2004, 04:08

hi...I am using eulerian multiphase model, to model gas and liquid flow through a packed bed. I want to inlcude the capillary pressure in the conservation equations. How that can be achieved?

Shekhar

March 12, 2004, 13:45

Hi, You can do it using a source term in the momemtum equation. Here are the steps to follow: 1 - substitutes for each phae the pressure gradiant term -> - rho.gradP.

2 - then add the source term computing your capillarity pressure

thomas

March 23, 2004, 01:35

Hi Thomas, i dint get you. Actually i dint get ur first step itself. It will really help me if u can explain the steps again. Thanking You in adv

Shekhar

March 23, 2004, 03:28

Hi, Rather than getting throught a painful explaination i advice you to have a look to the following publication:

''Numerical predictiuon of 2 phase flow in bubble column''. N. Boisson, M.R. MALIN.

Good luck. Thomas

March 12, 2004, 04:08	capillary pressure in multiphase model	#1
Shekhar Guest Posts: n/a	hi...I am using eulerian multiphase model, to model gas and liquid flow through a packed bed. I want to inlcude the capillary pressure in the conservation equations. How that can be achieved? Shekhar

March 12, 2004, 13:45	Re: capillary pressure in multiphase model	#2
thomas Guest Posts: n/a	Hi, You can do it using a source term in the momemtum equation. Here are the steps to follow: 1 - substitutes for each phae the pressure gradiant term -> - rho.gradP. 2 - then add the source term computing your capillarity pressure thomas

March 23, 2004, 01:35	Re: capillary pressure in multiphase model	#3
Shekhar Guest Posts: n/a	Hi Thomas, i dint get you. Actually i dint get ur first step itself. It will really help me if u can explain the steps again. Thanking You in adv Shekhar

March 23, 2004, 03:28	Re: capillary pressure in multiphase model	#4
thomas Guest Posts: n/a	Hi, Rather than getting throught a painful explaination i advice you to have a look to the following publication: ''Numerical predictiuon of 2 phase flow in bubble column''. N. Boisson, M.R. MALIN. Good luck. Thomas

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