CFD Online Logo CFD Online URL
Home > Forums > FLUENT

Porous Natural Convection, underestimating Nusselt

Register Blogs Members List Search Today's Posts Mark Forums Read

LinkBack Thread Tools Display Modes
Old   August 8, 2007, 00:41
Default Porous Natural Convection, underestimating Nusselt
Posts: n/a
Dear Users,

Given: a 2D cavity filled with saturated porous medium.

BCs: Horizontal wall = Adiabatic; Vertical Wall = at constant tempereture (e.g., delta T=10C)

Flow Regime: Laminar

When compared to available experimental and numerical data, Nusselt obtained from my work is underestimated and is lower in a wide range of Rayleigh numbers.

Nusselt is calculated from Nu=Q_Convection/Q_Conduction.

Is it right to get Q_Convection from: Report menu>Fluxes>Heat Transfer and reciprocate the permeability of porous media to obtain viscous resistance.
  Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
natural convection problem with radiation jorien CFX 0 October 14, 2011 09:26
please help me about finding local Nusselt No. for natural convection chaiworw Main CFD Forum 2 June 15, 2011 13:45
Porous Natural Convection, underestimating Nusselt Alex FLUENT 2 August 9, 2007 00:26
Nusselt of Natural Convection in Porous Media Alex FLUENT 0 August 8, 2007 08:02
Porous + Natural Convection Alex FLUENT 4 April 21, 2006 05:47

All times are GMT -4. The time now is 02:33.