Meshing a nozzle

parvaz747 · April 9, 2013, 10:39

I want to solve a 2-dimension DC nozzle flow in fluent. I want to use komega SST turbulence model. I have some problems in meshing the nozzle. nozzle is designed for mach number of 2.
For kw-SST what is the better value of y+?
What is the value of 1st raw thickness and number of layers?
thank you.

Far · April 26, 2013, 11:43

Parvaz which software you want to use for meshing?

cartman · April 28, 2013, 07:55

I love to set parameters as exponential law at nozzle-wall,

usually 0.001 mm, ratio of 1.2 is given for my simulation

(that conditions well predict the boundary layer/flow separation around the wall)

- sorry about my weird writes, I'm not good at English -

April 9, 2013, 10:39	Meshing a nozzle	#1
parvaz747 New Member parviz hashemi Join Date: May 2012 Posts: 2 Rep Power: 0	I want to solve a 2-dimension DC nozzle flow in fluent. I want to use komega SST turbulence model. I have some problems in meshing the nozzle. nozzle is designed for mach number of 2. For kw-SST what is the better value of y+? What is the value of 1st raw thickness and number of layers? thank you.

April 26, 2013, 11:43		#2
Far Super Moderator Sijal Ahmed Memon (turboenginner@gmail.com) Join Date: Mar 2009 Location: Islamabad Pakistan Posts: 3,066 Blog Entries: 4 Rep Power: 30	Parvaz which software you want to use for meshing? __________________ Best Regards Far http://cfd-consultancy.webs.com/

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April 28, 2013, 07:55		#3
cartman Member Chris, Kam Join Date: Nov 2010 Location: Busan, South Korea Posts: 41 Rep Power: 4	I love to set parameters as exponential law at nozzle-wall, usually 0.001 mm, ratio of 1.2 is given for my simulation (that conditions well predict the boundary layer/flow separation around the wall) - sorry about my weird writes, I'm not good at English -