Hi,
I asked this questions a few backs and got good feedback on how to set the problem up. I believe I did what I was informed to do but I am unsure.
I have a manifold design for my thesis and I am trying to simulate a vacuum drawing up through up from 16 nozzles to pick up small objects.
I was told to place the design is a small box and apply a 1atm pressure to the walls and leave the base pressure free.
I then applied a outlet volume flow rate to the outlet which will be attached to the vacuum pump.
as you can see in the images I don't think the results are right and I am wondering have I done something wrong in the set up??
There is no movement in the flow trajectories and the velocity is zero?
According to the color chart you have some incredibly high velocity somewhere. What does it look like if you decrease the max velocity? There is likely a leak that is causing high velocity through a small opening which makes the rest of your flow trajectory look like 0m/s.
So you have the top tube as a defined volume out? I'm a bit confused because you have trajectory arrows going both up and down there. So there is major turbulence at that point.
I'm struggling to recall the previous discussions about setting this up to know where the air is supposed to enter the system at... the 16 parts (nozzles) shown wireframe at the bottom? Then through the middle solid part and to the butterfly cavities before exiting at the tube on top?
Can you include a screenshot that includes your feature tree to help know what you've included?