Does your water region have an inlet/outlet?
Use AIR as the standard fluid
Then define WATER as a fluid sub-domain
Make sure you select Heat transfer in Solids.
yes it does.
I have defined a fluid sub-domain in the tubes, set boundary conditions for an inlet flow and a static pressure at the outlet. Below is a picture of the fluid sub domain and the computational domain. The fluid inlet is at the tops of the fluid domain and static pressure at the bottom. I have selected heat transfer in solids.
This simulation returns a small heat loss in the fluid approx. 0.1 of a degree but this is without air flow past the tubes. Could you explain more about how to create an air flow within the computational domain.
You need to set this up as an EXTERNAL analysis. And then apply an initial condition to simulate the air flowing around the outside (with respect to global XYZ).
You may need to change the computational domain to make it large enough to capture any effects around the edges.
Yes it is possible through SW Flow Simulation. (like suggestion from Brian)
A similar example is available in Online tutorial under Heat Exchanger efficiency topic, where air is cooled through water.... (like shown below).
In general wizard--->select two fluids. use fluid subdomain--->create.
For setup conditions, upload your model here...
Thanks for the response, unfortunately i am unable to do this as i do not have a pipe or channel for the air flow which i can attach lids and therefore flow. I am just trying to create an airflow within the computational domain which flows past the model.
just make one up and put ideal walls - you need surfaces to put the BC's on in an internal analysis. You could use an external and use symmetry and a free stream velocity and just make the domain the appropriate size - like a duct.
if you are comfortable with internal analysis, create a "wind tunnel" and apply bcs at the inlet and outlet to drive the external flow
and then whatever your bcs are for your internal flow should be straight forward
if you know external analysis, just make the comp domain big enough to be like your wind tunnel and then apply initial conditions to drive the external flow
you'll need a fluid sub domain to set the initial conditions for your internal flow
and did you find a solution or did you get a result david?
im trying to do a similar simulation but i have to try out the answers of the others here,