One helical coil pipe immersed into hot water tank,Hot water keep 90C via other heaters. air will pump into helical coil, how to simulation this case? especially how to define water in flow simulation?
What have you tried so far? Where have you come up with problems?
This sounds very similar to the heat exchanger in the tutorials.
1 default subdomain for the water in an internal analysis
1 additional subdomain for the air in the tube at flow rate and pressure on the other end
Model heaters based on their heat into the system
However,water is still, no flow, no inlet and outlet. how to set up water?
If the water isn't flowing, why not just set 90C on the walls of the coil and be done with it? Will save you a lot of computational overhead.
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