Dear experts,
I am working on designing additively manufactured heat exchangers for a heat pump. I have the following data available with me:
There are 2 fluids passing through a heat exchanger, the flow is steady-state laminar.
Fluid 1: Silicon oil (10 cSt)
Temperature at inlet = 70 °C
Mass flow at inlet = 912 cc/s
Temperature at Outlet = unknown (should be more than 65°C)
--
Fluid 2: Water+glycon mix (50% Vol./Vol.)
Temperature at Inlet = 10 °C
Mass flow at inlet = unknown (can be assumed)
Temperature at Outlet = unknown (should not be less than 65°C)
--
Heat duty (Q) = 4000 Watts
My aim is to heat Fluid 2 from 10°C to 65°C while maintaining Q
Hello,
Getting outlet temperature over 65 oC, depends on the condition of the two fluids. if the inlet temperature is fixed. Then you can either control the cross-section area or the flow rate of both fluid.
Hello Haydey,
Many thanks for answering my query. That's excellent! I can tweak the mass flow rate values in my simulations to get the desired temperature values at the outlets. Also, I believe that adjusting mass flow will help me follow the heat duty constraint ( Q < 4000 W). Apologies for not mentioning it earlier, I have now added it to the question.
Dear Rajas, I think this analytical formula can help.
Article Introducing the analytical causal closed-form LMTD
- Badges
- Science topic