We have recently designed an experimental setup to investigate the detailed thermofluidic mechanism of near-critical CO2. We need to pump, ensuring low flow rate, high operating pressure and also smooth flow (eliminate pulsation effects, caused by the pump, in the test section). Our specifications are 20 ml/min flow rate, 1-2 bar discharge pressure, 8 MPa operating pressure. I would like to be grateful if you could recommend the manufacturers. Best Regards.
I had this problem in a project and I adjusted these settings in my piping system not with manufacturing the special pump. Usually we need the output of pump and we can adjust our velocity with changes in area of pipe and according to Bernoulli equation, we can set the relation between pressure and velocity of fluid flow.
Dear Ergin Bayrak
In my previous work, I used a gear pump (Danfoss 3/4 hp/ Italy) with high pressure to circulate the refrigerant (R11) (from the condenser to boiler) in the steam jet refrigeration system.
Best regards
Thanks a lot, Dear Gholampour, Eidan, and Kareem. We decided to use a pulse free pump with an accumulator compensating any pressure wave.
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