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  1. MAT73

    Why does the temperature increase in a liquid when pumped?

    Thanks a lot, I will gather more of the data and come back with a more detailed explanation of the system O am trying to evaluate. Thanks again.
  2. MAT73

    Why does the temperature increase in a liquid when pumped?

    Hello again, and thanks in advance for clarifying the following question. Thanks in advance for your help and guidance. Is the reason that the temperature in a liquid that is being pump increases due to the difference between the Break Horse Power of the Pump and the Actual Horsepower supplied...
  3. MAT73

    Understanding pressure in piping system for water flow in a 3 inch line vs half inch line

    Thanks for both replies...very helpful! LittleInch, you are right, I am suffering the "attacks of the Bernoullis" and Bernouilli is winning..... I am still not very clear on question number 4. For example if I had a centrifugal pump with discharge pressure of 3 bar and a flow of 100 kg/min and...
  4. MAT73

    Understanding pressure in piping system for water flow in a 3 inch line vs half inch line

    Thank you very much for the responses. It is clear to me, based on this, that the pressure relief valve will definitely open and therefore I will see a significantly smaller flow through the 0.5 inch tubing. If you do not mind, could you help clarify some concepts that I always see when...
  5. MAT73

    Understanding pressure in piping system for water flow in a 3 inch line vs half inch line

    Hope you can help me with the following question. In a system that has a positive displacement pump supplying 500 liters/min of water into 3 inch tubing, how can I calculate the increase in a pressure that would occur if suddenly the flow was diverted to a 1/2 inch tubing diameter. Attached...

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