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  1. Hadi-Kh

    Validation of Ceasar II results (Pump Nozzle Overload) on under-operation pumps

    Hi Edward Thanks for your comment. Do you think installation of a dial indicator on the pump's flange is a reasonable way to verify default stiffness value of CAESAR. That is, to compare value of flange displacement predicted by the software (0.2 mm) with actual displacement value measured by...
  2. Hadi-Kh

    Validation of Ceasar II results (Pump Nozzle Overload) on under-operation pumps

    Hi LittleInch The value given by pipe vendor has been entered in the model. But as you know there is limitation in GRP "stress intensification" coefficient even by GRP manufacturers. Pump vendor ,as usual, declined to give stiffness value of pump nozzle so the default value of CAESAR is...
  3. Hadi-Kh

    Validation of Ceasar II results (Pump Nozzle Overload) on under-operation pumps

    Hi MJCronin The reason that the pipe system was re-investigated is as per your message: the pipe is not flexible. The location and situation of the pipe have limitations but we could find ways to re-engineer and resolve the issue with the cost of downtime. But the problem is that some of our...
  4. Hadi-Kh

    Validation of Ceasar II results (Pump Nozzle Overload) on under-operation pumps

    Dear All We are operating a pump house for about 1 year. We have some maintenance issues but I can not say its numbers are abnormal. Pump House includes: Five pumps (each 1 MW - 60m Head) run in parallel. The pipe is made of GRP Fluid: Seawater 17-37 C Recently We have received a revised...
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