Fluids

Fluids

When can I assume that a process is steady state?

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    • Keyur Kanade
      Ansys Employee
      When can I assume that a process is steady state?
    • Karthik R
      Administrator
      In systems theory, a system or a process is in a steady state if the variables (called state variables) which define the behavior of the system or the process are unchanging in time.
    • prajput
      Ansys Employee

      To add to @kremella 's response...Certain unsteady processes can also be approximated as steady ones. For example if the variation if the variables over time is small a process can be assumed to be steady state. 

      Under this assumption the time derivative in the governing equations can be neglected and the analysis is simplified.


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