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How to set 1000 or 2000 PPM in fluent in erosion study?

- December 14, 2024 at 7:28 am
  
  rahul_kv
  Subscriber
  
  I am trying to do an erosion study in a pipe case in fluent with different concentrations like 1000 ppm and 2000 ppm, but in DPM injection, I saw the option of flow rate, velocity, and diameter of the particle. But How to set concentration in PPM?
- December 16, 2024 at 10:17 am
  
  Rob
  Forum Moderator
  
  You don't. You need to convert your PPM data into mass for the injection.
- December 16, 2024 at 10:22 am
  
  rahul_kv
  Subscriber
  
  Can you Please guide me on how to convert it into mass for injection and where to enter that converted mass? As in the Injection option in fluent, I can see the option to enter the flow rate (in kg/s). Is this the input that you mean?
- December 16, 2024 at 10:35 am
  
  Rob
  Forum Moderator
  
  Yes, injections work on kg/s. Velocity then governs how quickly that mass enters the domain.

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