Class 33

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The Age Function from Step-Change Stimuli

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Learning Outcomes

After completing Class 33 you should…

  • Know the definition/defining equation for fluid element, cumulative/differential age distribution function, tracer, step-change/impulse stimulus, stimulus response, cumulative age distribution function for a CSTR/PFR
  • Understand
    • the stimulus is applied instantaneously at the reactor inlet
    • the response is measured at the reactor outlet as a function of time elapsed since the stimulus was applied
    • the cumulative age distribution function ranges from 0 at an age of 0 to 1 at an age of infinity
    • the measured cumulative age distribution function for a reactor matching the ideal CSTR/PFR cumulative age distribution function is a necessary, but not sufficient condition for the reactor to be modleled as an ideal CSTR/PFR
  • Be able to calculate the cumulative age distribution function vs. age using step-change stimulus response data

Prepare

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Participate

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Practice

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