Steady or non-steady?

  1. Suppose I am putting a compound A in a reactor where the reaction A → B is occuring. If the concentration of A coming into the tank and leaving the tank are not changing (meaning, the value of C_a in is not the same as C_a out, but C_a out stays the same throughout) and the volumetric flow rate in and out is equal, is the process steady or non-steady?

    Since the flow rate in and out are the same, I would think steady state, but since the concentration in is not the concentration out, does that imply non steady?
  2. jcsd
  3. Chestermiller

    Staff: Mentor

    Steady state means that nothing is changing with time at all arbitrary spatial locations.
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