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Transfer function for a system

  1. Jun 24, 2012 #1
    i need a help to obtain transfer function for a tank, where a heater is placed. the liquid temperature should be maintained at 45C . no inlet or out let. how to obtain the transfer function?? for analysisng about the controller?
  2. jcsd
  3. Jun 25, 2012 #2
    Actually the system is like this. a tank is placed inside another tank. consider outer tank as A and inner as B. the heating coil is placed inside tank B, for the purpose of heat distribution in the liquid inside tank A. tank A has inlets and outlet.
    but tank B water level is stationary no inflow or out flow. assume there wont be a mass loss as vapour.
    the required temp in outer tank A is 40 C. so i have build the relationship and obtain transfer function.

    please guide me . plzzzzzz
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