The dynamic behavior of the heat exchanger shown in figure can be described by the following transfer
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The dynamic behavior of the heat exchanger shown in figure can be described by the following transfer functionsThe valve lift x is measured in inches. Other symbols are defined in Figure.(a) Find the Ziegler-Nichols settings for a PT controller.(b) Calculate the corresponding gain and phasemargins.
Transcribed Image Text:
Process: 2 °FA6 min T' (0.432s + 1)(0.017s + 1) Control valve: X _0.047 in/psi P 0.083s + 1 lb - 112 min in X' Temperature sensor-transmitter: Pr 0.12 psi/°F T 0.024s + 1 Steam T. X-D- TC Process fluid w, T Condensate Trap
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Related Book For
Process Dynamics And Control
ISBN: 978-0471000778
2nd Edition
Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellich
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