6.4. (a) Find the transfer functions H/Q and Hy/Q for the three-tank system shown in Fig. P6-4 where H2, H3, and Q are deviation variables. Tank I and tank 2 are interacting. (b) For a unit-step change in q (that is, Q 1/s), determine H3(0) and H3(0), and sketch H3(1) versus t.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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6.4. (a) Find the transfer functions H/Q and H3/Q for the three-tank system shown in Fig. P6-4
where H2, H3, and Q are deviation variables. Tank I and tank 2 are interacting.
(b) For a unit-step change in q (that is, Q = 1/s), determine H3(0) and H3(), and sketch
H3(1) versus t.
A, = 1
h2
R = 2
R=2
Tank 1
Tank 2
Az= 0.5
hy
R3=4
Tank 3
Transcribed Image Text:6.4. (a) Find the transfer functions H/Q and H3/Q for the three-tank system shown in Fig. P6-4 where H2, H3, and Q are deviation variables. Tank I and tank 2 are interacting. (b) For a unit-step change in q (that is, Q = 1/s), determine H3(0) and H3(), and sketch H3(1) versus t. A, = 1 h2 R = 2 R=2 Tank 1 Tank 2 Az= 0.5 hy R3=4 Tank 3
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