h2 R2 92 Figure 3 The storage tank shown in Figure 3 is equipped with a sight glass to provide a visual indication of liquid level. As part of a level control system, a level sensor will be connected to either the tank or the sight glass. The sight glass is considered because the tank level measurement is quite noisy due to turbulence, splashing liquid, etc. Assume the cross-sectional areas of the tank and sight glass are A1 = 3 m? and A2 = 0.5 m? respectively. To determine how the process dynamics are affected by the choice of sensor location, do the following: a) Derive the transfer functions H1' (s)/Q' (s) and H2' (s)/Q' (s), assuming that both valve and piping between the tank and the sight glass act as linear resistances with values RỊ = 1.5 min/m²and R2= 4 min/m², respectively.

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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h2
R2
92
Figure 3
The storage tank shown in Figure 3 is equipped with a sight glass to provide a visual indication of liquid
level. As part of a level control system, a level sensor will be connected to either the tank or the sight glass.
The sight glass is considered because the tank level measurement is quite noisy due to turbulence, splashing
liquid, etc. Assume the cross-sectional areas of the tank and sight glass are A1 = 3 m? and A2 = 0.5 m?
respectively. To determine how the process dynamics are affected by the choice of sensor location, do the
following:
a) Derive the transfer functions H1' (s)/Q' (s) and H2' (s)/Q' (s), assuming that both valve and piping
between the tank and the sight glass act as linear resistances with values RỊ = 1.5 min/m²and R2= 4 min/m²,
respectively.
Transcribed Image Text:h2 R2 92 Figure 3 The storage tank shown in Figure 3 is equipped with a sight glass to provide a visual indication of liquid level. As part of a level control system, a level sensor will be connected to either the tank or the sight glass. The sight glass is considered because the tank level measurement is quite noisy due to turbulence, splashing liquid, etc. Assume the cross-sectional areas of the tank and sight glass are A1 = 3 m? and A2 = 0.5 m? respectively. To determine how the process dynamics are affected by the choice of sensor location, do the following: a) Derive the transfer functions H1' (s)/Q' (s) and H2' (s)/Q' (s), assuming that both valve and piping between the tank and the sight glass act as linear resistances with values RỊ = 1.5 min/m²and R2= 4 min/m², respectively.
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