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5. A two-pass shell-and-tube heat exchanger cools a hot liquid process stream (120 to 140 C inlet temperature) to a desired temperature of 70 C using cooling water available at 20 C. The hot process stream is on the shell side of the heat exchanger, while the cooling water is on the tube side of the heat exchanger. Hot process fluid in Cooling water in Cooling water out Process fluid out a) Briefly (30 words or less) discuss the objectives of a suitable feedback control strategy for the process above. b) What is your proposed controlled variable (CV)? c) What is your proposed manipulated variable (MV)? d) What are possible disturbances (DV)? e) Draw your feedback control strategy onto the drawing above using typical symbols found on a P&ID diagram. f) Draw the control block diagram for your feedback process control loop, labeling all signals and blocks on the diagram.

5. A two-pass shell-and-tube heat exchanger cools a hot liquid process stream (120 to 140 C inlet temperature) to a desired temperature of 70 C using cooling water available at 20 C. The hot process stream is on the shell side of the heat exchanger, while the cooling water is on the tube side of the heat exchanger. Hot process fluid in Cooling water in Cooling water out Process fluid out a) Briefly (30 words or less) discuss the objectives of a suitable feedback control strategy for the process above. b) What is your proposed controlled variable (CV)? c) What is your proposed manipulated variable (MV)? d) What are possible disturbances (DV)? e) Draw your feedback control strategy onto the drawing above using typical symbols found on a P&ID diagram. f) Draw the control block diagram for your feedback process control loop, labeling all signals and blocks on the diagram.

Introduction to Chemical Engineering Thermodynamics
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
Chapter1: Introduction
Section: Chapter Questions
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5. A two-pass shell-and-tube heat exchanger cools a hot liquid process stream (120 to 140 C inlet temperature) to a desired temperature of 70 C using cooling water available at 20 C. The hot process stream is on the shell side of the heat exchanger, while the cooling water is on the tube side of the heat exchanger. Hot process fluid in Cooling water in Cooling water out Process fluid out a) Briefly (30 words or less) discuss the objectives of a suitable feedback control strategy for the process above. b) What is your proposed controlled variable (CV)? c) What is your proposed manipulated variable (MV)? d) What are possible disturbances (DV)? e) Draw your feedback control strategy onto the drawing above using typical symbols found on a P&ID diagram. f) Draw the control block diagram for your feedback process control loop, labeling all signals and blocks on the diagram.
Transcribed Image Text:5. A two-pass shell-and-tube heat exchanger cools a hot liquid process stream (120 to 140 C inlet temperature) to a desired temperature of 70 C using cooling water available at 20 C. The hot process stream is on the shell side of the heat exchanger, while the cooling water is on the tube side of the heat exchanger. Hot process fluid in Cooling water in Cooling water out Process fluid out a) Briefly (30 words or less) discuss the objectives of a suitable feedback control strategy for the process above. b) What is your proposed controlled variable (CV)? c) What is your proposed manipulated variable (MV)? d) What are possible disturbances (DV)? e) Draw your feedback control strategy onto the drawing above using typical symbols found on a P&ID diagram. f) Draw the control block diagram for your feedback process control loop, labeling all signals and blocks on the diagram.
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