An operator introduces a step change in the flow rate qi to a particular process at 3:05A.M., changing the flow from 500 to 520 gal/min. The first change in the pro-cess temperatureT(initially at 120∘F) occurs at 3:08A.M.After that, the response inT is quite rapid, slowing down grad-ually until it appears to reach a steady-state value of 124.7∘F.The operator notes in the logbook that there is no change after 3:34A.M.What approximate transfer function might be used torelate temperature to flow rate for this process in the absence of more accurate information? What should the operator do next time to obtain a better estimate?

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
Problem 1.1P
icon
Related questions
Question

An operator introduces a step change in the flow rate qi to a particular process at 3:05A.M., changing the flow from 500 to 520 gal/min. The first change in the pro-cess temperatureT(initially at 120∘F) occurs at 3:08A.M.After that, the response inT is quite rapid, slowing down grad-ually until it appears to reach a steady-state value of 124.7∘F.The operator notes in the logbook that there is no change after 3:34A.M.What approximate transfer function might be used torelate temperature to flow rate for this process in the absence of more accurate information? What should the operator do next time to obtain a better estimate?

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Optimization process
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemical-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Process Dynamics and Control, 4e
Process Dynamics and Control, 4e
Chemical Engineering
ISBN:
9781119285915
Author:
Seborg
Publisher:
WILEY
Industrial Plastics: Theory and Applications
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The