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As a new process control engineer with the DMD Chemical Company, you are assigned a uni with an endothermie chemical reactor. In order to learn about the dynamics of the process, you decide to make a step change in an input variable, which is the heating medium flow rate, from 10gpm to 14 gpm. The reactor is initially at a steady state temperature of 150 F You obtain the following plot for the reactor temperature. 180 159 158 157 156 155 154 153 152 151 150 BD 90 100 60 Tirme (min) 10 20 30 40 50 70 Determinc: (a) The process gain K. Give the units. (b) The damping coefficient (c) The time constant t. Give the units. (d) The process transfer function model using the characteristic parameters. Reactor Temperalure (F)

As a new process control engineer with the DMD Chemical Company, you are assigned a uni with an endothermie chemical reactor. In order to learn about the dynamics of the process, you decide to make a step change in an input variable, which is the heating medium flow rate, from 10gpm to 14 gpm. The reactor is initially at a steady state temperature of 150 F You obtain the following plot for the reactor temperature. 180 159 158 157 156 155 154 153 152 151 150 BD 90 100 60 Tirme (min) 10 20 30 40 50 70 Determinc: (a) The process gain K. Give the units. (b) The damping coefficient (c) The time constant t. Give the units. (d) The process transfer function model using the characteristic parameters. Reactor Temperalure (F)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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As a new process control engineer with the DMD Chemical Company, you are assigned a unit with an endothermic chemical reactor. In order to learn about the dynamics of the process, you decide to make a step change in an input variable, which is the heating medium flow rate, from 10gpm to 14 gpm. The reactor is initially at a steady state temperature of 150°F. You obtain the following plot for the rcactor temperature. 180 159 158 157 156 155 154 153 152 151 150 50 60 70 BD 90 100 10 20 30 40 Time (min) Determinc: (a) The process gain K. Give the units. (b) The damping coefficient (c) The time constant t. Give the units. (d) The process transfer function model using the characteristic parameters. Reaclor Temperalure (F)
Transcribed Image Text:As a new process control engineer with the DMD Chemical Company, you are assigned a unit with an endothermic chemical reactor. In order to learn about the dynamics of the process, you decide to make a step change in an input variable, which is the heating medium flow rate, from 10gpm to 14 gpm. The reactor is initially at a steady state temperature of 150°F. You obtain the following plot for the rcactor temperature. 180 159 158 157 156 155 154 153 152 151 150 50 60 70 BD 90 100 10 20 30 40 Time (min) Determinc: (a) The process gain K. Give the units. (b) The damping coefficient (c) The time constant t. Give the units. (d) The process transfer function model using the characteristic parameters. Reaclor Temperalure (F)
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