th 2.17 Sketch the level response for a bathtub with cross- sectional area of 8 ft2 as a function of time for the following sequence of events; assume an initial level of 0.5 ft with the drain open. The inflow and outflow are initially equal to 1 2 ft /min. all cell esult (a) The drain is suddenly closed, and the inflow remains con- stant for 3 min (0

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
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th
2.17 Sketch the level response for a bathtub with cross-
sectional area of 8 ft2 as a function of time for the following
sequence of events; assume an initial level of 0.5 ft with the
drain open. The inflow and outflow are initially equal to 1
2 ft /min.
all
cell
esult
(a) The drain is suddenly closed, and the inflow remains con-
stant for 3 min (0 <t< 3).
(b) The drain is opened for 15 min; assume a time constant in a
linear transfer function of 3 min, so a steady state is essentially
reached (3 < t<18).
or an
--state
D. Dis-
sult in
Transcribed Image Text:th 2.17 Sketch the level response for a bathtub with cross- sectional area of 8 ft2 as a function of time for the following sequence of events; assume an initial level of 0.5 ft with the drain open. The inflow and outflow are initially equal to 1 2 ft /min. all cell esult (a) The drain is suddenly closed, and the inflow remains con- stant for 3 min (0 <t< 3). (b) The drain is opened for 15 min; assume a time constant in a linear transfer function of 3 min, so a steady state is essentially reached (3 < t<18). or an --state D. Dis- sult in
(c) The inflow rate is doubled for 6 min (18<t< 24).
(d) The inflow rate is returned to its original value for 16 min
(24 <t< 40).
Transcribed Image Text:(c) The inflow rate is doubled for 6 min (18<t< 24). (d) The inflow rate is returned to its original value for 16 min (24 <t< 40).
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