Determine the resistance in each scenario presented. Explain whether the resistance is linear or not, and if not describe the relation, finally, explain how it can be linearized about a specific condition. Be sure to state the units and demonstrate that they are correct using the appropriate pressure/flow relation. a) Laminar flow An aqueous solution of 50% glycerol / 50% water is flowing through a pipe with the following system parameters: System Parameters (L=100.0 D 0.2 μ=0.022 p = 1150.0 ms = 7.0 g = 9.81) units: L~m; D~m; µ ~ Pa·s; p~ 9 ~ kg; m 쫑: 8~품 Confirm that this is laminar flow and then calculate the resistance.
Determine the resistance in each scenario presented. Explain whether the resistance is linear or not, and if not describe the relation, finally, explain how it can be linearized about a specific condition. Be sure to state the units and demonstrate that they are correct using the appropriate pressure/flow relation. a) Laminar flow An aqueous solution of 50% glycerol / 50% water is flowing through a pipe with the following system parameters: System Parameters (L=100.0 D 0.2 μ=0.022 p = 1150.0 ms = 7.0 g = 9.81) units: L~m; D~m; µ ~ Pa·s; p~ 9 ~ kg; m 쫑: 8~품 Confirm that this is laminar flow and then calculate the resistance.
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
Related questions
Question
![Determine the resistance in each scenario presented. Explain whether the resistance is linear or not,
and if not describe the relation, finally, explain how it can be linearized about a specific condition.
Be sure to state the units and demonstrate that they are correct using the appropriate pressure/flow
relation.
a) Laminar flow
An aqueous solution of 50% glycerol / 50% water is flowing through a pipe with the following system
parameters:
System_Parameters = (L = 100.0 D= 0.2 µ = 0.022 p= 1150.0 qms = 7.0 g = 9.81)
units : L ~ m; D ~ m; µ ~ Pa · s; p~
Confirm that this is laminar flow and then calculate the resistance.
b) Pump Resistance from Pump Curve
Consider the following pump curve:
[Feet] [Meters]
30어
Find the pump resistance if the pump is
supporting 15 meters of discharge head
pressure, at a flow rate of 300 L/minute.
8어
25어
7어 100 PSI
L/min
Determine the pump resistance in
Pa
20어 6어 85 PSI
50 SCFM
5어75 PSI
Note that standard pump curves are
15어
60 PSI
4어
80 SCFM
oriented opposite to the curves in the text.
Also, pressure in head should be
converted to Pa using N = kgm/s^2 with
the acceleration due to gravity. before
calculating the resistance.
90 $CFM
10어 30어
45 PSI
20- 30 PSI20 SCFM
5어
10-
200
50
Ltr./Min]
100 [Gal/Min]
50
100
150
250
300
350
25
75 80
WATER DISCHARGE
Data based on 1-ft. flooded suction, ambient water.
c) Orifice
Turbulent water flows through an orifice with a round hole of diameter 2 cm.
DISCHARGE HEAD](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffb9a7c18-65f1-48ed-bb7e-4937a04e4157%2F23d81781-49dd-454a-8dae-d5958fcf8dcc%2Fo7xc0fd_processed.png&w=3840&q=75)
Transcribed Image Text:Determine the resistance in each scenario presented. Explain whether the resistance is linear or not,
and if not describe the relation, finally, explain how it can be linearized about a specific condition.
Be sure to state the units and demonstrate that they are correct using the appropriate pressure/flow
relation.
a) Laminar flow
An aqueous solution of 50% glycerol / 50% water is flowing through a pipe with the following system
parameters:
System_Parameters = (L = 100.0 D= 0.2 µ = 0.022 p= 1150.0 qms = 7.0 g = 9.81)
units : L ~ m; D ~ m; µ ~ Pa · s; p~
Confirm that this is laminar flow and then calculate the resistance.
b) Pump Resistance from Pump Curve
Consider the following pump curve:
[Feet] [Meters]
30어
Find the pump resistance if the pump is
supporting 15 meters of discharge head
pressure, at a flow rate of 300 L/minute.
8어
25어
7어 100 PSI
L/min
Determine the pump resistance in
Pa
20어 6어 85 PSI
50 SCFM
5어75 PSI
Note that standard pump curves are
15어
60 PSI
4어
80 SCFM
oriented opposite to the curves in the text.
Also, pressure in head should be
converted to Pa using N = kgm/s^2 with
the acceleration due to gravity. before
calculating the resistance.
90 $CFM
10어 30어
45 PSI
20- 30 PSI20 SCFM
5어
10-
200
50
Ltr./Min]
100 [Gal/Min]
50
100
150
250
300
350
25
75 80
WATER DISCHARGE
Data based on 1-ft. flooded suction, ambient water.
c) Orifice
Turbulent water flows through an orifice with a round hole of diameter 2 cm.
DISCHARGE HEAD
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