A 10-cm inner diameter pipe has air flowing through it at 50 m/s at 30°C and 1.6 bar (gauge) pressure. The pipe narrows to 7-cm inner diameter, while the temperature drops to 21°C and the gauge pressure rises to 1.8 bar. What is the velocity of the air at in the narrower section of pipe?
A 10-cm inner diameter pipe has air flowing through it at 50 m/s at 30°C and 1.6 bar (gauge) pressure. The pipe narrows to 7-cm inner diameter, while the temperature drops to 21°C and the gauge pressure rises to 1.8 bar. What is the velocity of the air at in the narrower section of pipe?
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
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A 10-cm inner diameter pipe has air flowing through it at 50 m/s at 30°C and 1.6 bar (gauge) pressure. The pipe narrows to 7-cm inner diameter, while the temperature drops to 21°C and the gauge pressure rises to 1.8 bar. What is the velocity of the air at in the narrower section of pipe?
Expert Solution
Step 1
Given
velocity of air at pipe inlet ,v1=50m/s
diameter of pipe at inlet = 10 cm=0.1 m
gauge pressure at inlet =1.6 bar = 1.597 atm
temperature of air at inlet=30o C =303 K
diameter of pipe at outlet=7 cm=0.07 m
gauge pressure at outlet=1,8 bar = 1.776 atm
temperature of air at outlet=21o C =294 K
To find
Velocity of air at narrower section(outlet)
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