1. Air (p= 1.23 kg/m³; = 1.79x107 through a 0.08-mm-diameter passa person's lungs at a rate of 10-9 m³/- laminar or turbulent? Ans. Laminar. 2. Ethyl alcohol (p= 1.53 slug/ft³; lbf-s/ft2) is pumped through a 4-in-dia the rate of 0.90 ft³/s. Is the flow lamina

1. Air (p= 1.23 kg/m³; = 1.79x107 through a 0.08-mm-diameter passa person's lungs at a rate of 10-9 m³/- laminar or turbulent? Ans. Laminar. 2. Ethyl alcohol (p= 1.53 slug/ft³; lbf-s/ft2) is pumped through a 4-in-dia the rate of 0.90 ft³/s. Is the flow lamina

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

Question

go for both since its easy

1. Air (p = 1.23 kg/m³; = 1.79x10-5 Pa-s) flows
through a 0.08-mm-diameter passageway in a
person's lungs at a rate of 109 m³/s. Is the flow
laminar or turbulent? Ans. Laminar.
2. Ethyl alcohol (p= 1.53 slug/ft³; = 2.49×10-5
lbf-s/ft2) is pumped through a 4-in-diameter pipe at
the rate of 0.90 ft³/s. Is the flow laminar, transitional,
or turbulent? Ans. Turbulent.
1

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