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When you drink your beverage with a straw, you must overcome gravity and frictionin the straw. Make all necessary and suitable assumptions about the liquid and strawproperties. Assume you can drink it all in 10s (quite a feat with a straw) and the roughness ofthe straw is 5×10-4 in. Ignore minor losses.(a) What is the Reynolds number? Is the flow laminar or turbulent? [turbulent](b)  Estimate the friction loss.(c)  What is the fraction of overcoming the friction in the total effort you put intoquenching your thirst? [< 50%]

When you drink your beverage with a straw, you must overcome gravity and frictionin the straw. Make all necessary and suitable assumptions about the liquid and strawproperties. Assume you can drink it all in 10s (quite a feat with a straw) and the roughness ofthe straw is 5×10-4 in. Ignore minor losses.(a) What is the Reynolds number? Is the flow laminar or turbulent? [turbulent](b)  Estimate the friction loss.(c)  What is the fraction of overcoming the friction in the total effort you put intoquenching your thirst? [< 50%]

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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When you drink your beverage with a straw, you must overcome gravity and friction
in the straw. Make all necessary and suitable assumptions about the liquid and straw
properties. Assume you can drink it all in 10s (quite a feat with a straw) and the roughness of
the straw is 5×10-4 in. Ignore minor losses.
(a) What is the Reynolds number? Is the flow laminar or turbulent? [turbulent]
(b)  Estimate the friction loss.
(c)  What is the fraction of overcoming the friction in the total effort you put into
quenching your thirst? [< 50%]

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