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A hair dryer is basically a duct of constant diameter in

Fluid Mechanics | 2nd Edition | ISBN: 9780071284219 | Authors: Yunus A. Cengel, John M. Cimbala ISBN: 9780071284219 39

Solution for problem 13P Chapter 5

Fluid Mechanics | 2nd Edition

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Fluid Mechanics | 2nd Edition | ISBN: 9780071284219 | Authors: Yunus A. Cengel, John M. Cimbala

Fluid Mechanics | 2nd Edition

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Problem 13P

Problem 13P

A hair dryer is basically a duct of constant diameter in which a few layers of electric resistors are placed. A small fan pulls the air in and forces it through -the resistors where it is heated. If the density of air is 1.20 kg/m3 at the inlet and 1.05 kg/m3 at the exit, determine the percent increase in the velocity of air as it flows through the dryer.

Step-by-Step Solution:

Step 1 of 4:

To determine the increase in the velocity air through the hair dryer.

As the hot air flows through the dryer, the air is heated up and the density reduces.

The density of air at the inlet ρ1 = 1.20 kg/m ​3

The density of the air at the end ρ2 = 1.05 kg/m ​3

Step 2 of 4

Chapter 5, Problem 13P is Solved
Step 3 of 4

Textbook: Fluid Mechanics
Edition: 2
Author: Yunus A. Cengel, John M. Cimbala
ISBN: 9780071284219

Fluid Mechanics was written by and is associated to the ISBN: 9780071284219. This full solution covers the following key subjects: air, resistors, dryer, flows, determine. This expansive textbook survival guide covers 15 chapters, and 1547 solutions. Since the solution to 13P from 5 chapter was answered, more than 1294 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 13P from chapter: 5 was answered by , our top Engineering and Tech solution expert on 07/03/17, 04:51AM. The answer to “A hair dryer is basically a duct of constant diameter in which a few layers of electric resistors are placed. A small fan pulls the air in and forces it through -the resistors where it is heated. If the density of air is 1.20 kg/m3 at the inlet and 1.05 kg/m3 at the exit, determine the percent increase in the velocity of air as it flows through the dryer.” is broken down into a number of easy to follow steps, and 69 words. This textbook survival guide was created for the textbook: Fluid Mechanics, edition: 2.

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A hair dryer is basically a duct of constant diameter in