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Evaluating Heat TransferThe outer surface of the grill

Fundamentals of Engineering Thermodynamics | 7th Edition | ISBN: 9780470495902 | Authors: Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey ISBN: 9780470495902 50

Solution for problem 52P Chapter 2

Fundamentals of Engineering Thermodynamics | 7th Edition

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Fundamentals of Engineering Thermodynamics | 7th Edition | ISBN: 9780470495902 | Authors: Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey

Fundamentals of Engineering Thermodynamics | 7th Edition

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Problem 52P

Evaluating Heat Transfer

The outer surface of the grill hood shown in Fig. P2.52 is at 47°C and the emissivity is 0.93. The heat transfer coefficient for convection between the hood and the surroundings at 27°C is 10 W/m2 · K. Determine the net rate of heat transfer between the grill hood and the surroundings by convection and radiation, in kW per m2 of surface area.

Fig. P2.52

Step-by-Step Solution:

Solution 52P

Step 1 of 5</p>

Here we need to calculate the net rate of heat transfer by convection and radiation between the surrounding and grill hood.

The grill hood’s has its outer surface temperature at  with emissivity . The heat coefficient is given to be  for the convection heat transfer between the grill hood and surrounding which is at  .

Step 2 of 5</p>

Given data,

Outer surface temperature at  

Using                                                  

Surrounding ,

Using                                  

Emissivity, Heat coefficient, Stefan Boltzmann Constant,

To find,

Rate of heat transfer through convection =?

Rate of heat transfer through radiation =?

Total Net Rate of heat transfer  =?

Step 3 of 5</p>To calculate the rate of heat transfer through convection,

The rate of heat transfer through convection is given by,

                                                

Substituting ,  and  

                                        

                                        

                                        

Step 4 of 5

Chapter 2, Problem 52P is Solved
Step 5 of 5

Textbook: Fundamentals of Engineering Thermodynamics
Edition: 7
Author: Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey
ISBN: 9780470495902

This textbook survival guide was created for the textbook: Fundamentals of Engineering Thermodynamics, edition: 7. Fundamentals of Engineering Thermodynamics was written by and is associated to the ISBN: 9780470495902. The answer to “Evaluating Heat TransferThe outer surface of the grill hood shown in Fig. P2.52 is at 47°C and the emissivity is 0.93. The heat transfer coefficient for convection between the hood and the surroundings at 27°C is 10 W/m2 · K. Determine the net rate of heat transfer between the grill hood and the surroundings by convection and radiation, in kW per m2 of surface area. Fig. P2.52” is broken down into a number of easy to follow steps, and 67 words. Since the solution to 52P from 2 chapter was answered, more than 1083 students have viewed the full step-by-step answer. This full solution covers the following key subjects: transfer, heat, hood, fig, surroundings. This expansive textbook survival guide covers 14 chapters, and 1501 solutions. The full step-by-step solution to problem: 52P from chapter: 2 was answered by , our top Engineering and Tech solution expert on 07/20/17, 09:01AM.

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