Calculate the heat transfer between two (50*40 cm) parallel plates at constant temperatures of 71 = 100 K and 72 = 50 K that are L- 1 cm apart, assuming the emissivity (r) is 0.6 according to the following conditions. 1. The parallel plates filled with atmospheric air assume the thermal conductivity at the average temperature of 250 K is k=0.021 Heat direction Air Space Heat direction Super-insulation W/m °C for air, Stefan-Boltzmann constant is 5.67*10 *W/m².K* 2. The parallel plates are filled with super-insulated material and have an apparent thermal conductivity of 0.00004 W/m °C.
Calculate the heat transfer between two (50*40 cm) parallel plates at constant temperatures of 71 = 100 K and 72 = 50 K that are L- 1 cm apart, assuming the emissivity (r) is 0.6 according to the following conditions. 1. The parallel plates filled with atmospheric air assume the thermal conductivity at the average temperature of 250 K is k=0.021 Heat direction Air Space Heat direction Super-insulation W/m °C for air, Stefan-Boltzmann constant is 5.67*10 *W/m².K* 2. The parallel plates are filled with super-insulated material and have an apparent thermal conductivity of 0.00004 W/m °C.
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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Question
![Calculate the heat transfer between two
(50*40 cm) parallel plates at constant
temperatures of 71 = 100 K and 72 = 50
K that are L = 1 cm apart, assuming the
emissivity (r) is 0.6 according to the
following conditions.
1. The parallel plates filled with
atmospheric air assume the thermal
conductivity at the average
temperature of 250 K is k=0.021
Heat
direction
Air Space
* 24140
Heat
direction
Super-insulation
W/m °C for air, Stefan-Boltzmann constant is 5.67*10*W/m².K'
2. The parallel plates are filled with super-insulated material and have an apparent
thermal conductivity of 0.00004 W/m - °C.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F330f0f89-5b8a-4c67-b3da-0c6045bd8212%2F3c03e917-fdc6-4357-bb42-1e4b4f1eb5f9%2Fbm2vy3t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Calculate the heat transfer between two
(50*40 cm) parallel plates at constant
temperatures of 71 = 100 K and 72 = 50
K that are L = 1 cm apart, assuming the
emissivity (r) is 0.6 according to the
following conditions.
1. The parallel plates filled with
atmospheric air assume the thermal
conductivity at the average
temperature of 250 K is k=0.021
Heat
direction
Air Space
* 24140
Heat
direction
Super-insulation
W/m °C for air, Stefan-Boltzmann constant is 5.67*10*W/m².K'
2. The parallel plates are filled with super-insulated material and have an apparent
thermal conductivity of 0.00004 W/m - °C.
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