Application: Assume a small spacecraft is in open space. One panel is a dedicated radiator (dimensions in image) and is painted with S13 GLO white paint (emissivity = .89). If the radiator is at 30C and has a full view factor to space, how much heat can it reject from the system? (How much is this radiator radiating to space?). Use 3K for space temperature. Round answer up to one decimal place. No need to include units. (Remember that -/+ signs are used in respect to direction of energy transfer)

Application: Assume a small spacecraft is in open space. One panel is a dedicated radiator (dimensions in image) and is painted with S13 GLO white paint (emissivity = .89). If the radiator is at 30C and has a full view factor to space, how much heat can it reject from the system? (How much is this radiator radiating to space?). Use 3K for space temperature. Round answer up to one decimal place. No need to include units. (Remember that -/+ signs are used in respect to direction of energy transfer)

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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Concept explainers

Radiation

Radiation can be described as the energy in the form of a particular matter or electromagnetic waves traveling in the air and can be in the form of light, sound, and heat. Radiation can be detected through special instruments like X-rays. The radiation from a cooler object is less intense as compared to the radiation from hot objects.

Question

Application: Assume a small spacecraft is in open space. One panel is a
dedicated radiator (dimensions in image) and is painted with S13 GLO
white paint (emissivity = .89). If the radiator is at 30C and has a full view
factor to space, how much heat can it reject from the system? (How much
is this radiator radiating to space?). Use 3K for space temperature. Round
answer up to one decimal place. No need to include units. (Remember that
-/+ signs are used in respect to direction of energy transfer)
h
37°F
Cloudy
HD GAN
.1 m
Radiator
.3 m
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