{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

class 31 - Blackbodies Real Surfaces Click to edit Master...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Click to edit Master subtitle style 8/13/11 Blackbodies Real Surfaces Chapter 12 Sections 12.3,4
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
8/13/11 Which term describes the rate at which radiation is incident upon the surface per unit surface area? a) Emissive power (E) b) Intensity (I) c) Irradiation (G) d) Radiosity (J)
Background image of page 2
8/13/11 ∫ ∫ = = 0 2 0 2 / 0 , ) ( sin cos ) , , ( ) ( λ λ φ θ θ θ φ θ λ λ λ ππ λ λ d G G d d I G i ∫ ∫ = = 0 2 0 2 / 0 , ) ( sin cos ) , , ( ) ( λ λ φ θ θ θ φ θ λ λ λ ππ λ λ d E E d d I E e ∫ ∫ + = = 0 2 0 2 / 0 , ) ( sin cos ) , , ( ) ( λ λ φ θ θ θ φ θ λ λ λ ππ λ λ d J J d d I J r e
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
8/13/11 Consider a small surface A1 = 10-4m2, which emits diffusely with a total, hemispherical emissive power of E1 = 5 X 104 W/m2. What is the irradiation G2 on A2?
Background image of page 4
8/13/11 Blackbody Radiation The Blackbody Ø An idealization providing limits on radiation emission and absorption by matter. For a prescribed temperature and wavelength, no surface can emit more radiation than a blackbody: the ideal emitter .
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}