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A question on radiation

A question on radiation - Physics Forum

A question on radiation - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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  #1  
Old 12-06-2003, 05:43 PM
Weather Consultancy Services
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Default A question on radiation



Hi,

Can anyone help with this question I have been set? Any guidance really
appreciated.

"Describe how one might measure the absorbtivity of a flat surface for a)
solar radiation and b) infrared radiation, given the knowledge of the
temperature of the surface and an instrument which is capable of measuring
irradiance. (Assume that measurements can be taken sufficiently close to the
ground so that atmospheric effects are negligible).

Any help really appreciated.

Thanks in advance,
Simon

Simon Keeling

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Weather Consultancy Services Ltd / Flying High Weather Ltd
The Weather Centre, 188 Common Road, Wombourne, Staffordshire, England. WV5
0LT.
Tel: 08700 738 100 Fax: 01902 895242 email: [Only registered users see links. ]
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[Only registered users see links. ]


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  #2  
Old 12-07-2003, 01:48 AM
dlzc@aol.com \(formerly\)
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Default A question on radiation

Dear Weather Consultancy Services:

"Weather Consultancy Services" <[Only registered users see links. ]> wrote in message
news:[Only registered users see links. ].uk...
measuring
the

You know how to use a search engine. Search for web pages that include
absorptivity and irradiance. See if you can find a correlation between
incident energy and the temperature of the surface (or change in
temperature of a surface with time). It may also involve assumptions about
the emissivity of the surface.

David A. Smith


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