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ASTM E408-71(1996)e1
Standard Test Methods for Total Normal Emittance of Surfaces Using Inspection-Meter Techniques (Includes all amendments And changes 8/16/2017).
Automatically translated name:
Standard Test Methods for Total Normal Emittance of Surfaces Using Inspection-Meter Techniques
STANDARD published on 19.5.1971
The information about the standard:
Designation standards: ASTM E408-71(1996)e1
Note: WITHDRAWN
Publication date standards: 19.5.1971
SKU: NS-46699
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM E408-71(1996)e1 :
Keywords:
emittance, infrared emittance, material radiative property, normal emittance, radiative heat transfer, spacecraft thermal control, thermal radiation
Additional information
| 1. Scope |
|
1.1 These test methods cover determination of the total normal emittance (Note) of surfaces by means of portable, inspection-meter instruments. Note 1Total normal emittance (N) is defined as the ratio of the normal radiance of a specimen to that of a blackbody radiator at the same temperature. The equation relating N to wavelength and spectral normal emittance [N()] is Equation 1 - (See Note 1 and equation in body of E408-71(2002).) 1.2 These test methods are intended for measurements on large surfaces when rapid measurements must be made and where a nondestructive test is desired. They are particularly useful for production control tests.This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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