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ASTM E408-71(2008)
Standard Test Methods for Total Normal Emittance of Surfaces Using Inspection-Meter Techniques
Automatische name übersetzung:
Standard-Prüfverfahren für Total Normal Emittanz von Oberflächen mit Inspection -Meter Techniques
NORM herausgegeben am 1.5.2008
Informationen über die Norm:
Bezeichnung normen: ASTM E408-71(2008)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.5.2008
SKU: NS-46701
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM E408-71(2008) :
Keywords:
emittance, infrared emittance, material radiative property, normal emittance, radiative heat transfer, spacecraft thermal control, thermal radiation, Emittance, Infrared (IR) analysis--aerospace materials/applications, Infrared spectroscopy, Thermal radiation, ICS Number Code 17.040.20 (Properties of surfaces)
Ergänzende Informationen
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1.1 These test methods cover determination of the total normal emittance (Note) of surfaces by means of portable, inspection-meter instruments. Note
1—Total normal emittance (εN) 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 εN to wavelength and spectral normal
emittance [εN (λ)] is
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. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 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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