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ASTM-E781:1996 Edition

ASTM-E781:1996 Edition

$35.75

E781-86(1996) Standard Practice for Evaluating Absorptive Solar Receiver Materials When Exposed to Conditions Simulating Stagnation in Solar Collectors With Cover Plates

Published By Publication Date Number of Pages
ASTM 1996 11
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ASTM E781-86-Reapproved1996

Historical Standard: Standard Practice for Evaluating Absorptive Solar Receiver Materials When Exposed to Conditions Simulating Stagnation in Solar Collectors With Cover Plates

ASTM E781

Scope

1.1 This practice covers a test procedure for evaluating absorptive solar receiver materials and coatings when exposed to sunlight under cover plate(s) for long durations. This practice is intended to evaluate the exposure resistance of absorber materials and coatings used in flat-plate collectors where maximum nonoperational stagnation temperatures will be approximately 200°C (392°F).

1.2 This practice shall not apply to receiver materials used in solar collectors without covers (unglazed) or in evacuated collectors, that is, those that use a vacuum to suppress convective and conductive thermal losses.

1.3 The values stated in SI units are to be regarded as the 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.

Keywords

Absorption;emsolar materials; evaluating absorptive solar receiver materials when exposed to; conditions simulating stagnation in solar collectors with cover plates,; practice,; Coatings; absorptive (solar) coatings, evaluating exposure resistance (when; exposed to conditions simulating stagnation) of coatings/materials in; flat plate solar collectors, practice,; Cover materials;emsolar collectors; evaluating absorptive solar receiving materials (when exposed to; conditions simulating stagnation), practice,; Exposure resistance; absorber materials/coatings in flat plate solar collectors (under cover; plates), when exposed to conditions simulating stagnation, practice,; Solar collectors; Stagnation conditions; evaluating absorptive materials (in collectors with cover plates), when; exposed to conditions simulating stagnation, practice,; Weathering;emsolar devices; exposure resistance (to conditions simulating stagnation), practice,;Order Form

ICS Code

ICS Number Code n/a

DOI: 10.1520/E0781-86R96

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