Solar-collector materials exposure to the IPH site environment. Final report
In-situ environmental exposure tests were conducted at nine proposed intermediate-temperature Industrial Process Heat (IPH) sites. Three types of reflector materials were evaluated for survivability at the nine sites: second-surface silvered glass, aluminized acrylic FEK-244 film on aluminum substrate, and Alzak (electropolished aluminum) on aluminum substrate. Black chrome absorber material and low-iron float glass were evaluated for thermal, photochemical, and environmental degradation. The reflector specimens were monitored for decreases in specular and hemispherical reflectance due to soil buildup. The absorber material was evaluated for changes in solar absorptivity and emissivity, and the float glass was monitored for changes in transmissivity. Surface and subsurface defects on all materials were examined microscopically and, where deemed of note, were documented photographically.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA); McDonnell Douglas Astronautics Co., Huntington Beach, CA (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5350922
- Report Number(s):
- SAND-81-7028/2; ON: DE82011688
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140905*
ABRASION
ABSORPTIVITY
ACRYLIC ACID ESTERS
AEROSOLS
ALUMINIUM
ARID LANDS
ATMOSPHERIC PRECIPITATIONS
BLACK CHROME
BLACK COATINGS
CARBOXYLIC ACID ESTERS
CHEMICAL REACTIONS
CLEANING
COATINGS
COLLOIDS
CORROSION
CSP
Concentrating Solar Power
DEFECTS
DESERTS
DISPERSIONS
ELEMENTS
EMISSIVITY
EQUIPMENT
ESTERS
GLASS
LIGHT TRANSMISSION
MATERIALS TESTING
METALS
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHYSICAL PROPERTIES
REFLECTIVITY
SILVER
SOILS
SOLAR ABSORBERS
SOLAR CONCENTRATORS
SOLAR EQUIPMENT
SOLAR REFLECTORS
SOLS
SURFACE PROPERTIES
TEMPERATURE EFFECTS
TESTING
TRANSITION ELEMENTS
WEATHERING
140905*
ABRASION
ABSORPTIVITY
ACRYLIC ACID ESTERS
AEROSOLS
ALUMINIUM
ARID LANDS
ATMOSPHERIC PRECIPITATIONS
BLACK CHROME
BLACK COATINGS
CARBOXYLIC ACID ESTERS
CHEMICAL REACTIONS
CLEANING
COATINGS
COLLOIDS
CORROSION
CSP
Concentrating Solar Power
DEFECTS
DESERTS
DISPERSIONS
ELEMENTS
EMISSIVITY
EQUIPMENT
ESTERS
GLASS
LIGHT TRANSMISSION
MATERIALS TESTING
METALS
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHYSICAL PROPERTIES
REFLECTIVITY
SILVER
SOILS
SOLAR ABSORBERS
SOLAR CONCENTRATORS
SOLAR EQUIPMENT
SOLAR REFLECTORS
SOLS
SURFACE PROPERTIES
TEMPERATURE EFFECTS
TESTING
TRANSITION ELEMENTS
WEATHERING