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Author: O. P. Agnihotri
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 248
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Book Description
Covers the design, production, evaluation and application of surfaces having high absorptance in the solar spectrum and low emittance at the operating temperature of the solar collection system. Presents current, significant data on the enhancement of solar collector efficiency by the use of selective surfaces.
Author: O. P. Agnihotri
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 248
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Book Description
Covers the design, production, evaluation and application of surfaces having high absorptance in the solar spectrum and low emittance at the operating temperature of the solar collection system. Presents current, significant data on the enhancement of solar collector efficiency by the use of selective surfaces.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Improved solar collectors (40) comprising glass tubing (42) attached to bellows (44) by airtight seals (56) enclose solar absorber tubes (50) inside an annular evacuated space (54. The exterior surfaces of the solar absorber tubes (50) are coated with improved solar selective coatings {48} which provide higher absorbance, lower emittance and resistance to atmospheric oxidation at elevated temperatures. The coatings are multilayered structures comprising solar absorbent layers (26) applied to the meta surface of the absorber tubes (50), typically stainless steel, topped with antireflective Savers (28) comprising at least two layers 30, 32) of refractory metal or metalloid oxides (such as titania and silica) with substantially differing indices of refraction in adjacent layers. Optionally, at least one layer of a noble metal such as platinum can be included between some of the layers. The absorbent layers cars include cermet materials comprising particles of metal compounds is a matrix, which can contain oxides of refractory metals or metalloids such as silicon. Reflective layers within the coating layers can comprise refractory metal silicides and related compounds characterized by the formulas TiSi. Ti.sub. 3SiC.sub. 2, TiAlSi, TiAN and similar compounds for Zr and Hf. The titania can be characterized by the formulas TiO.sub. 2, Ti.sub. 3O.sub. 5. TiOx or TiO.sub.xN.sub. 1-x with x 0 to 1. The silica can be at least one of SiO.sub. 2, SiO.sub. 2x or SiO.sub. 2xN.sub. 1-x with x=0 to 1.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The definition, fabrication, and specification of solar selective absorber surfaces are discussed. Also, the nature of solar radiation and thermal radiation in relation to selective surfaces is considered. (WHK).
Author: W. D. McKelvey
Publisher:
ISBN:
Category : Coatings
Languages : en
Pages : 92
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Book Description
Author: Belal Usmani
Publisher: CRC Press
ISBN: 9781032645056
Category : Science
Languages : en
Pages : 0
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Book Description
The book covers different harnessing technologies for solar energy, electromagnetic radiation including design principles and different types of spectrally selective coatings. It emphasizes experimental methods for synthesizing these coating structures and characterization techniques to quantify the absorber characteristics.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Improved Solar collectors (40) comprising glass tubing (42) attached to bellows (44) by airtight seals (56) enclose solar absorber tubes (50) inside an annular evacuated space (54). The exterior surfaces of the solar absorber tubes (50) are coated with improved solar selective coatings (48) which provide higher absorbance, lower emittance and resistance to atmospheric oxidation at elevated temperatures. The coatings are multilayered structures comprising Solar absorbent layers (26) applied to the meta surface of the absorber tubes (50), typically stainless steel, topped with antireflective savers (28) comprising at least two layers (30, 32) of refractory metal or metalloid oxides (such as titania and silica) with substantially differing indices of refraction in adjacent layers. Optionally, at least one layer of a noble metal such as platinum can be included between some of the layers. The absorbent layers cars include cermet materials comprising particles of metal compounds is a matrix, which can contain oxides of refractory metals or metalloids such as silicon. Reflective layers within the coating layers can comprise refractory metal silicides and related compounds characterized by the formulas TiSi. TiSiC, TiAlSi, TiAN and similar compounds for Zr and Hf. The titania can be characterized by the formulas TiO, TiOs. TiOx or TiON with X 0 to 1. The silica can be at least one of SiO, SiO, or SiON with X=0 to 1.
Author: Nevin Ozdemir
Publisher:
ISBN:
Category : Optical coatings
Languages : en
Pages : 442
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The intention is to explore the feasibility of depositing the coating by lower-cost methods and to perform a rigorous cost analysis after a viable high-temperature solar-selective coating is demonstrated by e-beam.
Author: Donald M. Mattox
Publisher:
ISBN:
Category : Solar collectors
Languages : en
Pages : 8
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Book Description
