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GB/T 25968-2010: Test methods of solar transmittance and solar absorptance of materials by spectrophotometry
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25968-2010 | English | 209 |
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Test methods of solar transmittance and solar absorptance of materials by spectrophotometry
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GB/T 25968-2010
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Basic data | Standard ID | GB/T 25968-2010 (GB/T25968-2010) | | Description (Translated English) | Test methods of solar transmittance and solar absorptance of materials by spectrophotometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F01 | | Classification of International Standard | 27.160�� | | Word Count Estimation | 9,939 | | Date of Issue | 1/10/2011 | | Date of Implementation | 4/1/2011 | | Quoted Standard | GB/T 12936; GB/T 17049; ISO 9806-1 | | Regulation (derived from) | Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the cover glass sun all-glass vacuum tube solar collector transmittance and solar selective absorbing coating measurement instruments and test methods than absorption. This Standard is applicable to materials and components for solar applications. | GB/T 25968-2010: Test methods of solar transmittance and solar absorptance of materials by spectrophotometry
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Test methods of solar transmittance and solar absorptance of materials by spectrophotometry
ICS 27.160
F01
National Standards of People's Republic of China
Sun spectrophotometer material
Ratio test method transmittance and solar absorption
Issued on. 2011-01-10
2011-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Appendix A of this standard is a normative appendix.
This standard by the National Standardization Technical Committee for Energy and Management, National Standardization Technical Committee proposed solar energy.
This standard by the National Standardization Technical Committee of solar energy.
This standard is drafted by. Beijing Tsinghua Solar Energy Development Co., Ltd., Tsinghua University, China National Institute of Standardization, Hubei
Product Quality Supervision and Inspection Institute, the National Solar Water Heater Quality Supervision and Inspection Center (Beijing), China Institute of Metrology, Beijing Wei
Star Factory, Beijing Tianpu Solar Ltd., Jiangsu Huayang Solar Energy Co., Ltd. Shandong Lok Sang solar, Jiangsu Sun Yu
Solar Co., Ltd., Shandong Linuo New Material Co., Himin Solar Energy Group Co., Ltd., Hubei Huayang Solar Group Limited.
The main drafters of this standard. Yin Zhiqiang, Zhou Xiaowen, Jia Tieying, Nahum Yue, Wang Yu, Zhang Xiaoli, He Tao, to learn German, Huang Yongwei, high-Jing Ping,
New Xu, Li Ye Bo, Wang Zhi Jian, Huang Yongding.
Sun spectrophotometer material
Ratio test method transmittance and solar absorption
1 Scope
This standard specifies the cover glass sun all-glass vacuum tube solar collector transmittance and solar selective absorbing coating ratio of absorption measurements
Instruments and test methods.
This standard applies to materials and components of solar energy applications.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 12936 solar thermal terms
GB/T 17049 all-glass vacuum tube solar collector
Glass surface collector thermal performance and pressure drop measurement. Part 1 ISO 9806-1 solar collector detection method
3 Terms and Definitions
And the following terms and definitions GB/T 12936 apply to this standard established.
3.1
Monochromatic transmittance monochromatictransmittance
τλ
At a single wavelength λ, the ratio of power transmission and bin incident.
3.2
Solar transmittance solartransmittance
τs
Bin transmission power ratio and the incident solar radiation.
3.3
Monochrome reflectance monochromaticreflectance
ρλ
At a single wavelength λ, power ratio bin reflection of the incident light.
3.4
Solar Reflectance solarreflectance
ρs
Power ratio bin reflecting the incident solar radiation.
3.5
Solar absorption ratio solarabsorptance
αs
Bin incident solar radiation absorption and power ratio.
3.6
Air Quality 1.5 airmass1.5
AM1.5
Solar elevation angle was 41.8 ° when the number of air quality, the sun and the solar transmittance than the absorption ratio calculated according AM1.5.
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