GB/T 4271-2007 in English

《GB/T 4271-2007太阳能集热器热性能试验方法》由TC402（全国太阳能标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准规定了太阳能集热器稳态和动态热性能的试验方法及计算程序。本标准适用于利用太阳辐射加热、有透明盖板、传热工质为液体的平板型太阳能集热器，以及传热工质为液体的非聚光型全玻璃真空管型太阳能集热器、玻璃-金属结构真空管型太阳能集热器和热管式真空管型太阳能集热器。本标准不适用于储热器与集热器为一体的储热式太阳能集热器，也不适用于无透明盖板的和跟踪聚焦的太阳能集热器。

1 Scope

This standard specifies test methods and calculation procedures for the thermal performance of solar collector (hereinafter referred to as collector) in steady and dynamic state.
This standard is applicable to plate solar collector (hereinafter referred to as plate collector) heated by solar radiation and with transparent cover and liquid heat transfer working medium, non-light-concentrating all glass evacuated solar collector with liquidwhose heat transfer working medium is liquid, glass-metal evacuated tube solar collector and heat pipe evacuated tube solar collector (hereinafter referred to as evacuated tube collector).
This standard is not applicable to heat-storage solar collector integratinged with heat reservoir with and collector and is also not applicable to solar collector without transparent cover and tracing focus.

2 Normative References

The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrigendum contents) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.

Contents
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols and Units
5 Installation and Location of Collector
6 Instrument and Measurement
7 Test-bed
8 Outdoor Efficiency Test
9 Indoor Efficiency Test in Steady State
10 Determination of Effective Heat Capacity and Time Constant for Collector
11 Correction Coefficient of Incidence angle for Collector
12 Determination of Pressure Difference on Both Ends for Collector
13 Testing Report for Thermal Performance of Solar Collector
Appendix A (Normative) Calculation Methods for Aperture Area of Evacuated Tube Solar Collector
Appendix B (Normative) Symbols and Units
Appendix C (Normative) Testing Report Format of Thermal Performance of Solar Collector
Appendix D ((Normative) Collector Characteristics
Appendix E (Normative) Heating Physical Property Parameters of Water
Appendix F (Normative) Determination for Effective Heat Capacity
Appendix G (Normative) Outdoor Efficiency Test in Dynamic State
Appendix H (Informative) Indoor Efficiency Test in Steady State
Bibliography