GB/T 41030.1-2021Solar energy - Collector components and materials - Part 1: Evacuated tubes - Durability and performance (English PDF)

1 Scope

This document specifies the terms and definitions, classification and test items and tests of vacuum solar collector materials, durability and thermal properties:

method:

This document applies to all types of vacuum solar collectors:

Note: Vacuum solar collector tubes include all-glass vacuum solar collector tubes, glass-metal sealed vacuum solar collector tubes and vacuum solar collector tubes with similar structures:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document:

ISO 9488 Solar Energy Terminology (Solarenergy-Vocabulary)

ISO 9845-1 Solar terrestrial solar spectral irradiance under different receiving conditions - Part 1: Normal direction of air mass 1:5

Insolation and hemispherical insolation irradiance (Solarenergy-Referencesolarspectralirradianceatthegroundat diferentreceivingconditions-Part 1:Directnormalandhemisphericalsolarirradianceforairmass1,5)

Note: GB/T 17683:1-1999 Standard for solar spectral irradiance of solar energy under different receiving conditions on the ground - Part 1: Method for air quality 1:5

Toward direct insolation and hemispherical insolation (eqvISO 9845-1:1992)

3 Terms and Definitions

Terms and definitions defined in ISO 9488 and the following apply to this document:

3:1

All-glass evacuated solar collector double-glass evacuatedtube

The components of the vacuum tube type solar heat collector, the inner tube and the cover tube are made of glass:

3:2

Glass-metal sealed vacuum solar collector tube glass-metalsealedevacuatedtube

The components of the vacuum tube type solar collector, in which the metal heat sink is closely connected with the metal flow channel, and the glass-metal sealing process is

The art is sealed in a cover glass tube:

3:3 stone

Solid inclusions in the glass body of a vacuum solar collector:

3:4 knot knot

Transparent inclusions in the glass body of a vacuum solar collector:

3:5 scratch scratch

Wear or scratches on the surface of the glass tube of the vacuum solar collector:

GB/T 40517 | GB/T 40614 | GB/T 40821 | GB/T 29321 | GB/T 19141 | […]