Research Progress on Key Technical Parameters of All-Glass Evacuated Solar Collector Tubes
All-glass evacuated solar collector tubes are an important component of solar thermal utilization systems,and their performance parameters directly affect the thermal performance,durability,reliability,and energy-saving effect of solar thermal utilization systems.Based on the introduction of the basic structure and working principle of evacuated tubes,this article provides a detailed analysis of the research progress on key technical parameters,such as optical and thermal properties that affect the performance of evacuated tubes,as well as other technical requirements,such as glass tube materials and vacuum properties.On the basis of long-term scientific and testing work,suggestions were proposed to improve the product performance of evacuated tubes,including optimizing glass tube production,developing new coatings,enhancing vacuum performance,innovating technology,developing advanced equipment,and revising standards.
All-glass evacuated solar collector tubesSolar selective absorbing coatingOptical propertyThermal performance
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