Solar water heater_ compound parabolic concentrating collector manufacturer Following the above, some basic theories about concentrating solar collectors will be introduced below. After the definition of concentrating ratio is explained, different types of concentrating collectors are described, which have different concentrating ratio ranges and different sets. The thermal temperature range and discuss the theoretical limits of the concentration ratio and the theoretical limit of the collector temperature. Parabolic surfaces ( including trough paraboloids and rotating paraboloids ) concentrating collectors play an important role in solar thermal utilization, especially in the field of high-temperature solar energy such as solar air conditioning refrigeration, solar industrial heating, solar thermal power generation, and solar furnaces. Therefore, this content will focus on parabolic concentrating collectors from various aspects, including the geometric parameters of the concentrating collector, the optical analysis of the collector, and the thermal performance analysis of the collector. Composite parabolic concentrating collectors (CPC collectors ) are also used in the field of low-temperature solar energy such as solar water heating, solar heating, solar air conditioning and refrigeration. A brief discussion of the compound parabolic concentrating collector (CPC collector ) will be discussed later .
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