![]() ![]() Compared with the other two collectors, the trough solar energy collector has been widely used. There are several common concentrating collectors, such as trough type, dish type, and tower type. Under this background, the solar energy converting technology, especially concentrating light technology, has a broad prospect. Recently, with the increasing attention of the international community about energy problem, solar energy and the other renewable energies rise gradually on large-scale application. The encouraging results will provide a reference for the exploitation and utilization of parabolic trough solar collector in cold climate region. The results show that the order of effect extent for average maximal deviation of each factor is inlet temperature, solar radiation intensity, diameter, flow rate, condensation area, pipe length, and ambient temperature. ![]() After that, the influence degree of different factors on the collector instantaneous efficiency is obtained clearly. Effects of different factors on instantaneous efficiency have been determined by orthogonal experiment and single factor experiment. Taking climatic performance into account, an average outlet temperature of LS-2 collector has been simulated successfully by coupling SolTrace software with CFD software. The aim of this paper is to investigate the multifactors effect on the system’s efficiency in cold climate region. However, it is limited to a single or double factors for available system. ![]() A multitude of the researches focus on the factors of the thermal efficiency of a parabolic trough solar collector, that is, the optical-thermal efficiency. ![]()
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