Mirror enclosures for double-exposure solar collectors
作者： D.C. Larson
DOI: 10.1016/0038-092X(79)90076-8
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摘要: Abstract A conventional flat-plate collector panel can be employed in a double-exposure configuration when the is glazed on both sides and mirrors are provided to reflect solar radiation onto back side of panel. In this paper, several flat-mirror configurations evaluated optimal determined for different energy applications at lat. 35, 40 45°. The various mirror theoretically by calculating direct-beam diffuse enhancement factors. factors defined as ratio flux absorbed that an identical single-exposure tilted latitude angle from horizontal. calculated using method images take account variation glazing transmittance with incident angle. Optimal were fixed-mirror adjustable-mirror semi-annual rotations. obtained winter space-heating year-round applications. An configuration, however, was collection overall most adaptable variety same all three latitudes therefore single design diverse locations.
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