Are all copper absorber plates more efficient than a copper aluminum plate?
A. Some are and some are not, it depends on the construction of the absorber. To be specific the efficiency is dependent upon the thickness of the copper or aluminum, the distances between the tubes, the size and thickness of the tube and the method of which the absorber material is attached to the tube to create the heat transfer. This is called the fin efficiency. The materials and method for heat transfer for the Sun Ray (all copper) and (copper aluminum) absorbers are selected for the maximum possible efficiency, Sun Ray (copper aluminum) absorbers are higher in efficiency then most (all copper) plates on the market. Sun Ray calculated its fin tube efficiency for an all copper plate 96%. Sun Rays copper aluminum plate came out 94%. Other examples for a comparison: A fin tube efficiency of #112 type copper.006 thick absorber using a weld to the age of a tube as a heat transfer method and the tubes are spaced 4 apart will yield 89% efficiency. Q. Do Sun Ray Solar Copper Aluminum abso
