Mini-channel tube solar collector

摘要

A solar collector device is provided. The solar collector device includes an evacuated tube and a mini-channel tube mounted within the evacuated tube, the mini-channel tube comprising a first plurality of ports for inflow of a heat-transfer fluid and a second plurality of ports for outflow of the heat-transfer fluid to a heat exchange system. The mini-channel tube may have a hydraulic diameter in a range of approximately 3 millimeters to approximately 200 micrometers. The mini-channel tube may have a hydraulic diameter in a range of approximately 200 micrometers to approximately 10 micrometers.

主权项

1. A solar collector device comprising:
an annular mini-channel tube comprising a first section and a second section, wherein the mini-channel tube defines two slits, each slit extends along at least a portion of a length of the mini-channel tube, and the two slits are separated around a circumference of the mini-channel tube such that the two slits separate at least a portion of the first section from at least a portion of the second section; wherein each of the first section and the second section comprises a first plurality of ports and a second plurality of ports, wherein each of the first section and the second section defines a plurality of mini-channels, and each mini-channel is an opening that extends from a respective one of the first plurality of ports to a respective one of the second plurality of ports, and wherein the at least a portion of the first section is thermally isolated from the at least a portion of the second section.