摘要:
An apparatus and method for retrofitting existing solar collection panels with transparent thermal insulation facilitates upgrading existing conventional solar thermal panels with thermal insulation for the surface of the collection panel, with minimal effect on light transmission to the absorber. Use of a transparent thermal insulation panel improves the performance of an existing solar thermal panel, including, but not limited to increasing the output water temperature, operation at a lower level of solar radiation exposure, and reducing the minimum ambient operating temperature.
摘要:
Insulated solar panels provide that provide a solar thermal collector with means for limiting stagnation temperatures and preventing damage include: temperature limiting is provided by the insulated solar panel, isolating internal components from the environment, using passive closed systems within the sealed solar thermal collector, while also allowing alternative implementations as active systems and/or portions of the temperature limiting system outside the sealed solar thermal collector. A heat pipe can be used as a passive thermal switch, where the temperature induced action at a predetermined temperature causes an abrupt transition from a state of thermal isolation to a state of strong thermal coupling. Additionally, a set of siphon circulation pipes provides a passive closed system for temperature limiting.