Abstract: The use of a heat exchanger in solar water heating systems reduces the overall system efficiency. In this paper, we derive a simple "penalty factor" that gives the fractional reduction ...

Abstract: Aqueous calcium chloride has a number of potential advantages as a compact and long-term solar storage medium compared with sensibly heated water. The combination of sensible and chemical binding ...

Abstract: In the autumn of 2002, 14 universities built solar houses on the National Mall in Washington, DC, in a student competition—the Solar Decathlon—demonstrating that homes can derive all the energy ...