Solar-Powered Stirling Engine

This process utilizes a Stirling engine, which can convert heat energy to kinetic energy effectively. By using solar heat to power the Stirling engine, it is feasible to receive electricity & hot water simultaneously.

The Wakasa Bay Energy Research Middle is doing R&D on a Stirling engine process powered by solar heat.

“This is an acrylic plastic lens. It is called a Fresnel lens, & it plays the role of a convex lens, focusing solar rays to a single point. In this way, the solar energy density is increased, raising the temperature to 500°C, to drive the Stirling engine. This process is designed to generate electricity at 12 V DC, so it can charge a battery directly.”

“This process depends entirely on heat. In the coursework of the day, it generates electricity using sunlight, but because it makes use of a Stirling engine, at night, it can use biomass energy to generate electricity. It also makes use of chilled water to icy the engine, which provides hot water at 40°C, which can be used for showers & the like.”

From now on, the Middle aims to create a commercial process based on this prototype, reducing the cost by replacing some materials with aluminum & plastic.

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