A solar water heater system is composed of vacuum solarenergyabsorber, electrically aided heater and water-saving antifreezing unit.
一种太阳能热水器系统装置，它由真空太阳能吸收器、电辅助加热装置、节水防冻装置构成。
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A detailed analysis of steady state heat transfer is made in this paper for a conical focusing solarenergy collector with a cylindrical glass cover around the absorber.