VALSUANI , Federico

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Traditional thermal solar panel technologies have limited efficiency and the required economic investments make them noncompetitive in the space heating market. The greatest limit to the diffusion of thermal solar systems is the characteristic temperatures they can reach: the strong connection between the user temperature and the collector...

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A steady state off-design model of a Water Solar Assisted Heat Pump (W-SAHP) and the results of monthly-based averaged simulations are presented. The W-SAHP system is arranged with a commercial water- towater heat pump, coupled with unglazed flat plate solar collectors. The study is purposely developed for swimming pools, however most of the...

A linear reciprocating magnetic refrigerator prototype was designed and built with the aid of an industrial partner. The refrigerator is based on the Active Magnetic Regenerative cycle, and exploits two regenerators working in parallel. The active material is Gadolinium in plates, 0.8 mm thick, for a total mass of 0.36 kg. The device is...

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Liquefied natural gas (LNG) vaporization facilities offer an excellent opportunity of primary energy saving by means of integration with power conversion units that is still weakly exploited in actual installations. This work focuses on the evaluation of primary energy saving achievable by the integration of an LNG vaporization facility with a...

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The main technological issues related to the development of PVT hybrid panels is de-scribed and the main achievements and studies being developed at DIME are reported, with particular reference to solar assisted heat pump (SAHP) heating systems, both with PVT or thermal SAHP systems.

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