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International Journal of Photoenergy
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International Journal of Photoenergy
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2018
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Article
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Fig 2
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Research Article
Experimental Study of a Novel Direct-Expansion Variable Frequency Finned Solar/Air-Assisted Heat Pump Water Heater
Figure 2
Diagram of the evaporator-collector. (a) Front view. (b) Lateral view.
(a)
(b)