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Frost detection and defrosting methods: latest advances

A recent Purdue conference paper presents the state of the art regarding methods for retarding the onset of frosting, frost detection techniques and defrosting strategies, including those based on artificial intelligence. 

Air source heat pumps (ASHPs) are energy-efficient devices that are widely used to provide thermal comfort in indoor spaces. However, when the surface temperature of the outdoor heat exchanger is below the dew point of air and the freezing point of water, frost forms on the surfa...

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