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- W1568641007 abstract "The purpose is to measure the sound attenuation performed by an insulating casing in which the outside unit of a single house air to water heat pump is put. The casing is composed of three volumes joined up together: the central volume contains the heat pump, the other two allow each by an opening, one the air inlet and the other one the air outlet. The casing is made of a bad weather-proof mix of wood and cement. The inside of the casing is covered with mineral wool. Without the casing, the air to water heat pump provides a 7.1 kW cooling capacity and a 68.9 dB(A) sound power at 35°C outdoors. The casing is designed for an inside air speed less than 1 m/s in order to strongly minimize the pressure loss and to help its sound attenuation skill. Laboratory measurements show that in both heating and cooling modes, thermal capacity and COP of the heat pump once put in the casing are not changed. The global attenuation due to the casing on the heat pump sound power is 33 dB(A). On the air inlet side, the attenuation is 40 dB(A). On the outlet air side, the attenuation is 34 dB(A). The interest is to achieve such an attenuation with a casing which does not use any specific sound reducing component." @default.
- W1568641007 created "2016-06-24" @default.
- W1568641007 creator A5061070869 @default.
- W1568641007 date "2002-01-01" @default.
- W1568641007 modified "2023-09-26" @default.
- W1568641007 title "Study Of The Effects Of The Casing Of A Heat Pump On Its Thermal Capacity And Emitted Noise" @default.
- W1568641007 hasPublicationYear "2002" @default.
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