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Heat pumps

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... arid regions of the world where there is an abundance of solar and ambient energy. Keywords: Ambient energy; Low-cost energy; Water desalination; Heat pumps; Flash evaporation 1. Introduction In this paper the specific concern of water is investigated and a solution proposed that has the potentia ...
Desalination 137 (2001)

... for condensation of steam from turbines. In this case the temperature of seawater in condensers increases by 10–20°C. A large quantity of heat is lost in condensers. The energy can be used for desalination of seawater in a plant, which includes a low temperature vacuum desalting... economic data of a combined desalination plant have been calculated. The specific expenditure of heat at desalination plants with absorption heat pumps is 2–2.5 fold lower than that of other power systems. Thus, the combined desalination plants with absorption heat pumps are of great interest fo ...
Desalination 126 (1999)

... of neural network (NnM) and thermodynamic (ThM) models is carried out to estimate on-line the coefficient of performance (COP) in an absorption heat transformer integrated with a water purification process (AHT–WP). The NnM has been computed for16 variables measured by sensors (input and output... concentration are invariable in huge systems. Keywords: Neural network; Heat recovery; Thermodynamic model; Absorption heat transformer; Heat pumps 0011-9164/09/$– See front matter © 2009 Elsevier B.V. All rights reserve ...
Desalination 243 (2009)

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