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The growing mass-market demand for frozen food products is of a key interest of retailers targeting the consumers with limited income and out of rich for culinary delights, who represents a majority i...n the modern society. In spite, the food deep freezing is itself an expensive and energy intensive process that contradicts the idea to feed the lowincome customers. This study provides an analysis of multicomponent ejector systems application with single flow cycle as an alternative method for affordable deep freezing at the expense of exhaust or renewable heat. The presented thermodynamic cycles and economical characteristics of both vapor compression and Multicomponent Ejector Refrigerating Systems (MERS) speak in a favor of the last one considering its high reliability and durability, absence of lubrication, low or medium grade heat operation instead of expensive high grade electricity etc. MERS serves to decrease the energy consumption for deep freezing by minimizing cost of the system, since condensers and evaporators at each stage operate at the same pressure levels. The main disadvantages - high heat input to vapor generator and condenser is compensated by low cost and wide availability of the low grade or renewable heat source that in combination with high exergy COP and lower installation and maintenance costs make the multicomponent fluid ejector refrigerating system the promising technology in the long run.続きを見る
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