Evaporative Air-Conditioning: Applications for by Gert Jan Bom, Robert Foster, Ebel Dijkstra, Marja Tummers

By Gert Jan Bom, Robert Foster, Ebel Dijkstra, Marja Tummers

'Under the suitable stipulations and purposes, evaporative air-conditioning (EAC) applied sciences offers very good cooling and air flow with minimum strength consumption.'

Evaporative air-conditioning applied sciences are getting used more and more in residential and advertisement functions around the world. EAC applied sciences, which depend on water as a coolant instead of on chemical refrigerants, are reasonably priced to provide and use and feature vital environmental merits. This paper introduces the technical points of EAC, reports EAC's scope of program, and surveys the categorical weather conditions below which EAC can be utilized so much successfully in industrialized and constructing nations.

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By Gert Jan Bom, Robert Foster, Ebel Dijkstra, Marja Tummers

'Under the suitable stipulations and purposes, evaporative air-conditioning (EAC) applied sciences offers very good cooling and air flow with minimum strength consumption.'

Evaporative air-conditioning applied sciences are getting used more and more in residential and advertisement functions around the world. EAC applied sciences, which depend on water as a coolant instead of on chemical refrigerants, are reasonably priced to provide and use and feature vital environmental merits. This paper introduces the technical points of EAC, reports EAC's scope of program, and surveys the categorical weather conditions below which EAC can be utilized so much successfully in industrialized and constructing nations.

Show description

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Heat levels can become unbearably high for finishing (ironing) personnel in particular. Every plant has a boiler to provide steam for finishing textiles. Although boilers are walled off, at least part of their heat is added directly to the heat load of the plant. Other equipment that contributes to the heat environment includes washers and tumblers, and in dry cleaning plants some of the solvent reclamation equipment. EACs can introduce air approximating the ambient wet-bulb temperature for cooling.

7 for pictures of direct and indirectdirect evapoative air-conditioning). The investment cost is however roughly double that of a direct air-conditioner (nearly the same level as for refrigerative air-conditioning) but the power consumption is only about 25% higher on an annual basis than for direct air-conditioners. The total cost of electricity and maintenance for indirect/direct systems amounts to roughly 50 percent of that of vapor-compression for the same performance. 6. Cutawayof a DirectEvaporativeAir-Conditioning Key 1:galvanized and painted steel (or sometimew plastic) housing, 2: louvered pad frame for air-inlet,3: blower wheel and shaft 4: water distribution system (header), 4: motor with belt driven centrifugal fan, 5: thermally protected water pump with bleed-off, 6: extra finish is good against rust, and 7: float valve, also overflow and bottom drain are located in the water sump.

That is, the presence of an additional heat source in the form of machines, ovens, dryers, animals, and so on. In such applications, cooling systems often must be sized and designed to work for the whole year. For example, kitchens often need cooling even during winter. , spot-cooling in a manufacturing plant), is the air stream. Another difference between commercial cooling and comfort cooling with EAC is that in commercial applications EAC can play a significant role that VAC systems can do only with difficulty or great expense.

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