| Large Air Coolers - For Industries Only | | | | |
| | | | Air circulating fans draw air through a |
| In some places in industries, a lower | | | | curtain of water. The water trickles down a |
| temperature (compared to atmospheric) is | | | | path and during passage; water is broken down |
| required from process point of view or from | | | | to tiny droplets giving it a large surface |
| comfort point of view. Air conditioning is | | | | area. Air drawn through these tiny droplets |
| out of question, as it would require large | | | | and is cooled the same way as it happens in |
| capital and huge running payment of | | | | an earthen pot. The cold is circulated |
| electricity bills. Evaporative cooling is the | | | | through the industrial installation. This |
| solution in this case. This is just a scaled | | | | gives installation an air which has a lower |
| up model of home air coolers. | | | | than atmospheric temperature. Evaporative |
| | | | cooling gives you comfortable atmosphere when |
| Working Principle Of Evaporative Coolers | | | | outside is too hot to bear. |
| | | | |
| Evaporative cooling is known to humanity | | | | Advantages Of Evaporative Cooling |
| since ages. Earthen clay pots have been | | | | |
| providing coldwater during summer when there | | | | Advantage of evaporative cooling is the |
| was no air conditioning or refrigeration. The | | | | initial low cost and low operating costs. All |
| fired clay pots have tiny holes through which | | | | that is required is the water pumps and the |
| water comes out and when it comes to surface, | | | | air circulating fans. The whole set up is |
| it evaporates. The heat required for | | | | compact. Evaporative cooling is the only |
| evaporation is taken out from the water | | | | method of removing large quantity of heat |
| inside the pot. The heat transfer from the | | | | from cooling water used in many industrial |
| water is possible only because of the tiny | | | | plants. Here instead of removing heat from |
| passage in earthenware pots. The same | | | | atmospheric air, heat from water is rejected |
| principle is used in industrial evaporative | | | | to atmospheric air. |
| coolers. | | | | |