Indirect evaporative cooling

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Does evaporative cooling make sense in arid climates?

How does an evaporative cooler work? Direct and indirect evaporative cooling strategies To evaporate 1kg of water into an atmosphere, 680W of energy is required. For steam humidifiers, this energy typically comes from the electricity or gas being used to boil the water. Our indirect evaporative cooling allows engineers and owners to get the efficiency benefit of water evaporation without concern for water carryover into the building. We can design the indirect evaporative heat exchanger to be used for heat recovery when ambient conditions require heating.

INDIRECT EVAPORATIVE COOLER. Indirect evaporative cooling occurs when water sprayed to the interior wall of a heat exchanger evaporates. When the water evaporates , the heat of vaporization imparts a cooling effect to the outer wall of the heat exchanger.

This allows the airstream which contacts the outer wall to be sensibly cooled. The Indirect system uses evaporative media in a cooling tower to cool water down to temperatures approaching the wet bulb temperature. This water is then pumped through a water coil to lower the entering air temperature without adding any moisture to the airstream.

HMX manufacture various kinds of evaporative air cooler such as indirect direct evaporative cooling system, which helps to keep your home, office cool. Our evaporative cooling systems supply fresh, clean and cool air for different industrial applications. They cool the air by means of the air heat exchanger, which works best not only in the hot and dry climates, but also in the high humid climates.

Because the indirect evaporative cooling not add the humid and provides the dry cool. The cooled moist air from the direct evaporative cooling process never comes in direct contact with the conditioned supply air. In IEC, warm primary air cools by losing its heat to a thin water film on the other side of a conducting surface. Indirect Evaporative Cooling (IEC) has the potential to bring in a revolutionary change in the field of comfort conditioning.

The roof's surface temperature follows closely the ambient wet-bulb temperature, while the ceiling acts as a radiant convective cooling panel for the space under it. Evaporative cooling can also be passive and indirect , by providing a shaded water pond over an uninsulated roof. However, for cold water humidifiers, this energy is taken from the air in the form of heat, which in a drop in air temperature.

So for every 1kg of water evaporated into an atmosphere, 680W of evaporative cooling is achieved. The evaporative cooling technique takes the advantage of water evaporation to achieve cooling effect. As a potential alternative to the conventional mechanical vapor compression system, it has drawn great attention for building cooling applications. An indirect evaporative cooling system is able to produce the cool air without moist change.

The surface of the cooling air passages is wetted by spray water (also named recirculation water), so that water film evaporates into the cooling air and decreases the temperature of the wetted surface.

Direct evaporative cooling designs with staged or modulating capacity control. In indirect evaporative cooling , evaporation occurs inside a heat exchanger and the water content of the cooled air remains unchanged. Since high evaporation rates might increase relative humidity and create discomfort, direct evaporative cooling can be applied only in places where relative humidity is very low.

Think outside the white space with STULZ's line of. Outdoor Mounted Data Center Air Handling Units. Only Evaporative Cooler Fans Can Cool A Workspace Quite Like This.