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Porous pottery and coarse cloth maximize the area for evaporation. An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression ...
Lectern. A lectern is a standing reading desk with a slanted top, on which documents or books are placed as support for reading aloud, as in a scripture reading, lecture, or sermon. A lectern is usually attached to a stand or affixed to some other form of support. To facilitate eye contact and improve posture when facing an audience, lecterns ...
The pulpit is 415 cm high, 371 wide at the base, and 259.5 deep. [5] The main reliefs measure 33.5 x 44.5 inches, and the single figures such as the Daniel/Fortitude figure 22 inches. [6] The pulpit has a large platform, a regular hexagon held up by seven columns and currently reached by modern steps in wood. [7]
Eagle lectern. Stone, on the Romanesque pulpit (1207) of San Miniato al Monte, Florence. Eagle lectern at St Mary Redcliffe, Bristol, England. An eagle lectern is a lectern in the shape of an eagle on whose outstretched wings the Bible or other texts rest. [1] They are common in Christian churches and may be in stone, wood or metal, usually brass.
A typical evaporative, forced draft open-loop cooling tower rejecting heat from the condenser water loop of an industrial chiller unit. A cooling tower is a device that rejects waste heat to the atmosphere through the cooling of a coolant stream, usually a water stream, to a lower temperature.
A refrigerator designed to reach cryogenic temperatures (below 120 K, -153 °C, -243.4 °F) is often called a cryocooler. The term is most often used for smaller systems, typically table-top size, with input powers less than about 20 kW. Some can have input powers as low as 2–3 W. Large systems, such as those used for cooling the ...
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Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.