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Air Conditioning

In 1900 there was very little people could do during a hot spell except grumble about the weather or -if they could afford it -go away to the mountains or the seashore. Today air conditioning has changed this. With air conditioning has changed this. With air conditioning you can be comfortable anywhere indoors on even the hottest, stickiest day of the year. You will almost certainly find air conditioning in the movie theaters you attend, in many of the stores where your family shops, and in the restaurants where you eat. It may even be in your own home https://aireacondicionadoconinstalacion.cl/



What is air conditioning?

You know that air conditioning makes you feel cool. But air conditioning is more than just cooling. It means keeping the temperature and humidity (moisture content) of air in an enclosed space, whether it is one room or an entire building, at just the right level for the comfort of the people inside. It also means circulating the air and adding moisture if necessary. In summer it means removing by passing the air over cold pipes that collect water from the air, much as drops of water condense on a cold water glass on a hot, damp day. In fact, we might almost say that air conditioning means creating an artificial, comfortable climate. In this article we shall discuss only cooling.


In dry climates air can be cooled simply. The cooler may be no more than a large fan that draws hot, dry air to a water soaked fiber mat. The air is cooled as it evaporates the water. It is do dry to begin with that the added moisture will not cause discomfort. (This is not the case in humid climates)


Air conditioning has many uses besides keeping us comfortable. Many industries depend on it to keep the air in their plants clean, cool and at the right moisture level. For example, textile fiber such as wool and cotton will stretch or shrink as the moisture content of air changes. This causes variations in the quality of the cloth. Too much moisture in the air -or even on a worker's fingertips- will cause delicate metal parts such as rocket components or precision instruments instrument to corrode. The wrong temperature can spoil a batch of antibiotic culture. Proper air conditioning prevents this mishap.


The deep diamond and gold mines of South Africa use air conditioning to enable miners to work in what would otherwise be suffocating in heat, thousands of feet below the ground. With the air conditioning is involved in every part of the United States space program, from making missiles to tracking them through the atmosphere.


Inventors have tinkered with methods of air conditioning for years. Ancient Egyptians and Romans got some relief from the heat by hanging woven mats soaked with water across to their entrances of their houses, so the air would be could by evaporation. In the 15th century A.D., the famous artist and inventor built water powered fan.


As men is interest in science grew so did the number of schemes for getting cool. There were hundreds of ideas, but none of them really worked. In fact, many of the schemes made people feel worse because they added large amount of water to the air. Air is like a sponge. It will soak up water and make people feel sticky and uncomfortable, especially in hot weather. When the air is very moist, we say the humidity is high. When the air is dry, the humidity is low and we feel better.


The first machine that kept the humidity low or cooled the air at the same time was developed in 1902 by Willis H. Carrier who built is often called "the father of air conditioning." Carrier built this machine for a printing plant in Brooklyn, New York, that had trouble printing in color. Paper stretches when the air is damp and shrinks when the air is dry. Since each color had to be printed separately, printing of different colors on the same sheet of paper did not line up accurately because the papers change size between printings. Carrier's machine kept the moisture level of the air constant by drawing the air over a row cold pipes that condensed excess moisture. This kept the paper at one size and also made the people in the plant feel cool. Carrier's invention marked the begin of scientific air conditioning.



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