Brazing Center Develops Benchmark Charge Air Cooler Design: Expert Offers Tips for Manufacturers of Brazed Copper-Brass CACs.NEW YORK New York, state, United States New York, Middle Atlantic state of the United States. It is bordered by Vermont, Massachusetts, Connecticut, and the Atlantic Ocean (E), New Jersey and Pennsylvania (S), Lakes Erie and Ontario and the Canadian province of -- The International Copper Association announces that the Brazing brazing, method of joining metal parts using nonferrous filler metals with high melting points such as copper, silver, and aluminum alloys. Brazing differs from soldering (see solder) by using a higher temperature; and unlike welding, the parts are not melted. Center in Vasteras, Sweden, has developed a benchmark charge air cooler A charge air cooler (also known as an intercooler) is used to cool engine air after it has passed through a turbo charger, but before it enters the engine. The idea is to return the air to the optimum temperature for the combustion of the engine. (CAC See Consumer Advisory Council. ) design for manufacturers around the globe looking to produce superior heat exchangers. The CAC, made using CuproBraze(R) technology for brazing copper and brass, has been subject to stringent wind-tunnel tests, cyclic stress Cyclic stress in engineering refers is an internal distribution of forces (a stress) that changes over time in a repetitive fashion. As an example, consider one of the large wheels used to drive an aerial lift such as a ski lift. tests, and corrosion tests. The results prove that copper-brass CACs are more durable and efficient than their aluminum counterparts. Until very recently, nearly all CACs were made from aluminum. In the last few years, however, many practical copper-brass CAC designs have been developed. According to according to prep. 1. As stated or indicated by; on the authority of: according to historians. 2. In keeping with: according to instructions. 3. Bengt Gustafsson Bengt Gustafsson may refer to one of several people:
Based on his testing experiences, Gustafsson offers designers of brazed copper-brass CACs these tips: --Control over the fin height is important. In a CAC, the sandwich construction of the tubes and fins does not allow for variations in fin height. Exact part dimensions are required to form good brazed joints between the fins and tubes. --If wide headers and thin gauge tanks are used, these parts will deform at relatively low pressures. Headers should be as narrow as possible to limit stresses to the tube-to-header joint and in the header close to the joint. --If thin gauge brass tanks are used, they should be well designed for internal pressure, to minimize stresses in the header. "Well-rounded shapes are necessary," cautions Gustafsson. "The CuproBraze technology represents the future of improved heat exchangers for passenger vehicles and new clean diesel engines," says Nigel Cotton, automotive manager for the International Copper Association. Around the globe, 11 manufacturers are making radiators, charge air coolers and other products on their own dedicated CuproBraze lines. In addition, 12 companies are due to open CuproBraze production facilities, and 80 companies are currently evaluating the technology. A detailed report on testing procedures and results is available upon request. Contact Cara Clinton at (212) 297-2109. To contact the International Copper Association directly, call (212) 251-7245 or write to ICA Ica (ē`kä), city (1993 pop. 108,724), capital of Ica dept., SW Peru, on the Pan-American Highway. It is a commercial center for the cotton, wool, and wine produced in the region. There are several summer resorts nearby. at 260 Madison Avenue, 16th Floor, New York, NY 10016-2401. The International Copper Association, Ltd. is the leading organization for the promotion of the use of copper worldwide. The Association's twenty-nine members represent about 80 percent of the world's refined copper output, and its six associate members are among the world's largest copper and copper-alloy fabricators. ICA is responsible for guiding policy, strategy and funding of international initiatives and promotional activities. With headquarters in New York City New York City: see New York, city. New York City City (pop., 2000: 8,008,278), southeastern New York, at the mouth of the Hudson River. The largest city in the U.S. , ICA operates in 28 worldwide locations through a network of regional offices and copper development associations. |
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