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Mechanical Equipment of Buildings Volume 2; Power Plants and Refrigeration; A Reference Book for Engineers and Architects download PDF, EPUB, Kindle

Mechanical Equipment of Buildings Volume 2; Power Plants and Refrigeration; A Reference Book for Engineers and Architects download PDF, EPUB, Kindle

Mechanical Equipment of Buildings Volume 2; Power Plants and Refrigeration; A Reference Book for Engineers and Architects by Louis Allen Harding
Mechanical Equipment of Buildings Volume 2; Power Plants and Refrigeration; A Reference Book for Engineers and Architects
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Author: Louis Allen Harding
Page Count: 192 pages
Published Date: 21 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781236423863
Download Link: Mechanical Equipment of Buildings Volume 2; Power Plants and Refrigeration; A Reference Book for Engineers and Architects
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt: ...hand wheel attached to the valve stem as in an ordinary gate valve. When the exhaust steam from the engine is used for the heating system, this swing gate and check valve is used on the atmospheric exhaust pipe as a back-pressure valve. Several applications of mixed flow turbines are described and illustrated in the chapter on "Exhaust Steam Heating," Section I. Regenerators. In combined engine and low-pressure turbine plants where the conditions of operation are such that the engines are intermittently shut down for very short periods, and where the load is a widely fluctuating one, as with mine hoists, rolling mills, etc., the installation of a regenerator between the engine and turbine unit (case previously mentioned), provides for a con tinuous supply of steam to the turbine, Fig. 44. A steam regenerator is simply a vessel containing a quantity of hot water arranged to present a large surface to the entering steam. The function of the regenerator is the same as that of any energy storage medium, namely, to absorb energy received more or less intermittently and to give it up steadily. The action of the regenerator depends upon the reduction in pressure over the surface of the liquid below that corresponding to its temperature which causes a portion of the liquid to evap Fio. 44. Drawings Of Rateau Regenerator. orate, the heat required for evaporation being supplied by the heat liberated by the liquid in having its temperature lowered due to the drop in pressure. Example. Assuming that a closed vessel contains 1000 lb. water at a temperature of 222.4. The pressure of saturated steam corresponding to this temperature is 18 lb. per sq. in. absolute. If the pressure is reduced to 17 lb. the corresponding temperature is 219.4. The heat liberated is ...

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