Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 261
OTHER HEAT-MOTORS. pump. On account of this intimate contact the feed-water acquiresthe same temperature as the steam. The air left after condensa-tion, before being withdrawn by the dry-air pump is cooled bypassing over the tubes containing the coldest circulation water. In the lower part of the… … Fig. 128.—Alberger Sin face-condenser. A high vacuum may be obtained by the use of a surface-condenser. Such a vacuum is not necessarily economical in prac-tice. The vacuum that gives the best economy will vary with theratio of expansion of the engine. When there is a big drop in thepressure…
Steam-engines · Heat-engines
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