The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 297
is to compare the sum of the actual work areas withthe full area ABCDR: in this particular example, the ratio is 0.55. Thus to include the clearance and compression areas within the 282 PERFORMANCE AND EFFICIENCY OF ENGINES. [Chap. VI. ideal area hardly seems desirable. The opposite extreme would… … Fig. 148. — To Illustrate the Diagram Factor. high factor, here 0.84: but beside the extra graphical work involved, ithas the great disadvantage that the base-length RP no longer repre-sents the cylinder volume, and hence is not a proper divisor by whichto get m.e.p. from area. A glance at the…
Steam-engines · Steam-turbines
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