The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 547
of the machine,piece 3 takes the form of a long rod or shaft, with arms keyed to it. Thefunction of the governor is simply to raise and lower the fulcrum A. In this system of control, the turbine has a periodic pulsation of ad-mission pressure. Steam-channel areas and vane angles have been… … Fig. 378. — Outline of Governor and Valve Gear, Westinghouse-Parsons Turbine. equivalent mean steady pressure. Against this argument must be setthe fact that a part of the steam works at very low efficiency; while thealternate acceleration and retardation of the whole steam current cer-tainly seems…
Steam-engines · Steam-turbines
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