The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 145
alue pi to a lower value p2) by free or unresisted expansion.It occurs whenever steam flows through a partly opened valve or someother restricted portion of its channel, so that pressure work is usedup in producing velocity and kinetic energy, but without any usefulapplication of this energy. The… … Fahr. 1.6 1.8 20 11 Fig. 66. — Temperature-entropy Diagram, to Show Throttling Effectand Lines of Constant Total Heat. through an orifice or nozzle from pressure p\ to pressure p2. If thejet is perfectly formed, its kinetic energy will be equivalent to the areaEABF on the temperature-entropy…
Steam-engines · Steam-turbines
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