The steam-turbine expansion line on the Mollier diagram and a short method of finding the reheat factor (1911)
National Bureau of Standards · leaf 30
manner from B, and continue till the lowerpressure limit has been reached. The smaller the steps the moreapproximate the result if the graphical work is exact.From the geometry of the figure we have or by equation (6) tan /8 = —tan ai-e k tan yS = — 6i-e (7) (8) As the pressure falls, the… … 9> Fig. 6 pressures pi and p2 which differ so that the pressure-ratio pjpo isa rather large number, 30 for example. Let A (Fig. 6) be the initial state of the steam and C the stateafter isentropic expansion to p2. Let ^C be divided at D so thatADIAC = €. Then if the combined efficiency of the…
steam engines/ B8230E Steam power stations and plants
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