Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 391
at its efficiencyis not affected byvariations in load to the same degree as is the efficiencyof the reciprocating engine. A 600 K W. Curtis turbine operating at 1,500R P. M., with steam at 140 lbs. gauge pressure and28.5 in. vacuum, showed a steam consumption as fol-lows, steam superheated 1500: At… … FIGURE 140. ELECTRICALLY OPER-ATED VALVE. THE CURTIS STEAM TURBINE 381 This would seem to indicate that the efficiency ofthe steam turbine increases with overload, at least upto a certain point. In another test of a Curtis turbine, using drysaturated steam of 145 lbs. gauge pressure, the…
