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4.2. STEAM TURBINES AND GAS EXPANDERS 63
w
2
0
LL
w a
c
z
50
2
w 0
2
0
V 2
40
Average efficiency of multistage turbines (gear loss not incliided).
Figure 4.1. Efficiencies of (a) single-stage and (b) multistage turbines (Gartmann, De Lava1 Engineering Handbook, McGraw-will,
New York, 1970, pp. 5.8-5.9, Figs. 5.2 and 5.3).
