Small Decentralized Hydropower Program National ... - Cd3wd.com

96
94
92
s -
3‘ 90
.z 68
.- fj 86
A
Figura 9a Perfiles de Rotores de Turbina para la Misrna Caida y Potencia
Figure 9a Turbine Runner Profiles for the Same Head and Power
84
82
80
1
e I-C-----
[Single-nozzle
I
Francis turbines -;impulse
I I I I I
Propeller turbines
I I
----+
I
0 20 40 60 80 100 120 140 160 180 200
Normal specific speed, nS = n&We
/-$I4
Figura 9b Eficiencia de Distintas Clases de Turbinas Figure 9b Efficiency of Various Types of Turbines
HPlice con paletas fijas n, = 140
Fixed-blade propeller -I---’
100 r-
20
Figura 10
-
Percent of full load
Ol
0 20 40 60 80 100
Variacih en la Eficiencia con Carga o Velocidad y Cdda Constantes para las Diferentes Clases de Turbina
Figure 10 Variation in Efficiency with Load at Constant Speed and Head for Different Turbine Tvoes
131
.