Hydro power Flashcards
1
Q
two types of hydro stations
A
run of river
storage plants
2
Q
two types of turbines
A
impulse
reaction
3
Q
example of impulse
A
pelton
4
Q
four head losses in impulse turbine system
A
1 loss in friction i nnozzle
2 loss in fluid friction over buckets of turbin runner
3 kinetic energy of water carried away in water
4 energy used in rotating the buckets
5
Q
equation for power extracted by turbine
A
P=gamma Q ht
6
Q
what is ht
A
energy avaoliable to turbine
7
Q
reaction turbine description
A
flow in closed chamber under pressures. flow axial, inward or mixed. francis
8
Q
range of dimsneioless speed n fro each turbine
A
<0.2 pelton
0.2 - 2 francis
>2 kaplan
