francis_alpha: Francis alpha
In EnvironmentalScienceAssociates/tbsa: Turbine Blade Strike Analysis
francis_alpha R Documentation
Francis alpha
Description
Angle (rad) to tangential of absolute flow upstream of runner
Usage
francis_alpha(Q, H, D, D1, D2, rpm, eta, opt, xi, B)
Arguments
Q
Turbine discharge (cfs)
H
Net head on the turbine (ft)
D
Nominal diameter (ft) of runner
D1
Diameter (ft) at the intake of the runner
D2
Diameter (ft) at the outlet of the runner
rpm
Runner revolutions per minute
eta
Turbine efficiency
opt
Ratio of turbine discharge at best efficiency to hydraulic capacity
xi
Ratio between Q with no exit swirl and Qopt
B
Runner height (ft) at inlet
EnvironmentalScienceAssociates/tbsa documentation built on Feb. 3, 2023, 6:46 a.m.
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| francis_alpha | R Documentation |
Francis alpha
Description
Angle (rad) to tangential of absolute flow upstream of runner
Usage
francis_alpha(Q, H, D, D1, D2, rpm, eta, opt, xi, B)
Arguments
Q |
Turbine discharge (cfs) |
H |
Net head on the turbine (ft) |
D |
Nominal diameter (ft) of runner |
D1 |
Diameter (ft) at the intake of the runner |
D2 |
Diameter (ft) at the outlet of the runner |
rpm |
Runner revolutions per minute |
eta |
Turbine efficiency |
opt |
Ratio of turbine discharge at best efficiency to hydraulic capacity |
xi |
Ratio between Q with no exit swirl and Qopt |
B |
Runner height (ft) at inlet |
R Package Documentation
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