Abstract:
Given the observations
at the section of the Ob river below the dam location
of the Novosibirsk Hydropower Station,
the calculations of water level dependence
on water discharge and ice hole length in winter
are carried out
by the model of nonstationary hydrodynamic and ice-thermal processes.
Some algorithm is developed
that uses the dependence
and allows us to determine the optimum discharge at the dam section
providing the stable functioning of the river water intakes
near Novosibirsk.
The results of calculations are given
for various values of the roughness coefficient
of the lower ice cover.
Keywords:lower pool of a hydropower system, low waters,
water intake, hydrodynamic and ice-thermal processes.
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