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You are here : eLibrary : IAHR World Congress Proceedings : 36th Congress - The Hague (2015) ALL CONTENT : Water resources and hydroinformatics : A simulation Ęc optimization approach in development of operation policy for a multipurpose reservoi...
A simulation Ęc optimization approach in development of operation policy for a multipurpose reservoir
Author : PRIYANK J. SHARMA(1), P. L. PATEL(2) & V. JOTHIPRAKASH(3)
ABSTRACT
In the present study, behaviour of a reservoir system, Ukai reservoir, India has been examined by using a simulation model
with reservoir sedimentation and flood control operating scenarios. A standard operating policy (SOP) based simulation
model has been developed considering historical reservoir data of 36 years from 1975 ĘC 2010. The system behaviour has
been assessed using statistical performance indices like reliability, resilience and vulnerability. The simulation results
indicated that the system is highly reliable for water supplies on one hand, and vulnerable to flood damages on the other.
Keeping in view the need to optimize the system with the objective of minimizing the flood damages, ensuring reliable water
supply for municipal and industrial, and irrigation demands, a monthly time stepped backward recursive stochastic dynamic
programming (SDP) model has been developed while giving due consideration to target releases and target storage for
monsoon periods with appropriate flood control constraints. In the SDP model, initial reservoir storage and inflow, in a
particular month, have been treated as state variables; and stochasticity of inflows are addressed by computing one-timestep
transition probabilities. The reservoir storage and inflow each have been discretized into seven class intervals. The
optimal reservoir releases and optimal end of the period storages are reported for different combinations of state variables.
The optimal policies are synthesized and rule curves are proposed for the optimal operation of Ukai reservoir. The simulationoptimization
approach indicates an improvement in the reservoir operation in terms of increasing storage volumes, ensuring
reliable releases, and decrease in spill events compared to existing operating conditions.
File Size : 667,369 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 36th Congress - The Hague (2015) ALL CONTENT
Article : Water resources and hydroinformatics
Date Published : 19/08/2015
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