The NPUSM (Narmada) Model for Modeling Canal Flows

by J. J. DeVries, Univ of California, Davis, United States,
J. S. R. Murthy, Univ of California, Davis, United States,



Document Type: Proceeding Paper

Part of: Structures for Enhanced Safety and Physical Security

Abstract:

The NPUSM computer program was developed for the analysis of unsteady flows in canals with various types of canal structures to evaluate the Narmada Canal system in Gujarat, India. The Narmada (Sardar Sarovar) Project has a 1133 m³/s (40,000 cfs) main canal plus thirty-six branch canals with capacities ranging from 310 m³/s (11,000 cfs) to 3.0 m³/s (100 cfs). The NPUSM Model provides features which are unique to Indian canal systems, such as multiple barrel flume structures and cross regulator structures. The Narmada Canal designers adopted the 'constant-volume' concept of operation, and a computer-assisted remote monitoring and control system will be provided for the operation of the main canal and its branches. To effectively use this type of operation requires a good understanding of unsteady flow conditions in the system, both for normal operation and during emergencies. A description of the model is given in this paper, along with background information on the Narmada Project.

Subject Headings: Canals | Computer models | Unsteady flow | Control systems | Structural models | Water flow | Simulation models | India | Asia | Gujarat

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