Optimal Real-Time Pump and Irrigation Scheduling for Center-Pivot Sprinkler Systems
A comprehensive scheduling algorithm is presented for optimally integrating irrigation and pump operational decisions in center-pivot sprinkler systems. Dynamic programming successive...

Analysis of Pumping Station and Force Main Networks
A computer program to simulate the performance of wastewater pumping station and force main networks is discussed. Results are presented which compare system performance for steady and...

Special Hydraulic Problems Related to Coastal Louisiana Drainage Systems
The urbanized coastal areas of southeast Louisiana present unique problems for hydraulic engineers. These problems relate to the design of drainage systems serving leveed areas with flat...

Model Study of New Madrid Pumping Station
The proposed pumping station on the New Madrid Floodway consisted of a draft tube type sump design (referred to as a formed suction inlet) to eliminate swirl and provide a more uniform...

Underwater Tunnel Inspection by Virginia Power Using a Submersible Robot
The Bath County Pumped Storage Station, has three large tunnels linking the upper and lower reservoirs. The 'Hydrover' submersible remotely operated vehicle (ROV)...

Glitches in Flitch Beam Design
Wiesenfeld proposes a set of design criteria for flitch beams. These beams, in which wood and steel sections are bolted together to act as a single structural unit, are currently covered...

Pumped-Storage Project Site Selection
The paper presents a case history in the selection of a site for a large pumped-storage project for Oglethorpe Power Corporation. The case history illustrates how a large number of potential...

Pumped Storage and Compressed Air Storage, A Comparison
Pumped storage hydroelectric power plants and compressed air energy storage (CAES) plants are used for peaking and intermediate duty on electrical utility load systems. In comparing pumped...

Hydropower retrofit at the Toledo Bend Dam
Since the early 1970's, the Authorities have been examining the possibility of utilizing sluiceway releases to generate hydroelectric power to meet most of the demands of...

Pumped Storage and Power System Operations
The 2100 megawatt Bath County pumped storage power station began commercial operation in December 1985 as a jointly-owned project of Virginia Electric and Power Company (Virginia Power)...

The Design of the Outlet for the New Koepchenwerk Pumpstorage Plant
The Koepchenwerk Pumpstorage Plant (1930) is going to be replaced by a new plant with a 150 MW Pumpturbine in a shaft. This paper explains the reasons for this replacement and gives a...

Case Study: Siphon Penstock Operations
Hydroelectric power plants utilizing siphon penstocks operating near Winter, Wisconsin and at Jim Falls, Wisconsin have met or exceeded expectations after fine tuning of the vacuum and...

Potential for Upgrading the Robert Moses Niagara Power Plant
This paper summarizes the feasibility of increasing the generating capacity of the Robert Moses Niagara Power Plant by replacing the turbine runners, upgrading the generators, and replacing...

Development of Three Systems Operated Rev. Pump Turbine
In order to represent the development of reversible, single stage pump turbines in Yugoslavia, the three systems operated pump turbine (3SRPT) of the fourth unit of Moste hydro power plant,...

No. 1 Water Wheel Project, Gilman, Vermont
This paper describes the replacement of an old generating unit with a new unit in a turn-of-the-century mill building where three other such units were already operating. The key issues...

Sewage Plant Engineered for Value
The Camden County (NJ) Municipal Utilities Authority was formed in 1972 to cope with suburban growth that had overloaded 34 primary treatment plants. By the early 1990s, the Authority...

Sensing by Satellite
Commercially available data collected by U.S. and French satellites re helping civil engineers take a closer look at our planet. Also available are PC-based image processing systems that...

Fatigue Reliability and Inspection in Redundant Structural Systems
The reliability of redundant structural systems under fatigue including updating by inspection is studied using two different formulations, i.e., the stress intensity space and the crack...

Sanitary Sewer System Modeling for Operation and Planning
Development of a Steady State Sanitary Sewer Simulation (S5) computer model helped Newport News, Virginia, enact an efficient sanitary sewer management...

Methodology for the Optimal Reliability Based Design and Analysis of Pumping Systems for Water Distribution Networks
A methodology has been developed for the optimal (minimum cost) reliability based design of pumping systems. Two computer simulators, a reliability simulator and a hydraulic simulator,...

 

 

 

 

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