Checking Turbine Performance by Index Testing
This paper discusses an index testing procedure used by TVA for measuring performance levels of its hydroelectric units. It also describes a current program for retesting generating units...

New Concepts for Prelininary Hydropower Design
Hydropower generation on steep mountainous streams where storage is impractical can usually be made economical if: the flow duration curve shows sufficient energy available in the high...

Kinetic Hydro Energy Conversion System Study
In early studies conducted at New York University (NYU) at the request of New York Power Authority (NYPA) a number of conclusions were reached regarding the resource and the types of kinetic...

Development of the Standardized Francis Turbine
Initial machine selections to address higher head sites included small custom Francis turbines and standard pumps running in the turbine mode. As the former proved too costly and the latter...

Computer Aided Design of Small Hydro Turbine
The paper discusses a system for producing custom designed turbines which are attractive in price and delivery, retaining the advantages of customization. A computerized program is being...

Observations and Experiences of Bulb Turbines
This article gives a short historical review of the introduction, construction and development of bulb turbine plants in Sweden. The article relates some of the experiences of the designers,...

Optimization of Low Head Hydro Equipment
In this paper, we will limit our purpose to the presentation of the different types of turbines that CE/Neyrpic proposes for low head power plants, for run of the river operations. We...

Small Kaplan Versus Tubular and Francis Turbines
Mossefossen Power Plant is situated in the centre of the small town Moss in the southern part of Norway. Water flows from an existing dam through a 9 m**2, 175m long tunnel to the powerhouse...

Design Criteria for Generators in Low-Head Hydro-Power Plants
Principal characteristics and design features of such generators are discussed and options and preferences in their selection mentioned. Effects on inertia constant, efficiency, reactive...

Hydroturbine Intake and Penstock Geometry Design
This paper studies the intake design of one hydroturbine site and the penstock trifurcation design of another site. A hydroturbine site had been built and was in operation when vortexing...

Index Testing?Relative Turbine Performance
The Index method of testing hydraulic turbines consists of making a test in which the value of power output and head are measured and in which the quantities of water and velocity head...

Interchangeable Runners Can Increase Energy Output
Interchangeable turbine runners can be used to increase energy generation at some hydroelectric power sites. Two different turbine runners can be designed for different design heads or...

The Design, Analysis and Manufacturing of Pickwick Landing Replacement Runners
This paper presents new computer automated techniques for the design, analysis and manufacture of Kaplan turbine blades. The inlet flow field was determined using the finite element program...

Design and Manufacture of Turbine Runner Blades Using CAD/CAM-Technology
Interactive blade design, fluid flow analysis, stress analysis and NC-matching of both model and prototype blades are working from a common data base and are demonstrated in this paper....

Computerized Engineering for the Hydraulic Design of Hydro-Turbine Stay Vanes
To design a turbine stay vane as an integral part of the spiral case/stay vane/wicket gate waterpassage, both the vane geometry and the gate/vane position must be developed and analyzed....

Open Flume Turbine Intake Geometry
An inexpensive physical hydraulic model was used to investigate the geometry of two different open flume turbine intakes. One intake utilized an inverted, fabricated pump bell type of...

Diffuser Performance for Draft Tube Applications
Available information on diffuser performance is summarized in relation to draft tube applications. This paper is particularly directed at the implications of basic research with these...

Analysis and Testing of Transient Pressures at Camp Far West Hydroelectric Project
The objective of this paper is to present a comparative discussion of the results of theoretical analysis of transient pressures and of field tests performed on the Camp Far West Hydroelectric...

Hydraulic Machines Model Acceptance Tests
The article begins with a description of the modern test installations, giving the dimensions of the models most frequently used and the head heights. Attention is then given to the most...

Electrical Design of Small Hydro Plants
Major aspects of electrical design criteria for small hydro power plants used in co-generation schemes are: turbine control, generator and excitation equipment selection, protection relaying,...

 

 

 

 

Return to search