Application of LISST instrument for suspended sediment and erosive wear prediction in run-of-river hydropower plants

2018 ◽  
Author(s):  
E. A. Azrulhisham ◽  
M. Arif Azri
Keyword(s):  
Suspended Sediment ◽  
Erosive Wear ◽  
Wear Prediction ◽  
Hydropower Plants ◽  
Run Of River

Effects of run‐of‐river hydropower plants on fish communities in montane stream ecosystems in Serbia

2021 ◽  
Author(s):  
Predrag Simonović ◽  
Ratko Ristić ◽  
Vukašin Milčanović ◽  
Siniša Polovina ◽  
Ivan Malušević ◽  
...  
Keyword(s):  
Fish Communities ◽  
Stream Ecosystems ◽  
Hydropower Plants ◽  
Run Of River

Flow regime aspects in determining environmental flows and maximising energy production at run-of-river hydropower plants

2019 ◽  
Vol 256 ◽  
pp. 113980 ◽  
Author(s):  
Alban Kuriqi ◽  
António N. Pinheiro ◽  
Alvaro Sordo-Ward ◽  
Luis Garrote
Keyword(s):  
Flow Regime ◽  
Energy Production ◽  
Environmental Flows ◽  
Hydropower Plants ◽  
Run Of River

Determination of wear coefficients for erosive wear prediction through Coriolis wear testing

Wear ◽  
2005 ◽  
Vol 259 (1-6) ◽  
pp. 160-170 ◽  
Author(s):  
Harry H. Tian ◽  
Graeme R. Addie ◽  
Krishnan V. Pagalthivarthi
Keyword(s):  
Erosive Wear ◽  
Wear Testing ◽  
Wear Prediction

THE INFLUENCE OF OPERATION CONDITIONS OF HYDROELECTRIC POWER PLANTS THE CHOICE OF THE MAIN PARAMETERS OF THE SUCTION PIPES

2015 ◽  
Vol 5 (4) ◽  
pp. 86-92 ◽  
Author(s):  
Mikhail Ivanovich BALZANNIKOV
Keyword(s):  
Power Plants ◽  
Draft Tube ◽  
Operating Conditions ◽  
Hydroelectric Power Station ◽  
Geometrical Parameters ◽  
Hydroelectric Power ◽  
Operation Conditions ◽  
Hydropower Plants ◽  
Large Water ◽  
Run Of River

Considered run-of-river hydropower plants (HPP). Notes the importance of technical-economic calculations in the justifi cation of large water-conducting elements of the path these types of HPP. The methodology of economic substantiation of the expediency of increasing the length of the draft tube. Using the technique of the calculations for lowpressure hydroelectric run-of-river type. The results of the analysis of the influence of the operating conditions of the hydroelectric power station on basic geometrical parameters of draft tube.

scholarly journals Selection of Erosive Wear Rate Parameters of Pelton Turbine Buckets using PSI and TOPSIS Techniques

2019 ◽  
Vol 9 (1) ◽  
pp. 2418-2428
Keyword(s):  
Selection Index ◽  
Erosive Wear ◽  
Effective Parameters ◽  
Complex Issue ◽  
Pelton Turbine ◽  
Flow Parameters ◽  
Hydropower Plants ◽  
Silt Erosion ◽  
Optimal Set ◽  
Selection Of

Hydro turbine machineries erosion due to silt is a complex issue for the effective practice of hydropower plants. Erosion caused by silt of the Pelton turbine buckets is a compound phenomenon that depends on size of silt particles , silt particles concentration , velocity of jet , and working time . This paper deals with the influence of silt erosion for various silt loaded factors and effective parameters. The preference selection index (PSI) and technique for order of preference by similarity to ideal solution (TOPSIS) approaches has been adopted to find optimal set of parameters which offers the highest performance for the Pelton turbine. Based up on the results obtained from both PSI and TOPSIS approaches it is found that optimal performance has been provided by A-1 alternate with geometric and flow parameters as , , and respectively

scholarly journals Desilting Basin Efficiency Estimation for Run-of-River Small Hydropower Plants

2019 ◽  
Vol 8 (4) ◽  
pp. 6389-6394
Keyword(s):  
Suspended Sediment ◽  
Suspended Sediment Concentration ◽  
Probabilistic Approach ◽  
Sediment Concentration ◽  
Operational Reliability ◽  
Maintenance Cost ◽  
Mathematical Function ◽  
Small Hydropower ◽  
The Impact ◽  
Run Of River

Suspended sediment concentration and discharge are important factors affecting the operational reliability of run-of-river small hydro power (SHP) plants. Elimination of sediment transported with the flow across the turbines of run-of-river plants is therefore a critical issue for the sustainability of the SHP industry. Comprise of a small diversion weir throughout a stream, the SHP plants does not have space to pile sediments but should be able to divert the incoming bed loads to the river downstream. Sediments in the water entering through the turbines with extreme velocity erode the contact surfaces of turbine mechanisms which results in reduced hydraulic efficiency and increased maintenance cost. Subsequently, desilting basins have become an essential part of the water conductor system of run-of-river SHP to reduce the impact of damage due to suspended sediment. Desilting basins are devised as settling basins to settle sediments larger than a targeted size. They are constructed just after power intake and discharge is despatched through them before pass into the head race tunnel. This study is aimed to estimate the sediment removal efficiency of SHP desilting basins based on data recorded at the intake of a run-of-river SHP. Considering the hydrological variability, probabilistic approach was used to obtain mathematical function for the probability density of suspended sediment concentration (SSC) based on the recorded data.

scholarly journals Design and Optimization of a Turbine Intake Structure

10.14311/720 ◽  
2005 ◽  
Vol 45 (3) ◽  
Author(s):  
P. Fošumpaur ◽  
F. Čihák
Keyword(s):  
Power Plant ◽  
Optimal Design ◽  
Plant Location ◽  
Hydropower Plant ◽  
Total Efficiency ◽  
Design And Optimization ◽  
Hydropower Plants ◽  
Intake Structure ◽  
Run Of River

The appropriate design of the turbine intake structure of a hydropower plant is based on assumptions about its suitable function, and the design will increase the total efficiency of operation. This paper deals with optimal design of the turbine structure of run-of-river hydropower plants. The study focuses mainly on optimization of the hydropower plant location with respect to the original river banks, and on the optimal design of a separating pier between the weir and the power plant. The optimal design of the turbine intake was determined with the use of 2-D mathematical modelling. A case study is performed for the optimal design of a turbine intake structure on the Nemen river in Belarus. 

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