Results 111 to 120 of about 5,731 (237)

Ressource to wire modelling for tidal turbines

, 2013
This chapter presents ressource to wire modelling techniques for some complete tidal turbine systems. These models include ressource, turbine and electrical systems.
Benelghali, Seifeddine, Charpentier, Jean-Frederic, Benbouzid, Mohamed   +2 more
openaire   +3 more sources

Development of a contra-rotating tidal current turbine and analysis of performance

, 2007
A contra-rotating marine current turbine has a number of attractive features: nearzero reactive torque on the support structure, near-zero swirl in the wake, and high relative inter-rotor rotational speeds.
Clarke, Joseph Andrew, Connor, G., Johnstone, C. M., Grant, Andrew, Connor, Gary, Mackenzie, D., Mackenzie, Donald, Grant, A. D., Johnstone, Cameron, Clarke, J. A.   +9 more
core  

Tribological design constraints of marine renewable energy systems

, 2010
Against the backdrop of increasing energy demands, the threat of climate change and dwindling fuel reserves, finding reliable, diverse, sustainable/renewable, affordable energy resources has become a priority for many countries.
AbuBakr S. Bahaj, Martin Evans, Ling Wang, Turnock, Stephen R., Bahaj, Abubakr S., Stephen R. Turnock, Wood, Robert J. K., Bahaj, Abubakr S.,, Robert J. K. Wood, Wood, Robert J.K., Evans, Martin-Halfdan, Wang, Ling   +11 more
core   +1 more source

Maximum Torque Per Ampere Control Strategy of a 5-phase PM Generator in healthy and faulty modes for tidal marine turbine application [PDF]

, 2014
The work presented in this paper aims to propose a control strategy being able to extract efficiently energy from a fixed-pitch marine current turbine associated with a 5–phase Permanent Magnet Synchronous Generator (PMSG) in healthy mode and in faulty ...
CHARPENTIER, Jean-Frederic, NGUYEN, Ngac Ky, LETELLIER, Paul, Nguyen, Ngac-Ky, FALL, Ousmane   +4 more
core  

Evaluation of Free-Surface Exposure Effects on Tidal Turbine Performance Using CFD

Journal of Marine Science and Engineering
Tidal turbines represent a promising renewable energy source, generating power from ocean currents. However, due to tidal range variations, they sometimes become partially exposed to the free surface.
Gyeongseo Min, Wooseok Choi, Haechan Yun, Younguk Do, Kangmin Kim, Weichao Shi, Saishuai Dai, Daejeong Kim, Soonseok Song   +8 more
doaj   +1 more source

Influence of Fixed-Pitch Tidal Turbine Hydrodynamic Characteristic on the Generator Design [PDF]

, 2015
This paper deals with the global design of direct driven permanent magnet (PM) generator associated with fixedpitch turbine for tidal energy generation. A global design approach of the generator design is proposed which takes into account the tidal site ...
CHARPENTIER, Jean-Frederic, SCUILLER, Franck, BENBOUZID, Mohamed, DJEBARRI, Sofiane   +3 more
core  

Effects of Irregular Bathymetry on the Performance and Wake Characteristics of Tidal Stream Turbines: A Case Study of a Tidal Power Site

한국해양공학회지
Tidal energy has emerged as a promising renewable energy source, with abundant marine resources available in many parts of the world. To exploit this resource efficiently, reliable and computationally efficient methods are required to analyze energy ...
Ngome Mwero, Song Fu, Takafumi Inamitsu, Stephanie Ordonez-Sanchez, Benson Mwangi, Patxi Garcia-Novo, Cameron Johnstone, Daisaku Sakaguchi   +7 more
doaj   +1 more source

Influence of fish scale bionic structure on energy performance of a tidal current turbine

International Marine Energy Journal
The hydrodynamic performance of the tidal current turbine impeller is crucial for converting energy into electricity as it is considered the core component of the tidal current energy capture device.
XINGYU JIA, Yan Liu, Cui Wang, Wankun Wang, Yangping Lu, Lei TAN   +5 more
doaj   +1 more source

Contra-rotating marine current turbines : single point tethered floating system - stabilty and performance

, 2009
The Energy Systems Research Unit within the Department of Mechanical Engineering at the University of Strathclyde has developed a novel contra-rotating tidal turbine (CoRMaT). A series of tank and sea tests have led to the development and deployment of a
Clarke, Joseph Andrew, Grant, Andrew, Ordonez Sanchez, Stephanie, Connor, Gary, Johnstone, Cameron, Ordonez Sanchez, Stephanie Eugenia   +5 more
core  

Active control for tidal current turbine arrays [PDF]

The aim of this study is to propose an array controller to demonstrate its potential in reducing the costs of tidal current energy. Tidal power is a promising renewable energy source capable of meeting the UK’s electricity needs while addressing the ...
Zhang, Yidan
core   +1 more source