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Keywords: tip speed ratio
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1180
... and shifted to form a shiftedtroposkein shape VAWT. The results showed that the modified wind turbine could effectively improve the power coefficient at high tip speed ratios, and the material cost was saved by reducing the blade size and weight. Besides, the concept of V-shaped blades was recently proposed...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1145
... of different tip speed ratio (TSR) are compared. Results of two models show that for low TSR, the net power coefficient of the active blade pitch turbine obviously lower than power coefficient owing to high angular velocity; for high TSR, the difference between net power coefficient and power coefficients...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-280
... turbine wind velocity reynold power coefficient configuration optimization paraschivoiu turbine engineering machine learning artificial intelligence shaft tip speed ratio A Rapid Figure Selection of Darrieus Wind Turbine Based on DMST Model and CMA-ES Algorithm Yaoran Chen 1 ,Dai Zhou 1, 2...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-556
... maximum efficiency speed tip ratio efficiency wind speed ratio-torque efficiency characteristic maximum value tip speed ratio experiment maximum power wind energy renewable energy efficiency characteristic rotation speed torque efficiency wind turbine stationary vane Effect...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-444
... flow angle. The constants c1 = 0.125 and c2 = 21.0 were originally determined by curve fitting to experimental data from the NREL Phase VI rotor at a low tip speed ratio ( = 3.79) and the Swedish WG 500 rotor at a high tip speed ratio ( = 14.0). Due to the specific calibration of the empirical...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-182
... also provided by DNV GL. ipc lifetime cost capex wind energy controller energy reduction tip speed ratio bossanyi offshore wind wind speed artificial intelligence frequency load reduction variation wind turbine renewable energy reduction turbine support structure loading...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-095
... blade tip speed ratio reservoir surveillance production control flap angle slot location time-averaged power coefficient variation variation turbine blade tip speed ratio efficiency amplitude angle speed ratio flap coefficient variation full blade upstream oil & gas Flow Control...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-106
... in a circulating water channel and numerical simulations using a commercial computational fluid dynamics program, torque, angular velocity, power coefficient and tip speed ratio of the vertical axis tidal current turbine are obtained. Based on the results with the various conditions, the relationships between...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-099
..., drive the inner and the outer armature, respectively. social responsibility kanemoto tandem rotor applicable front wind rotor tip speed ratio tandem wind rotor wind rotor generator rear wind rotor flow condition simulation sustainability experiment sustainable development rotor...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-236
... on the far wake of horizontal axis tidal turbines in an effort to reduce complexity and avoid potentially excessive scale effects within laboratory tests. tip speed ratio production monitoring velocity profile scale effect bahaj experiment marine current turbine reservoir surveillance myer...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-426
... in the future is eminent. Tidal stream generation while still at its infancy looks promising to offer its share to meet this future demand. vamct solidity renewable energy marine current turbine yong chord length speed ratio rotor simulation time bypass mesh tip speed ratio vortex model...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-247
... turbine. These can take the form of a Wells turbine or impulse turbine and these were extensively reviewed by Setoguchi and Takao, 2006. This paper will introduce the use of a Savonius rotor into the oscillating water column as a possible alternative. tip speed ratio sustainability water column...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-372
... to strength and cavitation requirements are likely to restrict the design of such turbines to lower tip speed ratios than what is usually found in wind turbines. THEORY Lifting line model Consider the rotor of a horizontal axis turbine with radius R (diameter D ), with Z blades, placed in a fluid stream...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-071
... drive the inner and the outer armatures, respectively. tip speed ratio turbine generator tandem rotor applicable flat blade rear wind rotor wind turbine generator ahmed mohamed galal 2 speed ratio renewable energy wind farm toshiaki kanemoto 1 rotational torque intelligent wind...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-019
... velocity ocean energy chord length solidity rotational speed darrieus turbine tidal power generation power generation tip speed ratio torque efficiency experiment characteristic wind mill shiono maximum output renewable energy camber line turbine water turbine rotation 0 Proceedings...
Proceedings Papers

Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-015
... generation by the river flow with low head. characteristic generator darrieus type turbine shiono electrical engineering dept ocean energy experiment darrieus turbine kurushima strait north current tidal current rotation flow speed tip speed ratio power generation efficiency renewable...
Proceedings Papers

Paper presented at the The Fifth International Offshore and Polar Engineering Conference, June 11–16, 1995
Paper Number: ISOPE-I-95-057
.... Resource Assessment 2.1 Power Available from Moving Water Moving water carries kinetic energy. orkney bluemull sound generator rotor generate electricity wind turbine tidal current current speed turbine nacelle electricity gearbox shetland cable tip speed ratio stream speed...

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