Results 21 to 30 of about 15,761,319 (246)
CFD and Wind Tunnel Analysis for Mounted-Wind Turbine in a Tall Building for Power Generation
Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2014 A mounted wind turbine on the top of a tall building may provide high wind power in regions of high wind speed and low turbulence. The objective of this study is to evaluate wind speed on roof top models to optimize the wind turbine performance for power
Dany Perwita Sari, Kang-Pyo Cho
doaj +1 more source
Wind turbine control using PI pitch angle controller [PDF]
, 2012 This paper suggests two methods to calculate the gains of a proportional-Integral pitch angle controller for a 5 MW wind turbine. The first method is analytical and the second one is based on simulation. Firstly, the power coefficient characteristics for
Hwas, Abdulhamed Moh Suliman +1 more
core +3 more sources
Applied MechanicsThis study presents the fabrication of a Cr3C2-25NiCr/NiCr coating on Co3W3 steel utilizing high-velocity oxygen fuel (HVOF) spraying. The effects of the vacuum heat treatment process on the microstructures, mechanical properties, and wear mechanisms of ...
Jian Chen +9 more
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A Systemic Design Methodology of PM Generators for Fixed-Pitch Marine Current Turbines [PDF]
, 2014 This paper deals with the systemic design of permanent magnet (PM) generator associated with fixed-pitch turbine for tidal energy generation. The main problem with marine current turbines systems are the maintenance requirements of the drive-train. It is
CHARPENTIER, Jean-Frederic +8 more
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Response characteristics of ship steam power system under switchover of turbine feed water pump
Zhongguo Jianchuan Yanjiu[Objectives] The switching performance of turbine feed water pump is a key technical indicator to decide the operation stability of ship steam power system, and it is of great significance to the safety of navigation.[Methods] Using the Modular Modeling ...
Yang Yuanlong +4 more
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Frontiers in Energy ResearchConstraining the virtual inertia of variable-speed wind turbines within the variable frequency limit time will be the key to improving the wind power’s reliability in actively supporting the system frequency.
Gu Tingyun +6 more
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Bionic coupling design and aerodynamic analysis of horizontal axis wind turbine blades
Energy Science & Engineering, 2021 With millions of years of evolution, owls have developed many excellent characteristics in terms of their flight. The speed of an owl in flight is similar to the relative speed of the blade of a small wind turbine with respect to air.
Kun Chen +4 more
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Kouqiang hemian waike zazhi, 2023 [Objective:] To explore the application effect of a minimally invasive tooth extraction tool in the treatment of mandibular impacted third molar. [Methods:] Among the patients with mandibular impacted teeth admitted to our department of stomatology from ...
MI Dawei, ZHOU Bi, PENG Bo, YAN Xu
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Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source
Performance and Internal Flow of a Dental Air Turbine Handpiece
International Journal of Rotating Machinery, 2018 An air turbine handpiece is a dental abrasive device that rotates at high speed and uses compressed air as the driving force. It is characterized by its small size, light weight, and painless abrading due to its high-speed rotation, but its torque is ...
Yasuyuki Nishi +3 more
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