Results 51 to 60 of about 1,855 (186)

Wind Turbine Control for Spatially Varying Turbulence

Wind Energy, Volume 29, Issue 8, August 2026.
ABSTRACT This study investigates the influence of inflow turbulence generation simulation methods and blade pitch control strategies on the performance and blade structure loading of a large offshore wind turbine. Two inflow representations were considered: synthetic Kaimal turbulence generated in accordance with IEC design standards and large‐eddy ...
Hannah Mullings, Mina Ghobrial, Wenjun Ye, Yi Zhang, David Apsley, Peter Stansby   +5 more
wiley   +1 more source

Investigation of the Design and Application for the Two Element Airfoil of Medium Altitude Long Endurance UAV

Hangkong gongcheng jinzhan, 2019
According to the design requirements related to high endurance factor, short take-off and landing, deforming resistance of medium altitude long endurance(MALE)UAV, the investigation of the design methodology on multi-constraint of the two-element airfoil
Li Jianhua, Li Feng, Li Maoqiang, Bao Xiaoxiang   +3 more
doaj   +1 more source

Notes on Airfoil Design [PDF]

, 1995
This report deals with airfoil design. Although the statements presented are quite general, particular attention has been given to the design of two dimensional airfoil sections for wind turbine rotor blades. Airfoil target charateristics obtained in a previous study on optimization of a 22 m wind turbine rotor has been used.
Filippone, Antonino, Madsen, Helge Aagaard; id_orcid 0000-0002-4647-3706   +1 more
openaire  

Coastal Marine Carbon and Air‐Sea Fluxes Quantified From pH Sensors on an Extended AUV Deployment

Journal of Geophysical Research: Oceans, Volume 131, Issue 8, August 2026.
Abstract For the first time, the Autosub Long Range (ALR) completed a fully autonomous, long‐distance (2,000 km) scientific mission, delivering new insight into coastal carbonate dynamics and air‐sea CO2 ${\text{CO}}_{2}$ fluxes. Equipped with a suite of oceanographic sensors, including a Lab‐on‐Chip (LOC) pH sensor and a Sea‐Bird SeaFET pH sensor, the
Emily M. Hammermeister, Cathy Wimart‐Rousseau, Stathys Papadimitriou, Pablo Trucco‐Pignata, Edward Chaney, Robert Templeton, Alexander B. Phillips, Socratis Loucaides   +7 more
wiley   +1 more source

No Charging but Protection: Lifetime Prolongation of Spontaneously‐polarized Electrets for Energy Harvesting Applications

ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 4, July 2026.
A bilayer protection approach is proposed for slowing down the surface potential decay of thin films of spontaneously‐polarized electret materials. The electret and the protective films are characterized, and the protection effectiveness is investigated under the effects of light illumination, water contact and mechanical impact.
Seyedali Sabzpoushan, Henry Juncker, Peter Woias   +2 more
wiley   +1 more source

Design and Numerical Evaluation of Trailing Edge Deflection Distance-Based Morphing Wing

Eng
This project’s focus is to create a morphing wing with variable geometry that will improve aerodynamic performance. The NACA 0018 airfoil, known for its stable aerodynamic characteristics and symmetrical shape, is chosen as a base airfoil for ...
Periyasamy Sivanandi, Nathish Sanjay, Senthilkumar Chidambaram, Suresh Varatharaj   +3 more
doaj   +1 more source

Blade Count and Rotational Speed Sensitivity of Vertical‐Axis Turbines Under Guided Vehicle‐Generated Transient Wakes

Energy Science &Engineering, Volume 14, Issue 7, Page 3324-3345, July 2026.
Passing vehicles generate short‐duration wakes that can be redirected toward a vertical‐axis turbine. The interaction between wake structure, blade count, and rotational speed governs transient torque production. Low‐solidity configurations combined with tuned rotational speed enhance energy extraction under vehicle‐induced gusts.
Aydin Ulus, Stefan Ilie Moldovan
wiley   +1 more source

Effects of airfoil geometry on high-speed aerodynamic characteristics of high-pressure capturing wing configuration

Kongqi donglixue xuebao
The aerodynamic performance of the high-pressure capturing wing (HCW), a novel aerodynamic configuration with significant promise for high-speed aircraft, primarily depends on its geometry and positioning.
Fengyi Wang, Siyuan Chang, Yao Xiao, Guangli Li, Zhongwei Tian, Kai Cui   +5 more
doaj   +1 more source

Efficient Harvesting of Irregular and Low‐Frequency Mechanical Energy via Hybridized Electromagnetic‐Triboelectric Systems

Small, Volume 22, Issue 39, 13 July 2026.
ABSTRACT The rapid expansion of the Internet of Things (IoT) and wearable electronics necessitates sustainable power sources to replace the limited electrochemical battery. While mechanical energy harvesting offers a promising solution, traditional harvesters face challenges of irregular and low−frequency environmental sources. This review presents the
Yongbin Han, Ju‐Hyuck Lee, Hong‐Joon Yoon   +2 more
wiley   +1 more source

Assessing the Underwater Impact of Aerodynamic Noise From Offshore Wind Turbines

Wind Energy, Volume 29, Issue 7, July 2026.
ABSTRACT The growing demand for offshore wind energy has led to a significant increase in wind turbine size and to the development of large‐scale wind farms, often comprising 100–150 turbines. However, the environmental impact of underwater noise emissions remains largely unaddressed.
Laura Botero‐Bolívar, Oscar A. Marino Sánchez, Martín de Frutos, Esteban Ferrer   +3 more
wiley   +1 more source