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105 Results Found

  • Article
  • Open Access
3 Citations
1,855 Views
22 Pages

10 July 2023

Climate change and land-use change are making landscape fires worse, causing them to grow in intensity and spread in range across Earth’s ecosystems. Extreme landscape fires can be devastating to people, ecosystems, and sociology. However, most...

  • Article
  • Open Access
11 Citations
3,084 Views
19 Pages

Effect of Wind Direction and Velocity on PV Panels Cooling with Perforated Heat Sinks

  • Sebastian Valeriu Hudișteanu,
  • Florin Emilian Țurcanu,
  • Nelu-Cristian Cherecheș,
  • Cătălin-George Popovici,
  • Marina Verdeș,
  • Diana-Ana Ancaș and
  • Iuliana Hudișteanu

26 September 2022

The numerical modeling of the effect of wind direction and velocity over the air cooling of PV panels with heat sinks is realized. During the study, a random PV panel with typical characteristics was analyzed for three different wind directions&mdash...

  • Article
  • Open Access
2 Citations
2,280 Views
38 Pages

5 June 2023

Due to its maneuverability and agility, the shipborne high-frequency surface wave radar (HFSWR) provides a new way of monitoring large-area marine dynamics and environment information. However, wind direction ambiguity is problematic when using monos...

  • Article
  • Open Access
10 Citations
3,031 Views
16 Pages

26 June 2019

The extensive use of wind power can not only reduce dependence on fossil fuels, but also reduce emissions of polluted gases. However, large-scale wind power curtailments often occur in northeast China during the heat supply season, due to the fact th...

  • Article
  • Open Access
6 Citations
3,071 Views
23 Pages

3 July 2018

The paper presents an overview of the traditional methods to obtain wind parameters such as wind speed, wind direction and air density. After analyzing wind turbines’ arrangements and communication characteristics and the correlation of operati...

  • Article
  • Open Access
10 Citations
2,832 Views
19 Pages

24 January 2023

Digital twin is the development trend of concrete pump trucks to realize digitalization and intellectualization. The realization of digital twin requires high calculation efficiency and accuracy of the model. As the concrete pump truck works under th...

  • Article
  • Open Access
10 Citations
3,075 Views
23 Pages

A Numerical Study of the Effect of Vegetative Windbreak on Wind Erosion over Complex Terrain

  • Hao Li,
  • Zengfeng Yan,
  • Zhengmo Zhang,
  • Jiachen Lang and
  • Xudong Wang

7 July 2022

Wind erosion is a typical issue for stone carvings in northwest China caves, and windbreaks such as shelterbelts have proven to be effective in mitigating wind erosion. This study has the main purpose of examining the effect of shelterbelts on allevi...

  • Article
  • Open Access
18 Citations
2,208 Views
29 Pages

Optimizing UAV Path Planning in Maritime Emergency Transportation: A Novel Multi-Strategy White Shark Optimizer

  • Fahui Miao,
  • Hangyu Li,
  • Guanjie Yan,
  • Xiaojun Mei,
  • Zhongdai Wu,
  • Wei Zhao,
  • Tao Liu and
  • Hao Zhang

Maritime UAV path planning is a key link in realizing the intelligence of maritime emergency transportation, providing key support for fast and flexible maritime accident disposal and emergency material supply. However, most of the current UAV path p...

  • Article
  • Open Access
3 Citations
2,075 Views
17 Pages

Characteristics and Driving Mechanisms of Coastal Wind Speed during the Typhoon Season: A Case Study of Typhoon Lekima

  • Lingzi Wang,
  • Aodi Fu,
  • Bashar Bashir,
  • Jinjun Gu,
  • Haibo Sheng,
  • Liyuan Deng,
  • Weisi Deng and
  • Karam Alsafadi

24 July 2024

The development and utilization of wind energy is of great significance to the sustainable development of China’s economy and the realization of the “dual carbon” goal. Under typhoon conditions, the randomness and volatility of wind...

  • Feature Paper
  • Article
  • Open Access
13 Citations
7,315 Views
17 Pages

14 December 2022

Savonius vertical axis wind turbines have simple structures, can self-start in environments with low wind speed and strong turbulence intensity, and can be installed at low costs. Therefore, installation is possible in urban centers with low wind spe...

  • Article
  • Open Access
1 Citations
3,374 Views
33 Pages

7 June 2024

A complete framework of predicting the attributes of sea clutter under different operational conditions, specified by wind speed, wind direction, grazing angle, and polarization, is proposed for the first time. This framework is composed of empirical...

  • Article
  • Open Access
927 Views
35 Pages

14 April 2025

Direct air-cooling systems use air instead of water as a cooling medium, so they are easily affected by meteorological and hydrological conditions. In this paper, considering the complex geographic conditions around the direct air-cooling units, Gamb...

  • Article
  • Open Access
5 Citations
3,417 Views
14 Pages

16 August 2017

To support doubly fed wind turbine (DFWT) groups in offshore wind farms, this paper proposes a distributed coordinated control based on the Hamiltonian energy theory. This strategy provides global stability to closed-loop systems and facilitates outp...

  • Article
  • Open Access
15 Citations
5,578 Views
24 Pages

30 August 2023

In Poland, hydrogen production should be carried out using renewable energy sources, particularly wind energy (as this is the most efficient zero-emission technology available). According to hydrogen demand in Poland and to ensure stability as well a...

  • Review
  • Open Access
45 Citations
21,479 Views
35 Pages

Analysis of Wind Turbine Equipment Failure and Intelligent Operation and Maintenance Research

  • Han Peng,
  • Songyin Li,
  • Linjian Shangguan,
  • Yisa Fan and
  • Hai Zhang

20 May 2023

Power generation from wind farms is growing rapidly around the world. In the past decade, wind energy has played an important role in contributing to sustainable development. However, wind turbines are extremely susceptible to component damage under...

  • Article
  • Open Access
7 Citations
3,353 Views
23 Pages

23 September 2021

This paper presents the design of a hybrid excited flux switching Vernier machine. This machine is designed to serve in renewable energy conversion applications, such as a wind turbine generator, or tidal turbine generator. After introducing this ori...

  • Article
  • Open Access
14 Citations
5,697 Views
18 Pages

This paper proposes a single stage alternating current/direct current (AC/DC) flyback converter which contains three output windings with synchronous rectification (SR) function to achieve better cross-regulation and efficiency. Because the three out...

  • Article
  • Open Access
2,209 Views
16 Pages

Wind Field Digital Twins Sandbox System for Transmission Towers

  • Chenshuo Zhang,
  • Yunpeng Li,
  • Chun Feng and
  • Yiming Zhang

24 October 2023

Given the digitalization trends within the field of engineering, we propose a practical approach to engineering digitization. This method is established based on a physical sandbox model, camera equipment and simulation technology. We propose an imag...

  • Article
  • Open Access
3 Citations
2,436 Views
13 Pages

A New Algorithm on Automatic Trimming for Helicopter Rotor Aerodynamic Loads

  • Xinfan Yin,
  • Hongxu Ma,
  • Xianmin Peng,
  • Guichuan Zhang,
  • Honglei An and
  • Liangquan Wang

7 February 2023

In order to simulate the flight state of the helicopter effectively, it is necessary to trim the helicopter during the forward flight in a wind tunnel test. Previously, due to the lack of an internal-control closed loop in the test rig, the helicopte...

  • Feature Paper
  • Article
  • Open Access
19 Citations
7,384 Views
15 Pages

Analysis of Wind Effect on Drone Relay Communications

  • Yuya Tajima,
  • Takefumi Hiraguri,
  • Takahiro Matsuda,
  • Tetsuro Imai,
  • Jiro Hirokawa,
  • Hiroyuki Shimizu,
  • Tomotaka Kimura and
  • Kazuki Maruta

7 March 2023

In this study, we realized a relay network using drones and analyzed the impact of the sway angle of a drone’s attitude on communication in a windy flight environment. Drones in flight act as radio relay stations and communication among them is perfo...

  • Article
  • Open Access
14 Citations
6,137 Views
23 Pages

The full exploitation of offshore wind resources can essentially satisfy the massive energy demand. The realization and application of ultra-high-power offshore wind turbines are crucial to achieving full use of deep-sea wind energy and reducing the...

  • Review
  • Open Access
65 Citations
17,731 Views
33 Pages

A Review of Research on Wind Turbine Bearings’ Failure Analysis and Fault Diagnosis

  • Han Peng,
  • Hai Zhang,
  • Yisa Fan,
  • Linjian Shangguan and
  • Yang Yang

31 December 2022

Bearings are crucial components that decide whether or not a wind turbine can work smoothly and that have a significant impact on the transmission efficiency and stability of the entire wind turbine’s life. However, wind power equipment operate...

  • Article
  • Open Access
10 Citations
2,102 Views
21 Pages

16 September 2022

Increasing systematic carbon sinks and clean energy generation proportion are the main ways to reduce the carbon emission of power system. In order to promote wind power accommodation and reduce system carbon emissions, a cooperative operation model...

  • Article
  • Open Access
11 Citations
6,672 Views
17 Pages

2 November 2016

This paper proposes a five-degree-of-freedom (5-DOF) hybrid magnetic bearing (HMB) for direct-drive wind turbines, which can realize suspension in the 4-DOF radial and 1-DOF axial directions. Only two sets of radial control windings are employed in t...

  • Article
  • Open Access
24 Citations
4,315 Views
24 Pages

Reliability and Economic Evaluation of Offshore Wind Power DC Collection Systems

  • Ruijuan Sun,
  • Gayan Abeynayake,
  • Jun Liang and
  • Kewen Wang

18 May 2021

One key directive to realize the global transition towards net-zero emission goals is to integrate more renewable energy resources into the generation mix. Due to higher and more consistent wind speeds, offshore wind farms (OWFs) have the potential t...

  • Review
  • Open Access
7 Citations
2,816 Views
34 Pages

2 July 2022

Wind power utilization is attracting worldwide attention in the renewable energy field, and as wind power develops from land to sea, the size of the blades is becoming incredibly larger. The fatigue test, especially the biaxial synchronous fatigue te...

  • Article
  • Open Access
2 Citations
1,344 Views
14 Pages

23 April 2024

Motors serve as the primary power sources in a wide range of industrial fields. In recent years, their application has been expanded to electric and hybrid electric vehicles. As the performance of the motors installed in electric vehicles directly af...

  • Article
  • Open Access
4 Citations
2,230 Views
15 Pages

23 January 2020

When the power source of a voltage source converter (VSC) station at the sending end solely depends on wind power generation, the station is operating in an islanding mode. In this case, the power fluctuation of the wind power will be entirely transm...

  • Article
  • Open Access
2 Citations
2,232 Views
16 Pages

25 November 2020

In the view of the high complexity and a large amount of data of the electromagnetic transient model for the single wind generator, it is difficult to realize the multi-unit simulation modeling of large-scale wind farms by power system simulation sof...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,378 Views
16 Pages

21 March 2018

This paper proposes a new DC coil free hybrid excited machine concept, which has no external field windings. The technical novelty is the integration of field windings and armature windings. DC bias current is injected into the excitation and the fie...

  • Article
  • Open Access
14 Citations
3,827 Views
22 Pages

5 March 2020

Based on computational fluid dynamics (CFD) and Realizable k-ε turbulence model, we established a numerical simulation method for wind and vapor-concentration fields of various external floating-roof tanks (EFRTs) (single, two, and four) and...

  • Article
  • Open Access
15 Citations
4,106 Views
18 Pages

Multidimensional Vibration Suppression Method with Piezoelectric Control for Wind Tunnel Models

  • Mengde Zhou,
  • Wei Liu,
  • Linlin Tang,
  • Zhuang Yao,
  • Zhengquan Wen,
  • Bing Liang and
  • Zhenyuan Jia

16 September 2019

In wind tunnel tests, the low-frequency and large-amplitude vibration of the cantilever sting result in poor test data in pitch plane and yaw plane, more seriously, even threatens the safety of wind tunnel tests. To ensure the test data quality, a mu...

  • Article
  • Open Access
5 Citations
5,704 Views
17 Pages

18 May 2016

At present, because of their advantages of simple structure, low cost, low power consumption and high efficiency, single winding bearingless permanent magnet synchronous motors (SBPMSMs) have become one of the research hotspots in the bearingless tec...

  • Article
  • Open Access
4 Citations
3,082 Views
24 Pages

A Four Dimensional Variational Data Assimilation Framework for Wind Energy Potential Estimation

  • Elias D. Nino-Ruiz,
  • Juan C. Calabria-Sarmiento,
  • Luis G. Guzman-Reyes and
  • Alvin Henao

5 February 2020

In this paper, we propose a Four-Dimensional Variational (4D-Var) data assimilation framework for wind energy potential estimation. The framework is defined as follows: we choose a numerical model which can provide forecasts of wind speeds then, an e...

  • Article
  • Open Access
4 Citations
7,206 Views
14 Pages

27 October 2021

Vernacular and traditional Iranian architecture has always acted rationally, harmoniously, and climate-friendly to meet the needs of the people in dealing with the environment. In addition, without harming the environment, they have achieved the best...

  • Article
  • Open Access
4 Citations
3,279 Views
22 Pages

20 December 2021

In recent years, cross-platform co-simulation has become an important development direction of the real-time simulation of power systems. Model segmentation is at the core of the realization of cross-platform joint simulation and parallel real-time s...

  • Article
  • Open Access
14 Citations
3,789 Views
12 Pages

30 October 2018

An efficient and reliable exploitation of small horizontal-axis wind turbines (HAWT) is a complex task: these kinds of devices actually modulate strongly variable loads with rotational speeds of the order of hundreds of revolutions per minute. The co...

  • Article
  • Open Access
19 Citations
4,058 Views
19 Pages

Novel Switching Frequency FCS-MPC of PMSG for Grid-Connected Wind Energy Conversion System with Coordinated Low Voltage Ride Through

  • Asmaa A. Ghany,
  • E. G. Shehata,
  • Abo-Hashima M. Elsayed,
  • Yahia S. Mohamed,
  • Hassan Haes Alhelou,
  • Pierluigi Siano and
  • Ahmed A. Zaki Diab

19 February 2021

The integration of wind energy systems (WECS) into the power grid through power electronic converters should ensure the high performance of the control system. In spite of several advantages of conventional Finite control set-model predictive control...

  • Article
  • Open Access
1 Citations
1,743 Views
10 Pages

Direct Observation of Short Large-Amplitude Magnetic Field Structures from Formation to Destruction

  • Shi-Chen Bai,
  • Quanqi Shi,
  • Ruilong Guo,
  • Alexander W. Degeling,
  • Hui Zhang,
  • Anmin Tian and
  • Yude Bu

Short large-amplitude magnetic field structures (SLAMSs) are often seen upstream of quasi-parallel shocks. They play vital roles near the quasi-parallel shock, such as decelerating solar wind ions and contributing to the dissipation and reformation o...

  • Article
  • Open Access
4 Citations
3,137 Views
21 Pages

5 November 2019

With the increasing scale of offshore wind power, large-capacity and long-distance offshore wind power will be a trend in the future development of wind power. However, compared with onshore wind power transmission, offshore wind power transmission i...

  • Article
  • Open Access
4 Citations
1,420 Views
20 Pages

12 July 2024

This paper presents an interior permanent magnet eddy current heater (IPMECH) that can be driven by wind turbine, which can realize the direct conversion of wind energy to thermal energy. A power analysis method for the IPMECH is proposed. The key to...

  • Article
  • Open Access
5 Citations
2,118 Views
22 Pages

6 March 2024

The growing integration of renewable energy sources, especially offshore wind (OSW), is introducing frequency stability challenges to electric power grids. This paper presents a novel hybrid deloading control strategy that enables modular multilevel...

  • Article
  • Open Access
5 Citations
2,177 Views
24 Pages

A Novel Wavelet Packet Transform-Fuzzy Pattern Recognition-Based Method for Leakage Fault Diagnosis of Sail Slewing Hydraulic System

  • Ranqi Ma,
  • Haoyang Zhao,
  • Kai Wang,
  • Rui Zhang,
  • Yu Hua,
  • Baoshen Jiang,
  • Xin Guo,
  • Zhang Ruan and
  • Lianzhong Huang

14 February 2023

When the wind direction changes, rotating the sail to keep it at the optimal angle of attack can effectively utilize offshore wind resources to improve the ship’s energy efficiency. The hydraulic system usually drives the slewing of the sail on...

  • Article
  • Open Access
68 Citations
14,322 Views
16 Pages

21 June 2019

Exploiting wind energy, which is a complex process in urban areas, requires turbines suitable for unfavorable weather conditions, in order to trap the wind from different directions; Savonius turbines are suitable for these conditions. In this paper,...

  • Article
  • Open Access
3 Citations
5,046 Views
25 Pages

A Novel Tripod Concept for Onshore Wind Turbine Towers

  • Charis J. Gantes,
  • Maria Villi Billi,
  • Mahmut Güldogan and
  • Semih Gül

13 September 2021

A wind turbine tower assembly is presented, consisting of a lower “tripod section” and an upper tubular steel section, aiming at enabling very tall hub heights for optimum exploitation of the wind potential. The foundation consists of sets of piles c...

  • Article
  • Open Access
2,268 Views
11 Pages

Detecting Smell/Gas-Source Direction Using Output Voltage Characteristics of a CMOS Smell Sensor

  • Yoshihiro Asada,
  • Kenichi Maeno,
  • Kenichi Hashizume,
  • Yusuke Yodo,
  • Toshihiko Noda,
  • Kazuaki Sawada and
  • Masahiro Akiyama

Various organisms, such as dogs and moths, can locate their prey and mates by sensing their smells. Following this manner, if an engineering device with the capability to detect a smell or gas source is realized, it can have a wide range of potential...

  • Article
  • Open Access
54 Citations
11,359 Views
24 Pages

PROPAGATOR: An Operational Cellular-Automata Based Wildfire Simulator

  • Andrea Trucchia,
  • Mirko D’Andrea,
  • Francesco Baghino,
  • Paolo Fiorucci,
  • Luca Ferraris,
  • Dario Negro,
  • Andrea Gollini and
  • Massimiliano Severino

6 July 2020

PROPAGATOR is a stochastic cellular automaton model for forest fire spread simulation, conceived as a rapid method for fire risk assessment. The model uses high-resolution information such as topography and vegetation cover considering different type...

  • Article
  • Open Access
89 Citations
8,751 Views
17 Pages

Artificial Neural Network Based Reinforcement Learning for Wind Turbine Yaw Control

  • Aitor Saenz-Aguirre,
  • Ekaitz Zulueta,
  • Unai Fernandez-Gamiz,
  • Javier Lozano and
  • Jose Manuel Lopez-Guede

30 January 2019

This paper introduces a novel data driven yaw control algorithm synthesis method based on Reinforcement Learning (RL) for a variable pitch variable speed wind turbine. Yaw control has not been extendedly studied in the literature; in fact, most of th...

  • Article
  • Open Access
1 Citations
749 Views
25 Pages

In wind tunnel tests for aerospace and bridge engineering, the accurate prediction of Mach number remains a core challenge to ensure the reliability of airflow dynamics characterization. Pure data-driven models often fail to meet high-precision predi...

  • Review
  • Open Access
37 Citations
12,195 Views
20 Pages

Review of Energy Management Systems in Microgrids

  • Süleyman Emre Eyimaya and
  • Necmi Altin

2 February 2024

Microgrids usually employ distributed energy resources such as wind turbines, solar photovoltaic modules, etc. When multiple distributed generation resources with different features are used in microgrids, managing these resources becomes an importan...

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