Fengli generator blades

Steady Output Triboelectric-Electromagnetic Hybrid Generator

In recent years, the triboelectric-electromagnetic hybrid generator (TEHG) has been widely studied. However, the problems of unsteady output and high starting wind speed of traditional TEHG in the wind energy environment have not been effectively solved. This work introduces an innovative solution in the form of a steady output triboelectric-electromagnetic hybrid generator

Vortex Generators for Wind Turbine Blades: A Combined

Size increase of wind turbines results in higher structural vibrations that reduce the lifetime of the components (blades, main shaft, bearings, generator, gearbox, etc.) and might lead to failure

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Analysis of the pyrolysis process, kinetics and products of the

In the future, wind turbine blade waste will increase significantly. However, there is no proper treatment plan for this condition. Pyrolysis is one of the most feasible methods for recycling waste wind turbine blades. In this paper, the thermal degradation behaviors of epoxy resin mixed with carbon fiber applied in wind turbine blade base components were studied by thermogravimetric

Researches on vortex generators applied to wind turbines: A review

Wind energy technologies have been developed to accommodate much higher rated capacities and equipment have grown in size to match. The latest reports show HAWT blades exceeding 100 m in size (Giant Haliade, 2019).Thick airfoils are normally adopted at the inboard section of a large-size blade for structural safety, where airflow separation readily

Jiangsu Fengli Machinery Technology Co., Ltd.

Jiangsu Fengli Machinery Technology Co., Ltd. is a comprehensive company specialized in the development, production and sales of sheet metal equipment. The company has successfully

A novel damage identification method for flue gas turbine blades

Tip timing signal analysis has been applied to the online condition monitoring of high-speed blades. However, traditional tip timing analysis methods are not suitable for low-speed flue gas

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Practice articleA novel damage identification method for flue gas

First, the FGT blade model is processed through the flow-heat-solid three-field coupling. The blade is made of GH738 nickel-based superalloy, and the relevant parameters

Enhanced Wind Energy Harvesting Performance of Triboelectric

This study proposes a bionic-blade speed matched triboelectric-electromagnetic hybrid generator (BSM-TEHG) to address this challenge. The BSM-TEHG uses a wind-speed matching mechanism to optimize the performance of different power generation units, while the bionic blade, inspired by humpback whale fins, enhances wind energy capture.

Numerical analysis of the effects of vortex generators attached to

Vortex generators (VGs) have been proposed as an alternative to the power loss caused by wind turbine blade surface contamination. However, quantitative data on the effects of VGs on blade fatigue load are limited. In this study, the contamination conditions for blade tip airfoil and changes in power and fatigue load in the presence of VGs were analyzed using

Generator Blades

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Prediction of wind turbine blades icing based on feature Selection

The ReliefF and one-dimensional convolution and stacked bidirectional Gated Recurrent Unit (1D-CNN-SBiGRU) is proposed and applied to wind turbine blade icing prediction and the Weighted Accuracy (WA) index is proposed to evaluate the proposed method. Wind turbine blades icing detection has the very practical effect for ensuring the safety, reliability,

(PDF) Wind turbine condition monitoring: Technical

in Figure 6 where generator-bearing temperature fluctuations clearly correspond to generator power fluctuations. Figure 3. Outline of a typical vibration-based wind turbine condition monitoring

Fengli Zhang''s research works | China University of Petroleum,

Fengli Zhang''s 25 research works with 747 citations and 6,448 reads, including: A novel damage identification method for flue gas turbine blades based on tip timing

Lianhui Li; Shouwei Gao; Mingming Hao; Xianqing Yang; Sijia

We show that the generator maintains sustained performances in a wide range of ion concentrations over 10 orders of magnitude. Moreover, the flexible generator exhibits excellent mechanical stability, and can be scaled-up, as evidenced by the output of ~101.07 V by the integration of 100 power generators (seawater, 21 C, 55% RH).

Diagnosis of wind turbine faults with transfer learning algorithms

The two failure modes above are both important for WT safety. The blade icing accretion will affect the blades aerodynamics that not only degrades turbine''s operational performance but also lead to turbine''s control chaotic and possible further damage. Gear cog belt fracture would disable the pitch system and then bring risk to a WT.

‪Huihua FENG （）‬

A fast response free-piston engine generator numerical model for control applications. B Jia, A Smallbone, H Feng, G Tian, Z Zuo, AP Roskilly. Applied energy 162, 321-329, 2016. 80: 2016: Effect of closed-loop controlled resonance based mechanism to start free piston engine generator: Simulation and test results.

Recycled wind turbine blades as a feedstock for second

The blade is used whole or sectioned into parts and repurposed for other products such as parts of temporary or inexpensive housing, office and home furniture, benches and playgrounds, pedestrian

Aerogen Aftermarket Replacement Hub & Blade Set

New, aftermarket replacement hub and blade set for the Aerogen family of wind generators from LVM. These come with 6 red glass-reinforced nylon blades, adjustable pitch, suited to the Aerogen wind turbine. Images shown are for the AERO6GEN (LVM 6) kit. Blades for the AERO3GEN (LVM 3) and AERO4GEN (LVM 4) are wider and shorter than those pictured. The

Multiaxial fatigue life prediction for turbine blades using finite

The High-Pressure (HP) turbine blade of aero-engine is subjected to high temperature and high pressure, whose life is mainly governed by the fatigue. In order to model the working condition and obtain the critical area, the Finite Element Analysis (FEA) software ANSYS is typically used as a mathematical tool to solve the problems.

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"wind generator blade" 3D Models to Print

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DIY Wind Turbine: Crafting Your Blades For Best Results

Longer blades sweep a larger area, capturing more energy. However, for residential turbines, there''s a balance to be struck. Blades that are too long may pose practical challenges and safety concerns. Typically, residential wind turbine blades range from 1 to 3 meters in length, providing a harmonious blend of efficiency and manageability. b.

Sustainable transformation of end-of-life wind turbine blades

A wind power system is typically equipped with three blades, of which the length and mass increase with greater turbine capacity. (Liu and Barlow, 2017) analyzed over 50 types of blades from various WT manufacturers to determine the average blade material requirement per unit rated power (Fig. 4 (a)). For small WTs (<1 MW), the average blade

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Wind Turbine Blades: The wind turbine has blades that are designed to capture the kinetic energy in the wind. As the wind blows, the blades are rotated by the force of the wind. Rotor: The blades are connected to a rotor, which is the main shaft of the wind turbine. The rotor is spinning at a constant speed, and it''s connected to a generator.

A cooled turbine blade design and optimization method

This study introduces a multidisciplinary design methodology tailored for enhancing the performance of cooled turbine blades by amalgamating thermal and aerodynamic calculation modules.

Researches on vortex generators applied to wind turbines: A review

The aerodynamic performance of newly planned as well as existing wind turbines can be improved by eliminating stall. Vortex generators (VGs) can effectively delay air separation occurring on the inboard-section of the wind turbine blade. Many scholars have investigated the principle of VGs in terms of flow control and validated their ability to enhance efficiency.

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Rotor Blade Structure

The rotor blade is the key component of a wind turbine generator (WTG) and converts the energy of the wind into a mechanically useful form of energy. It represents a significant cost factor in the overall context of the turbine and at the same time has an enormous...

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A chemical signal generator for resolving temporal dynamics of single cells. Sun Jian, Wang Jingjing, Chen Pu, Feng Xiaojun, Du Wei, Liu Bi-Feng. Analytical And Bioanalytical Chemistry, 2011 . Development of a microfluidic cell-based biosensor integrating a millisecond chemical pulse generator. Sun Jian, Chen Pu, Feng Xiaojun, Du Wei, Liu Bi-Feng

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Failure analysis of generator rotor fan blades | Request PDF

The failure analysis of a generator rotor fan blade was investigated by mechanical analysis and metallurgical examination of fracture surface.