Results 41 to 50 of about 629,295 (307)

UV curable hyperbranched polyester polyurethane acrylate for hydraulic machinery coating

, 2021
The content of river cement and sand in our country is relatively high, and the surface of hydraulic machinery in hydropower stations is often subject to fatigue damage and erosion. This topic is mainly used to solve the problem of abrasion and corrosion
Meng Yuan, Shuai Wang, G. Li, Su-qin He, Wentao Liu, Hao Liu, Miaoming Huang, Chengshen Zhu   +7 more
semanticscholar   +1 more source

Improvement in Light Output of Ultraviolet Light-Emitting Diodes with Patterned Double-Layer ITO by Laser Direct Writing

Nanomaterials, 2019
A patterned double-layer indium-tin oxide (ITO), including the first unpatterned ITO layer serving as current spreading and the second patterned ITO layer serving as light extracting, was applied to obtain uniform current spreading and high light ...
Jie Zhao, Xinghuo Ding, Jiahao Miao, Jinfeng Hu, Hui Wan, Shengjun Zhou   +5 more
doaj   +1 more source

Fault Diagnosis Method of the Construction Machinery Hydraulic System Based on Artificial Intelligence Dynamic Monitoring

Mobile Information Systems, 2021
This paper aims to study the fault diagnosis method of the mechanical hydraulic system based on artificial intelligence dynamic monitoring. According to the characteristics of functional principal component analysis (FPCA) and neural network in the fault
Xin Zhou, Xian-guo Lei
semanticscholar   +1 more source

Transient 3D CFD Simulation of a Pelton Turbine—A State-of-the-Art Approach for Pelton Development and Optimisation

International Journal of Turbomachinery, Propulsion and Power, 2023
The complex flow conditions in Pelton turbines make it challenging to gain detailed insight into the local flow processes. However, CFD methods offer vast potential for developing and optimising Pelton turbines due to these flow conditions.
Lukas Sandmaier, Peter Meusburger, Helmut Benigni   +2 more
doaj   +1 more source

Insights Into the Influence of Sidewall Morphology on the Light Extraction Efficiency of Mini-LEDs

IEEE Photonics Journal, 2019
We systemically investigated the influence of sidewall morphology change based on TMAH etching on the optical performance of mini-LEDs. The dominant feature of prism structures on the sidewall of mini-LEDs with TMAH etching treatment varied from ...
Bin Tang, Jiahao Miao, Yingce Liu, Shengjun Zhou, Haohao Xu, Hui Wan   +5 more
doaj   +1 more source

Numerical Investigation on the Influence of Class Number and Wavelength on the Performance of Curved Vane Demisters

Atmosphere, 2022
Curved vane demisters with high efficiency are widely used in power, chemical, and gas industries. To reveal the relationship between the separation performance and the basic geometric parameters used in the steam generator.
Zhen Cai, Pengfei Wang, Xiangyu Luo, Jin Huang, Zhenqi Qin, Jinna Mei, Wensheng Zhao   +6 more
doaj   +1 more source

Heat Transfer Characteristics and Prediction Model of Supercritical Carbon Dioxide (SC-CO2) in a Vertical Tube

Energies, 2017
Due to its distinct capability to improve the efficiency of shale gas production, supercritical carbon dioxide (SC-CO2) fracturing has attracted increased attention in recent years. Heat transfer occurs in the transportation and fracture processes.
Can Cai, Xiaochuan Wang, Shaohua Mao, Yong Kang, Yiyuan Lu, Xiangdong Han, Wenchuan Liu   +6 more
doaj   +1 more source

Dynamic Analyses of the Hydro-Turbine Generator Shafting System Considering the Hydraulic Instability

Energies, 2018
Hydraulic instability is a complex factor causing the vibration of hydro-turbine generator shafting system (HGSS), and the mechanism is the uneven distribution of flow along the circumference.
Keyun Zhuang, Chaodan Gao, Ze Li, Donglin Yan, Xiangqian Fu   +4 more
doaj   +1 more source

Efficiency Analysis of Pump-controlled Motor System of Hydraulic Machinery Continuously Variable Transmission for Agricultural Machinery

MATEC Web of Conferences, 2020
In order to improve the efficiency of Hydraulic Machinery Continuously Variable Transmission (HMCVT), studying the efficiency of its pump-controlled motor system is of great significance to promote the practical application of HMCVT in agricultural ...
Mingxi Bao, Xiangdong Ni, Shiwei Kang
semanticscholar   +1 more source

Effect of agricultural machinery on physical and hydraulic properties of agricultural soils

, 2021
The study assessed effect of farm machinery on both physical and hydraulic properties of agricultural soils used for rice cultivation in northern Ghana.
F. K. Abagale
semanticscholar   +1 more source