Results 51 to 60 of about 646,826 (245)

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

State of the Art on Two-Phase Non-Miscible Liquid/Gas Flow Transport Analysis in Radial Centrifugal Pumps Part C: CFD Approaches with Emphasis on Improved Models

International Journal of Turbomachinery, Propulsion and Power, 2023
Predicting pump performance and ensuring operational reliability under two-phase conditions is a major goal of three-dimensional (3D) computational fluid dynamics (CFD) analysis of liquid/gas radial centrifugal pump flows.
Markus Hundshagen, Romuald Skoda
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

Data-Driven Modal Decomposition Methods as Feature Detection Techniques for Flow Fields in Hydraulic Machinery: A Mini Review

Journal of Marine Science and Engineering
Cavitation is a quasi-periodic process, and its non-stationarity leads to increasingly complex flow field structures. On the other hand, characterizing the flow field with greater precision has become increasingly feasible.
Bin Xu, Liwen Zhang, Weibin Zhang, Yilin Deng, Teck Neng Wong   +4 more
semanticscholar   +1 more source

Development of a Comprehensive Driving Cycle for Construction Machinery Used for Energy Recovery System Evaluation: A Case Study of Medium Hydraulic Excavators

, 2021
Energy recovery and hybrid power technology are new directions in construction machinery energy-saving research. Thus far, however, no uniform standard method exists to evaluate the efficiency of novel energy-saving concept systems in early stages of ...
P. Hu, J. Zhu, J. Gong, Daqing Zhang, Changsheng Liu, Yuming Zhao, Yong-le Guo   +6 more
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

Robust Ruddlesden‐Popper phase Sr3Fe1.3Mo0.5Ni0.2O7‐δ decorated with in‐situ exsolved Ni nanoparticles as an efficient anode for hydrocarbon fueled solid oxide fuel cells

SusMat, 2022
A highly efficient Ruddlesden‐Popper structure anode material with a formula of Sr3Fe1.3Mo0.5Ni0.2O7‐δ (RP‐SFMN) has been developed for hydrocarbon fueled solid oxide fuel cells (HF‐SOFC) application.
Xiaoyu Zhang, Yawen Tong, Tong Liu, Dong Zhang, Na Yu, Jian Zhou, Yueqin Li, Xiang‐Kui Gu, Yao Wang   +8 more
doaj   +1 more source

Hydraulic Oil for Marine Machinery

Marine Engineering, 2019
Hiroyuki Sakurai
openaire   +3 more sources

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

Experimental Investigation of the Steady-State Flow Field with Particle Image Velocimetry on a Nozzle Check Valve and Its Dynamic Behaviour on the Pipeline System

Energies, 2022
In the present work, to investigate the hydraulic losses and safe operation of nozzle check valves in industrial piping systems, the static characteristics of the valve and its dynamic behavior in the pipeline system were studied using an experimental ...
Zhengbai Chang, Jin Jiang
doaj   +1 more source