Results 61 to 70 of about 646,826 (245)

Electrochemical Lithium Extraction with Gas Flushing of Porous Electrodes

Nanomaterials, 2023
Electrochemical extraction of lithium from seawater/brine is receiving more and more attention because of its environment-friendly and energy-saving features.
Shengyao Wang, Xuyu Yu, Xuejiao Hu
doaj   +1 more source

Experimental study and numerical analysis of biogas and energy production from sewage sludge [PDF]

E3S Web of Conferences
The research presented in this article refers to the possibility of obtaining biogas in the anaerobic digestion process from five wastewater treatment plants sludge from Constanta County.
Măcinic Magdalena-Elena, Boncescu Corina, Şerban Dana Andreya, Robescu Lăcrămioara Diana   +3 more
doaj   +1 more source

Engine Speed Reduction for Hydraulic Machinery Using Predictive Algorithms

International Journal of Hydromechatronics, 2019
This paper presents an analysis of the potential for engine speed reduction in hydraulic equipment, taking into account not only the minimum engine speed required to meet the current flow demand, but also the minimum speed capable of accelerating the ...
T. Wiens
semanticscholar   +1 more source

Replacement and Maintenance Decision Analysis for Hydraulic Machinery Facilities at Reservoirs under Imperfect Maintenance

Energies, 2020
After the long-term operation of reservoir facilities, they will become nonoperational due to the material deterioration and the performance degradation.
S. Leu, Tao-Ming Ying
semanticscholar   +1 more source

Influence of the axial fan blade angle on the turbulent swirl flow characteristics [PDF]

Scientific Technical Review, 2014
The paper presents the investigation of the turbulent swirl flow in a pipe behind the axial fan with adjustable nine blades for the angles of 22°, 26° and 30° for the same rotation number (1500 rpm). Velocities were measured with laser Doppler anemometry
Čantrak Đorđe, Janković Novica, Ristić Slavica, Ilić Dejan   +3 more
doaj  

Conjugate Heat Transfer Investigation on Swirl-Film Cooling at the Leading Edge of a Gas Turbine Vane

Entropy, 2019
Numerical calculation of conjugate heat transfer was carried out to study the effect of combined film and swirl cooling at the leading edge of a gas turbine vane with a cooling chamber inside.
Haifen Du, Ziyue Mei, Jiayao Zou, Wei Jiang, Danmei Xie   +4 more
doaj   +1 more source

Three-Dimensional Inverse Design Method for Hydraulic Machinery

Energies, 2019
Hydraulic machinery with high performance is of great significance for energy saving. Its design is a very challenging job for designers, and the inverse design method is a competitive way to do the job.
Wei Yang, Benqing Liu, R. Xiao
semanticscholar   +1 more source

AI-Based Clustering of Numerical Flow Fields for Accelerating the Optimization of an Axial Turbine

Energies
The growing number of Renewable Energy Sources has increased the demand for innovative and high-performing turbine designs. Due to the increase in computing resources over recent years, numerical optimization using Evolutionary Algorithms (EAs) has ...
Simon Eyselein, Alexander Tismer, Rohit Raj, Tobias Rentschler, Stefan Riedelbauch   +4 more
doaj   +1 more source

Harm and control of hydraulic oil pollution in coal mine machinery

Journal of Physics: Conference Series, 2020
Coal mining machinery such as shearer is one of the most important comprehensive mining equipment in coal mine. Once it breaks down, the consequences cannot be estimated.
Huirong Zhang, Zhong Yao
semanticscholar   +1 more source

26th IAHR Symposium on Hydraulic Machinery and Systems

IOP Conference Series: Earth and Environment, 2019
The 26th IAHR Symposium on Hydraulic Machinery and Systems, will be held in Beijing, China, 19–23 August 2012. It is jointly organized by Tsinghua University, State Key Laboratory of Hydro Science and Hydraulic Engineering, China, Jiangsu University, Xi ...
Yulin Wu, Zhengwei Wang, Shuhong Liu, Shouqi Yuan, Xingqi Luo, Fujun Wang   +5 more
semanticscholar   +1 more source