Results 41 to 50 of about 45,302 (169)

Experimental Study on Drainage of Strata Water-Bearing and Permeability in Huangyuchuan Coal Mine

open access: yesMeikuang Anquan, 2020
The pumping test was carried out by arranging pumping holes in the ground of Huangyuchuan Mine to test the water inflow, permeability coefficient and influence radius of different hole positions, and to master the characteristics of water and ...
WU Hongtao, CHEN Jiangfeng, WANG Chongping, DOU Hao3
doaj   +1 more source

TEST AUTOMATION PUMPS

open access: yesЭнергосбережение. Энергетика. Энергоаудит., 2016
В статье обосновывается актуальность введения в практику эксплуатацию насосного оборудования нового вида, его испытаний-непосредственно на месте эксплуатации. Разработана, испытана и отлажена лабораторная установка центробежных насосов, позволяющая в реальном масштабе времени при помощи современных приборов и персонального компьютера строить ...
Kaniuk, Gennady Ivanovich   +4 more
openaire   +1 more source

Application of Golden Sine Algorithm in Hydrogeological Parameter Optimization

open access: yesRenmin Zhujiang, 2020
To improve the accuracy of hydrogeological parameters, this paper conducts the simulationverification of golden sine algorithm (Gold-SA) algorithm by six standard test functions andcompares the simulation results with that of the particle swarm ...
ZHOU Yourong, LI Na, ZHOU Fahui
doaj  

Taking into Account the Role of the Weathering Profile in Determining Hydrodynamic Properties of Hard Rock Aquifers

open access: yesGeosciences, 2017
The present study aims at understanding the role of the structure and the geometry of the weathering profile on the hydrodynamic behavior of hard rock aquifers.
Mahamadou Koïta   +4 more
doaj   +1 more source

Solving hydrogeological parameters of thick sandstone based on various analytical and numerical methods

open access: yesMeitan kexue jishu
In the process of coal mining, accidents such as water inrush in mines can not only cause huge economic losses, but also seriously threaten the safety of workers. Hydrogeological parameters play an important role in calculating the amount of water inflow
Quanchao ZHOU   +3 more
doaj   +1 more source

NEW SOURCE OF WATER FOR SETTLEMENTS ON DUGI OTOK ISLAND (CROATIA)

open access: yesRudarsko-geološko-naftni Zbornik, 2001
The water demand in Southern Croatia, where Dugi Otok is situated, is the highest during the summer due to tourism, irrigation requirements and intensive use of water by local dwellers and those in holiday-homes.
Mladen Zelenika   +2 more
doaj  

Understanding Complex Hydraulic Heterogeneities in Crystalline Basement Aquifers Used as Drinking Water Sources

open access: yesGeosciences
Managing groundwater flow in crystalline basement aquifers (CBAs) remains challenging due to their dependence on secondary permeability fields characterized by high spatial variability.
Kennedy O. Doro   +3 more
doaj   +1 more source

Design of a supervised artificial intelligence committee machine to estimate hydrodynamic parameters of confined aquifers [PDF]

open access: yesعلوم زمین خوارزمی
Accurate estimation of hydrodynamic parameters is essential for sustainable aquifer development. Since Theis (1935), the Type Curve Matching Technique (TCMT) has been used to estimate aquifer parameters.
Tahereh Azari
doaj  

A Double-Rotating Ferrofluid Vane Micropump with an Embedded Fixed Magnet

open access: yesActuators
This paper introduces the prototype design, magnetic field analysis and experimental test of a double-rotating ferrofluid vane micropump with an embedded fixed magnet.
Ye Wang   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy