Results 21 to 30 of about 68,001 (313)
Solar array fed synchronous reluctance motor driven water pump : an improved performance under partial shading conditions [PDF]
, 2019 An improved performance of a photovoltaic (PV) pumping system employing a synchronous reluctance motor (SynRM) under partial shading conditions is proposed.
Al-Dhaifallah, Mujahed +3 more
core +2 more sources
Experimental study on mechanism for pumping-induced land subsidence [PDF]
Proceedings of the International Association of Hydrological Sciences, 2020 Groundwater pumping can cause severe land subsidence, yet the mechanisms have not been completely clear. A laboratory physical model test was done to investigate the mechanism for pumping-induced land subsidence.
Y. Zhang +5 more
doaj +1 more source
Journal of Hydrology: Regional Studies, 2015 Study Region: We analyzed the effects of groundwater pumping on a mountain wetland complex, Yosemite National Park, California, USA. Study Focus: Groundwater pumping from mountain meadows is common in many regions of the world.
David J. Cooper +3 more
doaj +1 more source
Journal of Hydrology X, 2019 The optimal allocation and utilization of irrigation water are particularly significant but complex in multi-stage pumping-water irrigation systems which involve both water distribution processes and machine operation management.
Yao Jiang +3 more
doaj +1 more source
Experimental Study on Drainage of Strata Water-Bearing and Permeability in Huangyuchuan Coal Mine
Meikuang 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
Freshwater-salt water interface dynamics during pumping tests
Acque Sotterranee, 2019 Freshwater-salt water interface (FSI) location is very important information for decision maker in managing coastal aquifer system, however, its temporal change have been hard to get using conventional method such as EC monitoring at one or several fixed
Yongcheol Kim +2 more
doaj +1 more source
PERFORMACE EVALUATION OF SOLAR PHOTOVOLTAIC PUMP FOR OPERATING OF LANDSCAPE SYSTEM [PDF]
Arab Universities Journal of Agricultural Sciences, 2018 Most landscapes requires the water essentially, water pumping consumes a significant amount energy. The study carried out to evaluate the performance of a solar water pumping system for the purpose of operating landscape system.
B. Swidan, M. Mostafa
doaj +1 more source
Suitable and optimal locations for implementing photovoltaic water pumping systems for grassland irrigation in China [PDF]
, 2017 Grassland plays a key role for the food security of China because of the large number of livestock raised in those areas. Thus, grassland degradation due to climate change and overgrazing is considered as one of the most severe environmental and economic
Campana, P.E. +9 more
core +1 more source
Geofluids, 2022 Preferential flow pathways connect upstream and downstream channels in abandoned mines or seasonally pumping areas. The inactive supply well facilitates contaminant migration between aquifers leading to water quality challenges; it is important to note ...
Xu Li +5 more
doaj +1 more source
Boost converter fed high performance BLDC drive for solar PV array powered air cooling system [PDF]
, 2017 This paper proposes the utilization of a DC-DC boost converter as a mediator between a Solar Photovoltaic (SPV) array and the Voltage Source Inverters (VSI) in an SPV array powered air cooling system to attain maximum efficiency.
Depuru, Shobha Rani +1 more
core +2 more sources