|
|
|
|
|
Fansheng Zhang, Lianglin Dong, Hongbo Wang, Ke Zhong, Peiyuan Zhang and Jinyan Jiang
During the construction of underground engineering, the prediction of groundwater distribution and rock body permeability is essential for evaluating the safety of the project and guiding subsequent design and construction. This article proposes an objec...
ver más
|
|
|
|
|
|
|
|
|
|
|
Andreas Neumann and Michaela Brchnelova
Electric space propulsion is a technology that is used in a continuously increasing number of spacecrafts. The qualification of these propulsion systems has to run in ground-based test facilities which requires long testing times and powerful pumping sys...
ver más
|
|
|
|
|
|
|
|
|
|
|
Enrique Bonet and María Teresa Yubero
In Spain, irrigated agriculture is the most water-intensive sector, consuming around of 80% of water resources. Moreover, irrigation water distribution systems are the infrastructure by which one-third of water resource losses take place. Monitoring and ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yi Li, Wentao Xie, Hongwei Wang, Bin Peng, Feng Xiong and Chun Zhu
For the dewatering of deep excavation, the existing man-made waterproof curtain has a significant influence on flow response in confined aquifers; the effect of the waterproof curtain must be considered when using the field data for hydrogeological param...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gerard Lods and Delphine Roubinet
Subsurface and groundwater flow characterization is of great importance for various environmental applications, such as the dispersion of contaminants and their remediation. For single-hole flowmeter measurements, key characteristics, such as wellbore st...
ver más
|
|
|
|
|
|
|
|
|
|
|
Baoyun Zhang, Junzhi Wang, Ruolin Zhang, Yasong Li, Xiangke Kong and Yaci Liu
Aquifer diffusivity is a basic physical parameter used in hydrogeological calculations and is important for the evaluation and rational utilization of water resources, pollution prevention, and wetland protection. In this study, with the assumptions of a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Florimond De Smedt
An analytical solution is presented for groundwater flow to a well in an aquifer with double-porosity behavior and transient transfer between fractures and matrix. The solution is valid for fractional flow dimensions including linear, cylindrical or sphe...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dongtao Ji, Weigang Lu, Lei Xu and Linguang Lu
For pumping station projects in plain areas, shaft tubular pump devices are often used due to the low head. In actual operation, the common working range of the pump device is generally 0.8 Qbep~1.2 Qbep. Therefore, it is of great significance to study t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Guangping Liu, Yongping Jin, Youduo Peng, Deshun Liu and Buyan Wan
Hadal seafloor organisms live under ultra-high pressure, in low temperatures, and other environments for a long time, which puts higher requirements on the structural design of deep-sea biological samplers. In this paper, we present a full-ocean-depth hy...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yalei Bai and Donglei Wu
In daily operation, the flow state in the runner chamber of an axial flow pump is extremely complex, and the pressure pulsation caused by the vibration of the unit and the hydraulic excitation is also extremely complex. The pressure pulsation will also g...
ver más
|
|
|
|
|
|