Results 21 to 30 of about 436,998 (314)

Integration and Analysis of Multi-Modal Geospatial Secondary Data to Inform Management of at-Risk Archaeological Sites

open access: yesISPRS International Journal of Geo-Information, 2021
Climate change poses an imminent physical risk to cultural heritage sites and their surrounding landscape through intensifying environmental processes such as damaging wetting and drying cycles that disrupt archaeological preservation conditions, and ...
Rebecca Guiney   +7 more
doaj   +1 more source

Investigation the stability of reservoir sediments in the lab and field

open access: yesMATEC Web of Conferences, 2018
To investigate the erosion stability of reservoir sediments, two measuring strategies were applied. Next to in situ measurements, sediment cores were extracted and analysed in the laboratory.
Noack Markus   +3 more
doaj   +1 more source

Bio-Inspired New Hydraulic Actuator Imitating the Human Muscles for Mobile Robots

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
Limited load capacity is the bottleneck for the practical application of mobile multi-joint legged robots. And improving the efficiency of the drive system is a key factor in improving the load capacity.
Xiangjuan Bai   +5 more
doaj   +1 more source

Electrocoagulation for Sustainable Wastewater Treatment: Scientometric Trends and Recent Progress [PDF]

open access: yesE3S Web of Conferences
The pollution of waterways has emerged as one of the most urgent environmental problems on the planet. Hence, it is vital to innovate robust, efficient and sustainable wastewater treatment technologies to preserve water resources and water security for ...
Bakkass Soukaina   +2 more
doaj   +1 more source

Justification criteria for Inter-Basin Water Transfer Projects [PDF]

open access: yesE3S Web of Conferences, 2021
When implemented on a large scale, Interbasin Water Transfer (IBWT) projects are one of the most significant human interventions in natural environmental processes.
Laassilia Oussama   +3 more
doaj   +1 more source

Influence of a Modified Weir Profile on Velocity Field and Dissipation Rate in Stepped Spillways: A Comparative Study Using Physical Models and Computational Fluid Dynamics [PDF]

open access: yesJournal of Applied Fluid Mechanics
Stepped spillways are specialized hydraulic structures crafted to optimize the effective dissipation of hydraulic energy along stepped chutes. The central objective is to scrutinize and improve the mitigation of flow separation occurring from the ogee ...
H. Souli, J. Ahattab, S. Bensallam
doaj   +1 more source

Detection of hydraulic phenomena in francis turbines with different sensors [PDF]

open access: yes, 2019
Nowadays, hydropower is demanded to provide flexibility and fast response into the electrical grid in order to compensate the non-constant electricity generation of other renewable sources.
Egusquiza Estévez, Eduard   +4 more
core   +2 more sources

A New Method for Fault Diagnosis of Hydraulic System Based on Improved Empirical Wavelet Transform and Kernel Extreme Learning Machine

open access: yesIEEE Access, 2023
To address the problem that multivariable faults in hydraulic systems are difficult to diagnose accurately in a short time, a new signal processing method combining an improved empirical wavelet transform with a kernel extreme learning machine optimized ...
Chao Chen, Muhetaer Kelimu, Bo Yang
doaj   +1 more source

Mathematical modelling of branched hydraulic systems [PDF]

open access: yesКомпьютерные исследования и моделирование, 2009
Solving the problem of stationary stream distribution for an arbitrary volume-free hydrosystem with a free level can be reduced to determining the extremes of a multi-variable function.
N. V. Kassina, L. V. Smirnov
doaj   +1 more source

The current state of district heating processes in China and directions for the development of the methodological and instrumental base to support them [PDF]

open access: yesE3S Web of Conferences, 2023
The article assesses the current state of district heating systems covering more than 100 cities in northern China. The main features of such systems, as well as the problems that arise during their design and operation, are disclosed.
Alekseev Aleksandr   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy