Results 11 to 20 of about 1,014,558 (255)

CFD-FEM Analysis of Flow-Induced Vibrations in Waterjet Propulsion Unit

Journal of Marine Science and Engineering, 2022
This paper investigates the problem of vibration in an axial flow waterjet propeller with high power density and low specific speed. Based on fluid–structure coupling vibration analysis, combined with modal analysis and ship tests, the unsteady fluid ...
Yuanxing Dai, Zhenghao Liu, Wei Zhang, Jianping Chen, Jianguo Liu   +4 more
doaj   +1 more source

Comparative study on salinity removal methods: an evaluation-based stable isotopes signatures in ground and sea water

Applied Water Science, 2023
This research aims to attain the optimal method of removing the high salinity concentrations without its effect on the balance or accuracy of stable isotopes measurement of deuterium and oxygen-18 (δ18O, δ2H).
Ali Hasan Falih, Ali Al Maliki, Ahmed Kadhim Al-lami, Ali Jasm, Amer Mohammed, Ansam Mahmood, Zainab Salah Abd Alameer, Nadhir Al-Ansari, Zaher Mundher Yaseen   +8 more
doaj   +1 more source

The Permeability and Selectivity of the Polyamide Reverse Osmosis Membrane were Significantly Enhanced by PhSiCl₃

Membranes, 2021
The work briefly introduces the nano-composite reverse osmosis (RO) membrane with more permeability and selective performance, and we adopted the phenyltrichlorosilane precursor with better chemical stability and greater spatial resistance.
Junjie Yu, Kaifeng Gu, Binbin Yang, Kaizhen Wang, Yong Zhou, Congjie Gao   +5 more
doaj   +1 more source

Energia, água e relações entre Ciência, Tecnologia, Sociedade e Ambiente no ensino de ciências: interações discursivas e possibilidades formativas

Desenvolvimento e Meio Ambiente, 2016
Energy and water can be related in the controversial field of interests, negotiations and decision making concerning the electrical energy generation process in hydroelectric dams. In this context, the contact of students with these themes is relevant to
Ana Maria Teixeira, Noemi Sutil
doaj   +1 more source

Developing a DEM and Elucidating through SWAT to Conserve Soil in Kulfo Watershed of Rift Valley Basin, Ethiopia

Applied and Environmental Soil Science, 2022
Due to uninterrupted erosion and transportation, huge volume of sediments carried away by streams and rivers are finally deposited on the meanders, lakes, and reservoirs when the velocity of the surface water flow decreases.
Melkamu Teshome Ayana, Yechale Kebede Bizuneh, Abera Ermias Koshuma, Aschalew Cherie Workneh, Belete Meketew Ali, Tarun Kumar Lohani   +5 more
doaj   +1 more source

Investigating the Efficiency of Locally Available Mucilage Plant Extract for Reducing Hydrocarbon Materials in Water

Iraqi Journal of Industrial Research, 2022
The study aimed to examine plant extract prepared from three species including Leucaena seeds, Conocarpus leaves and Moringa seeds, those compared alum as natural coagulants for reducing chemical oxygen demand (COD) of domestic sewage water.
Luay Q. Hashim, Ahmed K. Hassan, Mohammed F. Hashim   +2 more
doaj   +1 more source

Clustering micropollutants and estimating rate constants of sorption and biodegradation using machine learning approaches

npj Clean Water, 2023
Effluent from wastewater treatment plants is considered an important source of micropollutants (MPs) in aquatic environments. However, monitoring MPs in effluents is often inefficient owing to the variety in their types.
Seung Ji Lim, Jangwon Seo, Mingizem Gashaw Seid, Jiho Lee, Wondesen Workneh Ejerssa, Doo-Hee Lee, Eunhoo Jeong, Sung Ho Chae, Yunho Lee, Moon Son, Seok Won Hong   +10 more
doaj   +1 more source

TOLERANCE OF THE ALGAL SPECIES NAVICUAL BUSIEDTII TO HIGH CONCENTRATION OF SALINE LRANIAN WAST WATER [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2014
Algae diatom Navicual busiedtii used to decreasing salts of salty water with concentration 2, 4, 8, 16, 32 ppt. depending on diatoms ability for growing and reproduction at salty water environment. Recorded concentration in the end of Experiment is 0, 0,
AHMED AIDAN AL-HUSSIENY, ROEDA F.KAMEL, TIASER KHALEED AL-MAAMURI   +2 more
doaj   +1 more source

Flood forecasting methods for a semi‐arid and semi‐humid area in Northern China

Journal of Flood Risk Management, 2022
The Double‐Excess (DE) model is a flood forecasting model which was developed to reflect the characteristics of runoff generation in semi‐arid and semi‐humid areas.
Xueping Zhu, Yu Zhang, Wei Qi, Yankuan Liang, Xuehua Zhao, Wenjun Cai, Yang Li   +6 more
doaj   +1 more source

Potential of space science technology for water infrastructure management

International Journal of Research in Business and Social Science (2147- 4478), 2022
This article examines the potential of space science technology for water infrastructure (WI) management. It defines space technology in detail, and when South Africa (SA) started using it as a tool. To explain the context, the different types of orbits, altitudes, and functions of satellites are given, as well as the challenges that satellites ...
Mokgobu, Matlou Lesley, Mason, Roger Bruce   +1 more
openaire   +2 more sources