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Stan Wehbe, Feleke Zewge, Yoshihiko Inagaki, Wolfram Sievert, Tirumala Uday Kumar Nutakki and Akshay Deshpande
A mechanistic model was developed to simulate one-dimensional pesticide transport in two-stage vertical flow constructed wetland. The two pesticides taken under study were carbendazim and chlorothalonil. The water flow patterns within the constructed wet...
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Hyo-Geol Kim, Jin-Woong Lee, Su-Chul Kim, Jooseon Oh and Sung-Bo Shim
In this study, crank-locker kinematic equations were used to analyze the three-point hitch behavior when the dynamometer was connected to the work machine. The dynamometer was statically tested with a hydraulic actuator, and the accuracy of the three-way...
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Ziran Zhang and Maosheng Zhang
Describing the hydraulic conductivity of unsaturated soil is very important in predicting water transport. Most current models have complex forms and generally need to be calibrated by the measured unsaturated hydraulic conductivity curve. A simple model...
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Xiaomin Liu, Kezhi Wang, Tingxi Liu and Wenguang Wang
Excessive sedimentation in sand-laden rivers significantly hinders the normal operation and overall effectiveness of reservoirs. This is observed particularly in plain-type sand-laden reservoirs where weak hydraulic conditions in the reservoir area contr...
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Donghae Baek, Il Won Seo, Jun Song Kim, Sung Hyun Jung and Yuyoung Choi
The dispersion coefficients are crucial in understanding the spreading of pollutant clouds in river flows, particularly in the context of the depth-averaged two-dimensional (2D) advection?dispersion equation (ADE). Traditionally, the 2D stream-tube routi...
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Kyong Oh Baek and Dong Yeol Lee
This study aims to develop a straightforward and practical formula to estimate transverse dispersion coefficients in meandering natural rivers, a critical factor for predicting solute transport. We present a novel expression for the transverse dispersion...
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Lin Hou, Hongwu Zhang, Linqi Li, Junchi Zhao and Xiji Li
Sufficient water is pivotal in maintaining the stability of boundaries in sandy river systems. However the current methodologies employed for computing the water demand for sediment transport in rivers frequently neglect this component. This research uti...
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Kwami Serge Foga Agbetossou, Denis Worlanyo Aheto, Donatus Bapentire Angnuureng, Leo Cornelius van Rijn, Koko Zébéto Houédakor, Emmanuel Kwadzo Brempong and Folly Serge Tomety
Field measurements of longshore sediment transport have been performed in the surf zone along Denu Beach, located in the Volta Region of Ghana, West Africa. This study consisted of measuring sediment transport rates by the deployment of modified versions...
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Alexander Safonov and Kirill Minchenkov
Honeycomb weathering is a common phenomenon found on various rock surfaces all around the world. However, honeycomb formation mechanisms are still poorly understood. In this study, we propose a model describing moisture transport within the sandstone and...
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De Nyago Tafen, Barbara Kutchko and Mehrdad Massoudi
Cement fractures represent preferential leakage pathways in abandoned wells upon exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical reactions is critical for assessing well integrity in CO2 storage. This paper desc...
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