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Hanane Sghiouri El Idrissi, Abderrahim Samaouali, Younes El Rhaffari, Salah El Alami and Yves Geraud
In this work, we study the variability of the lithological composition and organic matter content of samples were taken from the different layers M, X and Y of the Timahdit oil shale in Morocco, in order to experimentally analyze the impact of this varia...
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Evgeny Poplavsky, Nikita Rusakov, Olga Ermakova, Daniil Sergeev and Yuliya Troitskaya
A method has been developed for the retrieval of the atmospheric boundary layer parameters in tropical cyclones, namely the dynamic speed, the wind speed at a 10 m height, and the roughness parameter. For the analysis, the wind speed profiles were obtain...
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Boris Belashev, Lyubov Bakunovich, Nikolai Sharov and Michail Nilov
Study of the deep structure of the White Sea region is relevant to active geodynamics, manifestations of kimberlite magmatism, and the prospects of oil and gas searches. The aim of this work was to model the velocity and density structure of the earth?s ...
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Mohammad Ferdows, Ashish Barmon, Osman Anwar Bég, MD Shamshuddin and Shuyu Sun
Continuous two-dimensional boundary layer heat transfer in an electroconductive Newtonian fluid from a stretching surface that is biased by a magnetic field aligned with thermal radiation is the subject of this study. The effects of magnetic induction ar...
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Abdelbaset M. Abudeif, Gamal Z. Abdel Aal, Nessreen F. Abdelbaky, Ahmed M. Abdel Gowad and Mohammed A. Mohammed
Because of the strategic importance of the Abydos archaeological site in Egypt as a source of wealth for Egyptian tourism, this study was concerned with carrying out geophysical measurements to detect subsurface succession and measure variations in the g...
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Zehao Chen and Hongbin Zhan
To remove contaminants from a layered heterogeneous porous system where the flow direction is parallel to the horizontal layering, the flushing front may advance faster in one layer than the other, resulting in a significant vertical concentration gradie...
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Linlong Jing and Xinhua Wei
In China, rice growers predominantly use boom sprayers. However, boom sprayers have several drawbacks related to poor penetration in the middle and late stages of rice growth. Several studies have shown that the use of the canopy-opening device can impro...
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Erica Corradini, Stefan Dreibrodt, Ercan Erkul, Daniel Groß, Harald Lübke, Diana Panning, Natalie Pickartz, Martin Thorwart, Andreas Vött, Timo Willershäuser, Dennis Wilken, Tina Wunderlich, Marco Zanon and Wolfgang Rabbel
We present a case study of a bog showing how an integrated approach of multi-method geophysical sounding and local soil sampling can be used to identify, differentiate, and map organic sediments. Our study is based on ground-penetrating radar (GPR), elec...
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Alessio Fossati, Martina Di Ferdinando, Alessandro Lavacchi, Andrea Scrivani, Carlo Giolli and Ugo Bardi
CoNiCrAlY powders with similar granulometry and chemical composition, but different starting reactivity toward oxygen, were sprayed onto superalloy substrates by High Velocity Oxygen-Fuel producing coatings of similar thicknesses. After spraying, samples...
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Djilali Beida Maamar, Zenasni Ramdane
Pág. 142 - 151
The main purpose of the present investigation was to determine the damages generated by the low velocities with the help of the experimental method (Impact by a drop test) and the finite element method. The commercial transient finite element package LS-...
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Gorazd Novak, Angelantonio Tafuni, José M. Domínguez, Matja? Cetina and Du?an ?agar
Fishways have a great ecological importance as they help mitigate the interruptions of fish migration routes. In the present work, the novel DualSPHysics v4.4 solver, based on the smoothed particle hydrodynamics method (SPH), has been applied to perform ...
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Jinrong Bao, Chenzhen Ji, Deng Pan, Chao Zong, Ziyang Zhang and Tong Zhu
The propagation mechanism of flow disturbance under acoustic excitations plays a crucial role in thermoacoustic instability, especially when considering the effect of non-premixed combustion on heat release due to reactant mixing and diffusion. This rela...
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Mehmet Celal Tunusluoglu
One of the most important parameters used to determine the dynamic properties of soil layers is the shear wave velocity. In geotechnical earthquake engineering, the shear wave velocity is used to determine the shear modulus, which provides the input para...
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Mark Orzech
Accurate prediction of ocean surface wave attenuation in polar marginal ice zones remains a challenge. In this article, an alternative approach to the problem is introduced, in which the ice layer is represented with a modified version of the vegetation ...
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Feilong Lin, Chujin Liang, Tao Ding, Dingyong Zeng, Feng Zhou, Xiao Ma, Chenghao Yang, Hongliang Li, Beifeng Zhou, Chenggang Liu and Weifang Jin
The northern Andaman Sea (AS) continental shelf is unique due to the diverse marine ecosystem and existences of both hypoxia and internal tides, but limited in situ observations restrict our understanding of the hydrographic dynamic process. Based on the...
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Olga Ermakova, Nikita Rusakov, Evgeny Poplavsky, Daniil Sergeev and Yuliya Troitskaya
The intensity of tropical cyclones is highly dependent on air?sea enthalpy and momentum exchange. At extreme wind speeds, the values of the enthalpy, CK, and momentum, CD, exchange coefficients are characterized by high uncertainty. The present study aim...
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Xiaosheng Ji, Yi-Qi Ye, Bo Wang and Ying-Tien Lin
In this study, by assuming a small bottom slope, asymptotic solutions were developed to discuss natural convection within rooted emergent vegetation in response to different heating and cooling mechanisms. Based upon the maximum water depth in comparison...
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Yu Zhan, Huajun Zhang, Jianhao Li and Gen Li
Wave heights are important factors affecting the safety of maritime navigation. This study proposed a stacking ensemble learning method to improve the prediction accuracy of wave heights. We analyzed the correlation between wave heights and other oceanic...
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Malek Abid, Christian Kharif, Hung-Chu Hsu and Yang-Yih Chen
The theory of surface wave generation, in viscous flows, is modified by replacing the linear-logarithmic shear velocity profile, in the air, with a model which links smoothly the linear and logarithmic layers through the buffer layer. This profile includ...
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Jie Yu
On re-examining the problem of linear gravity waves in two layers of fluids with a viscous ice layer overlaying water of deep depth, we give a detailed analysis of the fluid velocities, velocity shear, and Reynolds stress associated with wave fluctuation...
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