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161.
Numerical simulation of sand dune erosion 总被引:1,自引:0,他引:1
A. M. G. Lopes L. A. Oliveira Almerindo D. Ferreira J. P. Pinto 《Environmental Fluid Mechanics》2013,13(2):145-168
Erosion of sand or other granular material is a subject of utmost importance in several fields of practical interest, including industrial processes or environmental issues. Resulting from intricate interaction between the incident flow field and localized body forces responsible for the granular material cohesion, erosion is a particularly complex phenomenon. The present work addresses this problem, proposing a numerical method to compute the time evolution of a sand dune subjected to aeolian erosion, along with the associated entrainment and deposition fluxes. Turbulent fluid flow is computed through a three-dimensional Navier-Stokes solver based on a generalized coordinate system. A Lagrangian approach is adopted for tracking the trajectories of particles entrained in the saltation regime, thus allowing prediction of the corresponding deposition locations. Different models for saltation fluxes are tested, along with several formulations for the creeping-to-saltation flux ratio, creeping threshold and creeping distance. Comparison with results from wind tunnel experiments is very encouraging, stressing the relative importance of creeping in the erosion process for the presently studied conditions. 相似文献
162.
Pisetta Ane-Mery Roveri Vinicius Guimarães Luciana Lopes de Oliveira Therezinha Maria Novais Correia Alberto Teodorico 《Environmental science and pollution research international》2022,29(42):63099-63111
Environmental Science and Pollution Research - The worldwide occurrence of pharmaceuticals and personal care products (PPCPs) in aquatic ecosystems is reason for public concern. These emerging... 相似文献
163.
Tavella Ronan Adler Fernandes Caroline Lopes Feijo Schimith Lucia Emanueli Volcão Lisiane Martins dos Santos Marina da Silva Júnior Flavio Manoel Rodrigues 《Environmental science and pollution research international》2022,29(49):74335-74345
Environmental Science and Pollution Research - Socioeconomic and demographic factors, lifestyle and cultural characteristics may play an important role in the development of genetic damage. This... 相似文献
164.
Mol Marcos Paulo Gomes Zolnikov Tara Rava Neves Arthur Couto dos Santos Giulia Roriz Tolentino Júlia Luiza Lopes de Vasconcelos Barros Raphael Tobias Heller Leo 《Environmental science and pollution research international》2022,29(28):42466-42475
Environmental Science and Pollution Research - There are increasing worldwide concerns about the negative impacts of healthcare waste generated in hospitals, especially in low- and middle-income... 相似文献
165.
Bartolomei Suellen Signer da Silva Felipe Lopes Fonseca de Moura Esperidiana Augusta Barreto Wiebeck Hélio 《Journal of Polymers and the Environment》2022,30(9):3701-3717
Journal of Polymers and the Environment - The amount of plastic waste generated is causing damage to the environment, such as sea and soil pollution, and one of the alternatives for disposing of... 相似文献
166.
Carvalho Barros Giselle Kalline Gomes Duarte Lindemberg Jesus Nogueira Melo Ricardo Paulo Fonseca Lopes Francisco Wendell Bezerra Barros Neto Eduardo Lins 《Journal of Polymers and the Environment》2022,30(6):2534-2546
Journal of Polymers and the Environment - The environmental impacts caused by dyes in industrial wastewater are incalculable, due to their adverse effects on the ecosystem and human life,... 相似文献
167.
Davis Lodinikki Lemoy Aragão Walessa Alana Bragança de Oliveira Lopes Géssica Eiró Luciana Guimaraes Freire Alexandre Rodrigues Prado Felippe Bevilacqua Rossi Ana Cláudia da Silva Cruz Allan das Graças Fernandes Dantas Kelly Albuquerque Alan Rodrigo Leal Paz Simone Patricia Aranha Angélica Rômulo Simões Lima Rafael Rodrigues 《Environmental science and pollution research international》2022,29(10):13930-13940
Environmental Science and Pollution Research - There are a few data relating to the effects of lead (Pb) exposure on the alveolar bone, which has very distinct morphophysiological characteristics... 相似文献