Search Results - "Duwig, C"

Assessment of the Sulfamethoxazole mobility in natural soils and of the risk of contamination of water resources at the catchment scale by Archundia, D., Duwig, C., Spadini, L., Morel, M.C., Prado, B., Perez, M.P., Orsag, V., Martins, J.M.F.

“…Sulfamethoxazole (SMX) is one of the antibiotics most commonly detected in aquatic and terrestrial environments and is still widely used, especially in low…”
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Environmental fate and ecotoxicological risk of the antibiotic sulfamethoxazole across the Katari catchment (Bolivian Altiplano): Application of the GREAT-ER model by Archundia, D., Boithias, L., Duwig, C., Morel, M.-C., Flores Aviles, G., Martins, J.M.F.

“…Antibiotics are emergent contaminants that can induce adverse effects in terrestrial and aquatic organisms. The surface water compartment is of particular…”
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Sulfamethoxazole biodegradation and impacts on soil microbial communities in a Bolivian arid high altitude catchment by Archundia, D., Martins, J.M.F., Lehembre, F., Morel, M.-C., Duwig, C.

“…The processes controlling antibiotics fate in ecosystems are poorly understood, yet their presence can inhibit bacterial growth and induce the development of…”
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Anthropogenic eutrophication of Lake Titicaca (Bolivia) revealed by carbon and nitrogen stable isotopes fingerprinting by Heredia, C., Guédron, S., Point, D., Perrot, V., Campillo, S., Verin, C., Espinoza, M.E., Fernandez, P., Duwig, C., Achá, D.

“…Cultural eutrophication is the leading cause of water quality degradation worldwide. The traditional monitoring of eutrophication is time-consuming and not…”
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Antibiotic pollution in the Katari subcatchment of the Titicaca Lake: Major transformation products and occurrence of resistance genes by Archundia, D., Duwig, C., Lehembre, F., Chiron, S., Morel, M-C, Prado, B., Bourdat-Deschamps, M., Vince, E., Aviles, G. Flores, Martins, J.M.F.

“…An increasing number of studies pointed out the ubiquitous presence of medical residues in surface and ground water as well as in soil compartments. Not only…”
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Mercury contamination level and speciation inventory in Lakes Titicaca & Uru-Uru (Bolivia): Current status and future trends by Guédron, S., Point, D., Acha, D., Bouchet, S., Baya, P.A., Tessier, E., Monperrus, M., Molina, C.I., Groleau, A., Chauvaud, L., Thebault, J., Amice, E., Alanoca, L., Duwig, C., Uzu, G., Lazzaro, X., Bertrand, A., Bertrand, S., Barbraud, C., Delord, K., Gibon, F.M., Ibanez, C., Flores, M., Fernandez Saavedra, P., Ezpinoza, M.E., Heredia, C., Rocha, F., Zepita, C., Amouroux, D.

“…Aquatic ecosystems of the Bolivian Altiplano (∼3800 m a.s.l.) are characterized by extreme hydro-climatic constrains (e.g., high UV-radiations and low oxygen)…”
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Large Eddy Simulation of turbulent combustion in a stagnation point reverse flow combustor using detailed chemistry by Duwig, C., Iudiciani, P.

“…•We model flameless combustion with complex chemistry and LES.•A comprehensive sensitivity analysis of the results is presented.•Large scale rotational and…”
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High resolution imaging of flameless and distributed turbulent combustion by Duwig, C., Li, B., Li, Z.S., Aldén, M.

“…Planar laser-induced fluorescence (PLIF) and Rayleigh scattering measurements were used for the study of turbulence/combustion interactions in distributed…”
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Large-eddy simulation on the effect of injection pressure and density on fuel jet mixing in gas engines by Vuorinen, V., Wehrfritz, A., Duwig, C., Boersma, B.J.

“…[Display omitted] •One of the first LES studies on highly underexpanded supersonic fuel jets.•Gas molecular weight has a strong effect on the mixture…”
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Transport, sorption and degradation of atrazine in two clay soils from Mexico: Andosol and Vertisol by Prado, B., Duwig, C., Hidalgo, C., Müller, K., Mora, L., Raymundo, E., Etchevers, J.D.

“…Although atrazine has been banned in the European Union, it is still one of the most widely used herbicides in the world. It is has been detected in surface…”
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How Uncontrolled Urban Expansion Increases the Contamination of the Titicaca Lake Basin (El Alto, La Paz, Bolivia) by Archundia, D., Duwig, C., Spadini, L., Uzu, G., Guédron, S., Morel, M. C., Cortez, R., Ramos Ramos, O., Chincheros, J., Martins, J. M. F.

“…Cities in developing countries encounter rapid waves of social transformation and economic development where the environment is mostly a neglected aspect. The…”
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Coupling X-ray microtomography and mercury intrusion porosimetry to quantify aggregate structures of a cambisol under different fertilisation treatments by Dal Ferro, N., Delmas, P., Duwig, C., Simonetti, G., Morari, F.

“…► Mercury porosimetry detects small pores that are not revealed by micro-CT. ► Micro-CT is fundamental for morphological studies. ► Micro-CT is not influenced…”
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On the implementation of low-dissipative Runge–Kutta projection methods for time dependent flows using OpenFOAM by Vuorinen, V., Keskinen, J.-P., Duwig, C., Boersma, B.J.

“…•Low-dissipative LES/DNS flow solvers implemented into OpenFOAM.•Dissipation properties quantified with four numerical experiments.•The Runge–Kutta projection…”
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Large eddy simulation of unsteady lean stratified premixed combustion by Duwig, C., Fureby, C.

“…Premixed turbulent flame-based technologies are rapidly growing in importance, with applications to modern clean combustion devices for both power generation…”
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A Large Eddy Simulation Study of Bluff Body Flame Dynamics Approaching Blow-Off by Hodzic, E., Alenius, E., Duwig, C., Szasz, R. S., Fuchs, L.

“…The mechanisms leading to blowoff were investigated numerically by analyzing bluff body stabilized flame at two conditions: a condition far from blowoff to a…”
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Carbon, nitrogen, phosphorus, and sediment sources and retention in a small eutrophic tropical reservoir by Némery, J, Gratiot, N, Doan, P. T. K, Duvert, C, Alvarado-Villanueva, R, Duwig, C

“…Rapid urbanization and the absence of efficient water management policies are increasingly degrading the water quality of tropical reservoirs in developing…”
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Large Eddy Simulation of a H2/N2 Lifted Flame in a Vitiated Co-Flow by Duwig, C., Fuchs, L.

“…A lifted turbulent H 2 /N 2 flame in a vitiated co-flow is studied using Large Eddy Simulation together with a closure based on perfectly stirred reactors. A…”
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Visualization and Characterization of Heterogeneous Water Flow in Double-Porosity Media by Means of X-ray Computed Tomography by Peng, Z., Duwig, C., Delmas, P., Gaudet, J. P., Gastelum Strozzi, A., Charrier, P., Denis, H.

“…Three-dimensional visualization of dynamic water transport process in soil by computed tomography (CT) technique is still limited by its low temporal…”
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Experimental and Numerical Study of Flameless Combustion in a Model Gas Turbine Combustor by Duwig, C., Stankovic, D., Fuchs, L., Li, G., Gutmark, E.

“…Flameless combustion is an attractive solution to address existing problems of emissions and stability when operating gas turbine combustors. Theoretical,…”
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A filtered flame approach for simulation of unsteady laminar premixed flames by Duwig, C.

“…The simulation of laminar flames consists of capturing the evolution of a very large number of species that may react within a broad range of time scales. It…”
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