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Theoretical modeling and experimental validation of hydrodynamic cavitation reactor with a Venturi tube for sugarcane bagasse pretreatment
(2020-09-01)
A hydrodynamic cavitation reactor with a Venturi tube was modeled through a computational fluid dynamics approach in order to evaluate the influence of pressure ratio, diameter and length of the throat zone. A cavitation ...
Capillary hydrodynamic fractionation of hydrophobic colloids: Errors in the estimated particle size distribution
(Elsevier Science Inc, 2014-05)
Capillary hydrodynamic fractionation (CHDF) with turbidity detection at a single wavelength is an ana-lytical technique that is often used for sizing the sub-micrometric particles of hydrophobic colloids. Thisarticle ...
Physicochemical characterization of aqueous micellar systems formed by environmentally friendly salts
(Elsevier Science, 2015-05)
In this work, environmentally friendly aqueous micellar two-phase systems containing nonionic surfactants (Triton X-114, Triton X-100 and Genapol X080) and organic salts (sodium citrate and sodium tartrate) were characterized. ...
Control of rotating cylinders as suppressors of vortex-induced vibration of a bluff body
(SOBENARio de Janeiro, 2014-11-10)
The flow past a plain circular cylinder can be controlled by eight small cylinders rotating about the diameter. They rotate such that the tip speed varies from 0 to 1.5 times the free-stream velocity. A numerical approach ...
Avaliação da dispersão de nanomateriais em cuba de ultrassom e análise de seu potencial fitotóxico
(Universidade Federal de Juiz de Fora (UFJF)BrasilICB – Instituto de Ciências BiológicasUFJF, 2023)
Multi-wavelength UV-detection in Capillary Hydrodynamic Fractionation. Data Treatment for an Absolute Estimate of the Particle Size Distribution
(Pergamon-Elsevier Science Ltd, 2017-02)
A new approach is proposed for estimating the particle size distribution (PSD) of hydrophobic colloids by capillary hydrodynamic fractionation (CHDF) based on UV-detection at several wavelengths. At each elution time, the ...
Investigation of a method for predicting AUV derivatives
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
The paper addresses the problem of autonomous underwater vehicle (AUV) modelling and parameter estimation as a means to predict the dynamic performance of underwater vehicles and thus provide solid guidelines during their ...