Search Results - "Cotta, Renato M"

Integral transform analysis of radionuclide transport in variably saturated media using a physical non-equilibrium model: application to solid waste leaching at a uranium mining installation by Cotta, Renato M, Naveira-Cotta, Carolina P, Genuchten, Martinus T, Su, Jian, Quaresma, João N N

“…The Generalized Integral Transform Technique (GITT) was employed to simulate transient one-dimensional flow in variably saturated porous media, as well as…”
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Integral transforms for three-dimensional pumping in confined, leaky, and unconfined aquifers by Silva, Elizeu Melo da, Quaresma, João N. N., Macêdo, Emanuel N., Cotta, Renato M.

“…Analytical or hybrid numerical-analytical solutions based on the Generalized Integral Transform Technique (GITT) are obtained for the transient…”
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Mixed thermal convection: fundamental issues and analysis of the planar case by Padet, Jacques, Cotta, Renato M, Mladin, Emilia C, Padet, Colette

“…This paper aims to renew interest on mixed thermal convection research and to emphasize three issues that arise from the present analysis: (i) a clear…”
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Bayesian estimation of the hydraulic and solute transport properties of a small-scale unsaturated soil column by Moreira, Paulo H S, van Genuchten, Martinus Th, Orlande, Helcio R B, Cotta, Renato M

“…In this study the hydraulic and solute transport properties of an unsaturated soil were estimated simultaneously from a relatively simple small-scale…”
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Fluid flow and conjugated heat transfer in arbitrarily shaped channels via single domain formulation and integral transforms by Knupp, Diego C., Cotta, Renato M., Naveira-Cotta, Carolina P.

“…The present work advances a recently introduced approach based on combining the Generalized Integral Transform Technique (GITT) and a single domain…”
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Integral transform solution for hyperbolic heat conduction in a finite slab by Monteiro, Evaldiney R., Macêdo, Emanuel N., Quaresma, João N.N., Cotta, Renato M.

“…An analytical integral transformation of the thermal wave propagation problem in a finite slab is obtained through the generalized integral transform technique…”
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Mathematical Parameters of the COVID-19 Epidemic in Brazil and Evaluation of the Impact of Different Public Health Measures by Cotta, Renato M, Naveira-Cotta, Carolina P, Magal, Pierre

“…A SIRU-type epidemic model is employed for the prediction of the COVID-19 epidemy evolution in Brazil, and analyze the influence of public health measures on…”
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Integral transforms for three-dimensional steady turbulent dispersion in rivers and channels by de Barros, Felipe P.J., Cotta, Renato M.

“…A three-dimensional steady-state mathematical model is considered for predicting the fate of dissolved contaminants in rivers and channels under turbulent flow…”
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Vector eigenfunction expansion in the integral transform solution of transient natural convection by Lisboa, Kleber Marques, Su, Jian, Cotta, Renato M

“…Purpose The purpose of this work is to revisit the integral transform solution of transient natural convection in differentially heated cavities considering a…”
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Transient conjugated heat transfer in microchannels: Integral transforms with single domain formulation by Knupp, Diego C., Cotta, Renato M., Naveira-Cotta, Carolina P., Kakaç, Sadik

“…The transient behaviour of conjugated heat transfer in laminar microchannel flow is investigated, taking into account the axial diffusion effects, which are…”
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Integral Transforms with Single Domain Formulation for Transient Three-Dimensional Conjugated Heat Transfer by Sousa, Adam H. R., Lisboa, Kleber M., Naveira-Cotta, Carolina P., Cotta, Renato M.

“…An analysis based on integral transforms is undertaken for transient three-dimensional conjugated conduction-convection heat transfer, with a focus on mini or…”
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Theoretical–experimental analysis of conjugated heat transfer in nanocomposite heat spreaders with multiple microchannels by Knupp, Diego C., Naveira-Cotta, Carolina P., Cotta, Renato M.

“…The present work deals with conjugated heat transfer in heat spreaders made of a nanocomposite substrate with longitudinally molded multiple straight…”
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Nonlinear eigenvalue problem in the integral transforms solution of convection-diffusion with nonlinear boundary conditions by Cotta, Renato M, Naveira-Cotta, Carolina Palma, Knupp, Diego C

“…Purpose – The purpose of this paper is to propose the generalized integral transform technique (GITT) to the solution of convection-diffusion problems with…”
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Enhanced convergence of eigenfunction expansions in convection-diffusion with multiscale space variable coefficients by Cotta, Renato M., Naveira-Cotta, Carolina P., Knupp, Diego C.

“…A convergence enhancement technique known as the integral balance approach is employed in combination with the Generalized Integral Transform Technique (GITT)…”
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An improved lumped model for freezing of a freely suspended supercooled water droplet in air stream by dos Anjos, Emerson B., Naveira-Cotta, Carolina P., Tiwari, Manish K., Cotta, Renato M., Carvalho, Igor S.

“…This work deals with the mathematical modeling of the transient freezing process of a supercooled water droplet in a cold air stream. The aim is to develop a…”
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Integral transform analysis of convective heat transfer within wavy walls channels by Miyagawa, Helder K., Quaresma, João N. N., Lisboa, Kleber M., Cotta, Renato M.

“…The generalized integral transform technique (GITT) is employed in the hybrid numerical-analytical solution of the two-dimensional Navier-Stokes and energy…”
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Eigenfunction expansions for transient diffusion in heterogeneous media by Naveira-Cotta, Carolina P., Cotta, Renato M., Orlande, Helcio R.B., Fudym, Olivier

“…The Generalized Integral Transform Technique (GITT) is employed in the analytical solution of transient linear heat or mass diffusion problems in heterogeneous…”
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A review of hybrid integral transform solutions in fluid flow problems with heat or mass transfer and under Navier-Stokes equations formulation by Cotta, Renato M., Lisboa, Kleber M., Curi, Marcos F., Balabani, Stavroula, Quaresma, João N. N., Perez-Guerrero, Jesus S., Macêdo, Emanuel N., Amorim, Nelson S.

“…The Generalized Integral Transform Technique (GITT) is reviewed as a hybrid numerical-analytical approach for fluid flow problems, with or without heat and…”
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Detection of contact failures with the Markov chain Monte Carlo method by using integral transformed measurements by Abreu, Luiz A.S., Orlande, Helcio R.B., Colaço, Marcelo J., Kaipio, Jari, Kolehmainen, Ville, Pacheco, César C., Cotta, Renato M.

“…This work deals with the solution of an inverse heat conduction problem aiming at the detection of contact failures in layered composites through the…”
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Theoretical analysis of conjugated heat transfer with a single domain formulation and integral transforms by Knupp, Diego C., Naveira-Cotta, Carolina P., Cotta, Renato M.

“…The present work advances an analytical approach for conjugated conduction-convection heat transfer problems, by proposing a single domain formulation for…”
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