Admilson T. Franco
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View article: Stress Overshoot Analysis in Flow Start-Up Tests: Aging Time Fitting of the Different Gel-Based Drilling Fluids
Stress Overshoot Analysis in Flow Start-Up Tests: Aging Time Fitting of the Different Gel-Based Drilling Fluids Open
Drilling fluids are essential for maintaining cutting suspension during drilling, exhibiting gel-like behavior at rest and liquid-like behavior under shearing. These fluids display shear-thinning behavior, yield stress, and thixotropy. Thi…
View article: Developing a machine learning-based methodology for optimal hyperparameter determination—A mathematical modeling of high-pressure and high-temperature drilling fluid behavior
Developing a machine learning-based methodology for optimal hyperparameter determination—A mathematical modeling of high-pressure and high-temperature drilling fluid behavior Open
Drilling fluids exhibit complex rheological behavior due to a non-linear response to shear rate variations and high sensitivity to changes in temperature, time, and pressure conditions. The prediction of drilling fluid rheological behavior…
View article: Lattice Boltzmann simulations of unsteady Bingham fluid flows
Lattice Boltzmann simulations of unsteady Bingham fluid flows Open
Transient flows of viscoplastic fluids have very peculiar characteristics. The startup and cessation flows of viscoplastic materials have been subject to many theoretical and numerical investigations. The most challenging aspect of numeric…
View article: Numerical investigation of viscoplastic fluids on natural convection in open cavities with solid obstacles
Numerical investigation of viscoplastic fluids on natural convection in open cavities with solid obstacles Open
This study investigates the natural convection process within open cavities filled with viscoplastic fluid following the Bingham model with solid square conductive blocks uniformly distributed throughout the cavity. The problem is modeled …
View article: Review of: "Shear stress during the flow of thixotropic and rheopex suspensions"
Review of: "Shear stress during the flow of thixotropic and rheopex suspensions" Open
Potential competing interests: No potential competing interests to
View article: Numerical simulation of the particle settling in a Bingham fluid using the two-way coupling CFD-DEM scheme
Numerical simulation of the particle settling in a Bingham fluid using the two-way coupling CFD-DEM scheme Open
1. Akhshik S., Behzad M., Rajabi M., 2016, CFD-DEM simulation of the hole cleaning process in a deviated well drilling: the effects of particle shape, Particuology, 25, 72-82. CrossRef Google Scholar
View article: Low-cost device for active saliva droplet filtration and pathogen inactivation
Low-cost device for active saliva droplet filtration and pathogen inactivation Open
This work presents a device capable of performing sanitization in environments using an electrostatic filter and ultraviolet light. Recognized techniques were employed in an innovative and low-cost construction model, like Corona Discharge…
View article: VISUALIZATION OF VISCOPLASTIC FLUID FLOW IN AN ABRUPT CONTRACTION USING PARTICLE IMAGE VELOCIMETRY
VISUALIZATION OF VISCOPLASTIC FLUID FLOW IN AN ABRUPT CONTRACTION USING PARTICLE IMAGE VELOCIMETRY Open
No presente estudo experimental analisamos as especificidades do escoamento de fluidos viscoplásticos, especialmente neste caso as soluções de Carbopol em regime laminar e turbulento através de uma contração abrupta com razão de β = 1:85. …