Search Results - "Meier, H.F."

An alternative for the collection of small particles in cyclones: Experimental analysis and CFD modeling by Balestrin, E., Decker, R.K., Noriler, D., Bastos, J.C.S.C., Meier, H.F.

“…•Verification of numerical methods and validation of mathematical model for swirling flow in cyclones.•Experimental and numerical data for velocity profiles…”
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Effect of degree of triglyceride unsaturation on aromatics content in bio-oil by Beims, R.F., Botton, V., Ender, L., Scharf, D.R., Simionatto, E.L., Meier, H.F., Wiggers, V.R.

“…•Thermal cracking experiments were performed using three biomasses with different degrees of unsaturation.•Higher amounts of aromatic compounds were found in…”
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A kinetic model for thermal cracking of waste cooking oil based on chemical lumps by Meier, H.F., Wiggers, V.R., Zonta, G.R., Scharf, D.R., Simionatto, E.L., Ender, L.

“…[Display omitted] •Waste cooking oil was subjected to thermal cracking at three temperatures (475, 500 and 525°C).•Experiments were performed in a continuous…”
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A CFD study on ultrasound-enhanced CFB riser with calcium oxide and activated coal for CO2 capture application by Becker, S.L., Rossbach, V., Meier, H.F., Padoin, N., Soares, C.

“…This numerical study explores techniques for optimizing fluidization in circulating fluidized beds (CFB), which are of significant industrial interest. Various…”
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Biofuels from continuous fast pyrolysis of soybean oil: A pilot plant study by Wiggers, V.R., Meier, H.F., Wisniewski, A., Chivanga Barros, A.A., Wolf Maciel, M.R.

“…The continuous fast pyrolysis of soybean oil in a pilot plant was investigated. The experimental runs were carried out according to an experimental design…”
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Effect of precipitation chamber geometry on the production of microparticles by antisolvent process by Cardoso, F.A.R., Rezende, R.V.P., Almeida, R.A., Meier, H.F., Cardozo-Filho, L.

“…[Display omitted] •An effective 3D CFD-PBE model is proposed to analyze the antisolvent process.•Changes in transport parameters are accounted for through a…”
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CFD-based modeling of precipitation by supercritical anti-solvent process of microparticles from grape pomace extract with population balance approach by Cardoso, F.A.R., Rezende, R.V.P., Almeida, R.A., Mezzomo, N., Ferreira, S.R.S., Meier, H.F., Cardozo-Filho, L.

“…[Display omitted] •An effective CFD-PBE model was proposed to analyze the SAS process.•Changes in transport parameters are accounted for via a set of closure…”
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Evaluation of changes in physicochemical properties in a supercritical antisolvent (SAS) process using 3D turbulent CFD approach by Cardoso, F.A.R., Almeida, R.A., Rezende, R.V.P., Meier, H.F., Noriler, D., Guerra, H.P., Cabral, V.F., Cardozo-Filho, L.

“…•The changes in physicochemical properties are evaluated through a CFD approach.•Our approach accounting the three-dimensional and turbulent features of the…”
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Experimental data of thermal cracking of soybean oil and blends with hydrogenated fat by Beims, R.F., Botton, V., Ender, L., Scharf, D.R., Simionatto, E.L., Meier, H.F., Wiggers, V.R.

“…This article presents the experimental data on the thermal cracking of soybean oil and blends with hydrogenated fat. Thermal cracking experiments were carried…”
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Thermal fluid dynamics analysis of gas–liquid flow on a distillation sieve tray by Noriler, D., Meier, H.F., Barros, A.A.C., Wolf Maciel, M.R.

“…Conventional models for distillation columns are based on equilibrium and non-equilibrium stage concepts, and both consider the fluid dynamics in a macroscopic…”
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Comparison between physical properties and chemical composition of bio-oils derived from lignocellulose and triglyceride sources by Stedile, T., Ender, L., Meier, H.F., Simionatto, E.L., Wiggers, V.R

“…Biomass can be used in the production of alternative liquid fuels and other chemicals through the pyrolysis process. The types of biomass used to obtain…”
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Fragmentation and abrasion of solid particles in cyclones of CFB reactors: Phenomenology and kinetic model constitution by Tonet, F., Rosa, L.M., Utzig, J., Decker, R.K., Meier, H.F.

“…Particulate material in gas-solid flow systems is under constant mechanical stress due to the collisions of solid particles with the internal walls of the…”
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Gas-solid flow in cyclones: The Eulerian-Eulerian approach by Meier, H.F., Mori, M.

“…A computational fluid dynamic model was used to simulate the diluted gas-solid flow in a conventional cyclone. Most of the studies published in the literature…”
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Comparison between staggered and collocated grids in the finite-volume method performance for single and multi-phase flows by Meier, H.F., Alves, J.J.N., Mori, M.

“…This work presents the numerical results obtained when staggered and collocated grids were used in the finite-volume methods (FVMs) for four standard flows:…”
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Experimental and numerical evaluation of slugs in a vertical air–water flow by Jaeger, J., Santos, C.M., Rosa, L.M., Meier, H.F., Noriler, D.

“…•Vertical slug flow in a large diameter duct was experimentally and numerically studied.•PDF analysis of pressure and gas holdup was done.•Good agreement was…”
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Corrigendum to “A kinetic model for thermal cracking of waste cooking oil based on chemical lumps” [Fuel 144 (2015) 50–59] by Meier, H.F., Wiggers, V.R., Zonta, G.R., Scharf, D.R., Simionatto, E.L., Ender, L.

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Biofuels from waste fish oil pyrolysis: Chemical composition by Wisniewski, A., Wiggers, V.R., Simionatto, E.L., Meier, H.F., Barros, A.A.C., Madureira, L.A.S.

“…In a previous study, waste fish oil was converted into bio-oil by a fast pyrolysis process at 525 °C in a continuous pilot plant reactor with 72–73% yield. The…”
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Biofuels from waste fish oil pyrolysis: Continuous production in a pilot plant by Wiggers, V.R., Wisniewski, A., Madureira, L.A.S., Barros, A.A. Chivanga, Meier, H.F.

“…Fast pyrolysis of waste fish oil was performed in a continuous pyrolysis pilot plant. The experiment was carried out under steady-state conditions in which 10…”
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Oil shale reactor: process analysis and design by CFD by Stahnke, C., Silva, M.K., Rosa, L.M., Noriler, D., Martignoni, W.P., Bastos, J.C.S.C, Meier, H.F.

“…[Display omitted] •Oil shale reactor was modeled by using a reactive moving bed approach.•Three models for the interphase thermal exchange were…”
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Nanoscale mixing during double-flame spray synthesis of heterostructured nanoparticles by Grossmann, H. K., Grieb, T., Meierhofer, F., Hodapp, M. J., Noriler, D., Gröhn, A., Meier, H. F., Fritsching, U., Wegner, K., Mädler, L.

“…The combination of two nanoparticle-producing flame reactors to a double-flame (DF) spray pyrolysis process is an attractive method for the high-temperature…”
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