Search Results - "Mantelli, Márcia B.H."

Experimental study of unstructured porous media inserts for water recovery in a reduced scale, crossflow cooling tower by Pozzobon, João C., Mantelli, Marcia B.H., da Silva, Alexandre K.

“…•Potential water recovery experiments in wet cooling towers.•Non-structured porous media condensation layer inserts.•Reduction of cooling water expenditure in…”
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Permeability model of sintered porous media: analysis and experiments by Flórez Mera, Juan Pablo, Chiamulera, Maria E., Mantelli, Marcia B. H.

“…In this paper, the permeability of porous media fabricated from copper powder sintering process was modeled and measured, aiming the use of the porosity as…”
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Charging procedures: effects on high temperature sodium thermosyphon performance by Cisterna, Luis H. R., Vitto, Gonçalo, Cardoso, Maria C. K., Fronza, Eduardo L., Mantelli, Marcia B. H., Milanez, Fernando H.

“…In this work, the influence of the charging procedures on the performance of two-phase thermosyphons operating with sodium as working fluid is studied…”
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Energy efficiency comparison between a conventional tray column and a novel heat-intensified thermosyphon-assisted falling film distillation unit: an assessment for mixtures with different relative volatilities by Battisti, Rodrigo, Bresolin, Daniela, Milanez, Kênia W., Mantelli, Márcia B. H., dos Santos, Maurício C., Medina, Lilian C., Marangoni, Cintia, Machado, Ricardo A. F.

“…An energy performance comparison between a novel thermosyphon-assisted falling film distillation unit and a conventional tray unit was carried out for three…”
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Energy conditions assessment of a two-phase annular thermosyphon used as heat supplier for a new pilot-scale falling film distillation unit by Battisti, Rodrigo, Milanez, Kênia W., Mantelli, Márcia B.H., dos Santos, Maurício C., Medina, Lilian C., Marangoni, Cintia, Machado, Ricardo A.F.

“…[Display omitted] •A novel approach for heat supply in a pilot-scale distillation unit is proposed.•Isothermal and temperature-profile condition in the…”
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Experimental study of two phase loop thermosyphons for hybrid solar systems by Serconek Fuso, Luciano, Cisterna, Luis H.R., Mantelli, Marcia B.H.

“…•Two loop thermosyphon associated in series and parallel configurations are studied.•In series association, the thermosyphon condenser is coupled to the…”
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Design correlations for a novel enhanced compact heat exchanger with offset circular fins by de Castro, Felipe R., Cisterna, Luis H.R., Mantelli, Marcia B.H.

“…A novel core geometry for compact heat exchangers, termed “circular offset fins (cOF)”, is proposed and experimentally investigated in the present work. This…”
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Novel flat plate pulsating heat pipe with ultra sharp grooves by Krambeck, Larissa, Domiciano, Kelvin G., Betancur-Arboleda, Luis A., Mantelli, Marcia B.H.

“…•Diffusion bonding was applied for the fabrication of flat plate PHPs.•Ultra-sharp grooves in the evaporator improved the heat transfer capacity of a PHP.•The…”
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Thermal performance of a novel flat thermosyphon for avionics thermal management by Junior, Antonio A.M., Mantelli, Marcia B.H.

“…•A flat thermosyphon with a novel geometry was designed, fabricated and tested.•The thermosyphon consisted of nine diffusion bonded 316L stainless steel…”
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Thin diffusion bonded flat loop heat pipes for electronics: Fabrication, modelling and testing by Domiciano, Kelvin G., Krambeck, Larissa, Flórez, Juan Pablo M., Mantelli, Marcia B.H.

“…•Three loop heat pipes with less than 1.6 mm in thickness were developed.•Diffusion bonding reveal to be a promising fabrication technology of thin…”
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Improving heat transfer and eliminating Geyser boiling in loop thermosyphons: Model and experimentation by Vieira, Gabriela C., Flórez M, Juan Pablo, Mantelli, Marcia B.H.

“…•A new design of a loop thermosyphon was presented and tested.•Geyser Boiling occurrence was eliminating in the loop thermosyphons with flat evaporators.•The…”
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Geyser boiling experiments in thermosyphons filled with immiscible working fluids by de Souza, Fernando G., Cisterna, Luis H.R., Milanez, Fernando H., Mantelli, Marcia B.H.

“…This paper presents an experimental study on the Geyser Boiling phenomenon in two-phase thermosyphons operating with two working fluids simultaneously:…”
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Population balance for capillary limit modeling in a screen mesh wick heat pipe working with nanofluids by Herrera, Bernardo, Chejne, Farid, Mantelli, Marcia B.H., Mejía, Juan, Cacua, Karen, Gallego, Anderson

“…In this work, a study to evaluate the effect of the concentration of nanoparticles of an Al2O3/water nanofluid on the capillary limit of a heat pipe with a…”
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Operation regimes and heat transfer coefficients in sodium two-phase thermosyphons by Cisterna, Luis H.R., Cardoso, Maria C.K., Fronza, Eduardo L., Milanez, Fernando H., Mantelli, Marcia B.H.

“…•The filling ratio on sodium two-phase thermosyphon was studied. In all cases, the thermosyphons presented three operating regimes: fin, Geyser Boiling and…”
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Prediction of geyser boiling limit for high temperature two-phase thermosyphons by Cisterna, Luis H.R., Milanez, Fernando H., Mantelli, Marcia B.H.

“…•Theoretical models to predict the Geyser Boiling limit for high temperature two-phase thermosyphons is proposed.•The bubble release number is proposed, which…”
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Novel thermosyphon-assisted setup for determining heat exchanger thermal characteristics by de Castro, Felipe R., Cisterna, Luis H.R., Mantelli, Marcia B.H.

“…•A new thermosyphon-assisted setup for heat exchanger thermal test is proposed.•Two phase thermosyphons supply constant wall temperature boundary…”
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Experimental study of multidimensional wire-plate/sintered hybrid mini heat pipes for electronics by Mantelli, Marcia B. H., Batista, João V. C., Mera, Juan P. F.

“…The experimental study concerning new two and three dimensional mini heat pipes, proposed for cooling electronic components in printed circuit boards is…”
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Heat transfer investigation of a 90° zigzag channel diffusion-bonded heat exchanger by Cavalcanti Alvarez, Rodrigo, Sarmiento, Andrés P.C., Cisterna, Luis H.R., Milanese, Fernando H., Mantelli, Marcia B.H.

“…•Diffusion-bonded heat exchanger with a zigzag channel experimentally investigated.•Study of water stream influence in the thermal performance of the heat…”
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Modified Biot Number Models For Startup And Continuum Limits Of High Temperature Thermosyphons by Cisterna, Luis H.R., Fronza, Eduardo L., Cardoso, Maria C.K., Milanez, Fernando H., Mantelli, Marcia B.H.

“…•Theoretical models for the startup limit, the continuum limit, and the temperature distribution along the condenser under steady state conditions.•The models…”
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Effective thermal conductivity of sintered porous media: Model and experimental validation by Florez, Juan Pablo M., Mantelli, Marcia B.H., Nuernberg, Gustavo G.V.

“…A model to estimate the effective thermal conductivity of sintered porous media for heat pipes is proposed in this paper. An elementary cell of a porous media…”
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