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

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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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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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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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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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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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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Falling film distillation column with heat transfer by means of a vapor chamber - part I: isothermal operation by Marangoni, Cintia, Meneguelo, Ana Paula, Teleken, Joel G., Werle, Leandro O., Milanez, Kenia W., Mantelli, Marcia B. H., Quadri, Marintho B., Bolzan, Ariovaldo, dos Santos, Maurício C., Medina, Lilian C., Machado, Ricardo A. F.

“…We describe a new configuration for falling film distillation columns: a heating system provided by a vapor chamber along the entire column with the operation…”
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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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Falling film distillation column with heat transfer by means of a vapor chamber. Part II: operation with a temperature profile by Marangoni, Cintia, Peruzzo, Tiago, Parisotto, Iaçanã G. B., Ricardo, Valdete W., Claumann, Carlos A., Milanez, Kenia W., Mantelli, Marcia B. H., Quadri, Marintho B., Bolzan, Ariovaldo, dos Santos, Maurício C., Medina, Lilian C., Machado, Ricardo A. F.

“…Based on previous results and a new proposal for the configuration of falling film distillation columns heated by a vapor chamber operating at atmospheric…”
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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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Condensation on downward-facing surfaces subjected to upstream flow of air–vapor mixture by Czubinski, Fernando F., Mantelli, Marcia B.H., Passos, Júlio C.

“…► Film condensation on downward-facing surface under upstream flow was analyzed. ► Grooved and smooth surfaces were tested and compared. ► Surface…”
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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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Thermal characteristics of a thermosyphon heated enclosure by Milanez, Fernando H., Mantelli, Marcia B.H.

“…This work analyzes and compares the thermal characteristics of two enclosures heated using different methods: one is heated using two-phase thermosyphons and…”
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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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