Search Results - "O. Rocha, L. A."

Geometric Evaluation of Bluff Bodies Arrangement under Turbulent Flows with Mixed Convection Heat Transfer by Teixeira, F. B., Lorenzini, G., Isoldi, L. A., dos Santos, E. D., O. Rocha, L. A.

“…This work consists of a numerical evaluation of the geometry of an arrangement of square heated obstacles under mixed convective turbulent flows. The geometry…”
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Numerical Study and Geometrical Investigation of an Inclined Passive Wall Solar Chimney over the Ventilation Performance of an Attached Room by Leão, M. R., Lorenzini, G., Claudino, T. M., Maia, C. B., O. Rocha, L. A., Isoldi, L. A., D. Estrada, E. S., Dos Santos, E. D.

“…The present numerical work investigates by means of Constructal Design the influence of the geometry of an inclined passive wall solar chimney on the…”
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Energy Recovery Based on Exhaust Gas Recirculation and Heat Regeneration Processes Applied in a Firewood Boiler by Caetano, N. R., da Silva, B. P., Ruoso, A. C., Avila, A. G., O. Rocha, L. A., Lorenzini, G.

“…This research investigated the exhaust gas recirculation (EGR) process to recover part of the thermal and chemical energy left in the exhaust boiler stream. A…”
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Constructal H-shaped cavities according to Bejan’s theory by Biserni, C., Rocha, L.A.O., Stanescu, G., Lorenzini, E.

“…In this paper, we use Bejan’s Constructal theory to optimize the geometry of a H-shaped cavity that intrudes into a solid conducting wall. The objective is to…”
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Conduction tree networks with loops for cooling a heat generating volume by Rocha, L.A.O., Lorente, S., Bejan, A.

“…Tree-shaped networks are now being considered as small-scale architectures for high-densities in electronics cooling and fuel cells design. This paper…”
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Determination of the maximal lactate steady state in obese Zucker rats by Almeida, J A, Petriz, B A, Gomes, C P C, Rocha, L A O, Pereira, R W, Franco, O L

“…This study aims to identify the maximum lactate steady state (MLSS) in obese rats in order to provide a more effective tool in the exercise training…”
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Constructal design of X-shaped conductive pathways for cooling a heat-generating body by Lorenzini, G., Biserni, C., Rocha, L.A.O.

“…This paper applies constructal design to discover the configuration that facilitates the access of the heat that flows through X-shaped pathways of…”
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An experimental study of performance, combustion and emissions characteristics of an ethanol HCCI engine using water injection by Telli, G.D., Zulian, G.Y., Lanzanova, T.D.M., Martins, M.E.S., Rocha, L.A.O.

“…•Water was injected in an ethanol HCCI cyl. from a converted 3-cyl. diesel engine.•HCCI combustion was attained via total recirculation of exhaust gases from a…”
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Constructal design of forced convective flows in channels with two alternated rectangular heated bodies by Feijó, B.C., Lorenzini, G., Isoldi, L.A., Rocha, L.A.O., Goulart, J.N.V., dos Santos, E.D.

“…•Forced convective laminar flows in channels with two mounted alternately bodies was studied.•Constructal Design and Exhaustive Search were used for geometric…”
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Effect of non-Newtonian fluid rheology on an arterial bypass graft: A numerical investigation guided by constructal design by Dutra, R.F., Zinani, F.S.F., Rocha, L.A.O., Biserni, C.

“…•Based on constructal design method, this study seeks to investigate the influence of Carreau rheological parameters on the flow through a bypass graft…”
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Constructal design of non-uniform X-shaped conductive pathways for cooling by Lorenzini, G., Biserni, C., Rocha, L.A.O.

“…This paper applies constructal design to discover the configuration that facilitates the access of the heat that flows through non-uniform X-shaped pathways of…”
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Constructal wavy-fin channels of a compact heat exchanger with heat transfer rate maximization and pressure losses minimization by Song, Yidan, Asadi, Masoud, Xie, Gongnan, Rocha, L.A.O.

“…In this paper a new generation of wavy-fin channels of a compact heat exchanger is investigated based on the Constructal Theory with maximizing the heat…”
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Pulsatile flow through an idealized arterial bypass graft: an application of the constructal design method by Impiombato, A. N., Zinani, F. S. F., Rocha, L. A. O., Biserni, C.

“…Bypass grafts promote blood flow impaired by a partial obstruction (stenosis) of arteries by fat accumulation. This type of system's computational modeling is…”
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Constructal design of T-shaped assemblies of fins cooling a cylindrical solid body by Lorenzini, G., Biserni, C., Correa, R.L., dos Santos, E.D., Isoldi, L.A., Rocha, L.A.O.

“…This paper considers the numerical optimization of a T-shaped assembly of fins cooling a cylindrical solid body. The objective is to minimize the maximum…”
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Geometric optimization of a convective T-shaped cavity on the basis of constructal theory by Lorenzini, G., Biserni, C., Garcia, F.L., Rocha, L.A.O.

“…The aim of this paper is to optimize, by means of Bejan’s theory, the geometry of a T-shaped cavity that intrudes into a solid conducting wall. One direction…”
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Tree-shaped vascular wall designs for localized intense cooling by Rocha, L.A.O., Lorente, S., Bejan, A.

“…This paper is a proposal to embed tree-shaped vasculatures in a wall designed such that the wall withstands without excessive hot spots the intense heating…”
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Geometric optimization of X-shaped cavities and pathways according to Bejan’s theory: Comparative analysis by Lorenzini, G., Biserni, C., Rocha, L.A.O.

“…This paper applies constructal design to study the geometry of a X-shaped isothermal cavity and a X-shaped high conductivity pathway that penetrate into a…”
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Geometric optimization of isothermal cavities according to Bejan’s theory by Lorenzini, G., Biserni, C., Rocha, L.A.O.

“…In this paper we consider the optimization of shape of an isothermal cavity that intrudes into a solid conducting wall. The main objective is the minimization…”
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Constructal design applied to the optimization of complex geometries: T-Y-shaped cavities with two additional lateral intrusions cooled by convection by Lorenzini, G., Garcia, F.L., dos Santos, E.D., Biserni, C., Rocha, L.A.O.

“…In this paper we consider the geometrical optimization of a complex cavity, namely a T-Y-shaped cavity with two additional lateral intrusions into a solid…”
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Constructal Design of Elliptical Conduits for Cooling of Gas Turbine Blades with External Thermal Barrier Coating by Bosc, C., Rocha, L. A. O., Centeno, F. R., Gutierrez, F.

“…Gas turbines (GTs) are thermal machines used to transform the energy released in combustion with a hydrocarbon into mechanical power, in order to drive a…”
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