• ACoolTPS - Advanced Cooling of high power microsystems using Two-Phase Flows Systems in complex geometries

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    Cooling of electronics is a challenging subject due to the fast growth of computer processing capacity. Cooling of datacenters is estimated to have an annual electricity cost of 1.4 billion dollars in the USA and over 3 billion dollars worldwide. Currently, pure air/water cooling is the most widely used means for thermal regulation of datacenters, which represents around 45% of the total energy consumed in a datacenter. However, the energy efficiency of these methods is very low. Therefore, improvements are essential to ensure faster processors with sustainable energy management.

  • Simulation of Multiphase Systems in Complex Ophthalmologic Applications

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    The numerical simulation is an important tool to solve two-phase flow problems found in several engineering processes, such as oil drilling, reservoir filling and cooling of electronic components. In medicine, it has been shown an efficient tool for the study of biological problems, such as corneal replacement, the latter of great importance for patients in need of transplant.

  • Simulation of Multiphase Flow Systems for Ophtalmic Applications

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    The numerical simulation is an important tool to solve two-phase flow problems found in several engineering processes, such as oil drilling, reservoir filling and cooling of electronic components. In medicine, it has been shown an efficient tool for the study of biological problems, such as corneal replacement, the latter of great importance for patients in need of transplant.

  • 4th Workshop on Advances in CFD and modeling of Interface Dynamics in Capillary Two-Phase Flows

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    This document presents the proposal of the Organizing Committee of the 4th Workshop on Advances in CFD and Modeling of Interface Dynamics in Capillary Two-Phase Flows, to be held in the city of Rio de Janeiro - RJ in May 2019. It is a worldwide event, held in continuously since 2015 (Lausanne - Switzerland), and the next one in Kobe - Japan in October 2018, where the current workshop will be held in Brazil for the first time in 2019.

  • 4th Workshop on Advances in CFD and modeling of Interface Dynamics in Capillary Two-Phase Flows

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    This document presents the proposal of the Organizing Committee of the 4th Workshop on Advances in CFD and Modeling of Interface Dynamics in Capillary Two-Phase Flows, to be held in the city of Rio de Janeiro - RJ in May 2019. It is a worldwide event, held in continuously since 2015 (Lausanne - Switzerland), and the next one in Kobe - Japan in October 2018, where the current workshop will be held in Brazil for the first time in 2019.

  • Smart Thermal Management of High-Power Microprocessors Using Phase-Change

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    Developments in modern high-speed microprocessors enhance communication, computing and electronics, thereby playing a profound role in our societies and industries. Sustaining long-term high speeds and reliable operation requires efficient heat dissipation. Phase-change based cooling offers a promising alternative to conventional air-cooling in both earth and space environments.

  • Multiphase System for Cooling of Electronics

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    The numerical simulation is an important tool to solve two-phase flow problems found in several physical processes, such as oil drilling, reservoir filling, hemodynamic and cooling of electronic components, the latter of great importance for describing problems related to controling flow and temperature conditions for new generation of stack processors.

  • High Performance System for Multiphase Flow Simulation in Complex Geometry

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    The numerical simulation is a essential tool to troubleshoot multiphase flows found in many physico-chemical processes, such as the oil and gas extraction and processing, filling of hydroelectric reservoirs, drug-eluting transport in biological systems and cooling of high technology electronic components, all of them of utmost importance for achieving technology and development to the State of Rio de Janeiro.

  • Reduce Operating and Environmental Costs of Thermal Power Generation System (INT-FAPERJ)

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    A third of the capacity of power generation in Rio de Janeiro and Brazil comes from power plants. According to the Ministry of Mines and Energy, the thermal power generation using coal corresponds to twenty-two plants with an installed capacity of about 3.600MW. Considering the low quality of Brazilian coal and low calorific value, large coal volume is required to obtain adequate temperature conditions in thermoelectric generation systems.

  • Multiphase Flows for Cooling of Electronics (INST-FAPERJ)

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    Multiphase flow are characterized by the presence of an interface separating two substances which may or may not be in the same phase. The presence of such physical interface increases the complexity of the flow and as a direct consequence, much of the multiphase problems encountered with difficult engineering solution.

  • Simulation of Biological Systems using Dynamic Meshes (APQ1-FAPERJ)

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    The numerical simulation is an important tool to solve biphasic problems encountered in various physical processes, such as oil drilling, reservoir filling, cooling of electronic components and substances transport processes in biological systems, the latter being of great importance for the description of problems related to coronary artery disease (CAD).

  • Thermal Management of High Power Microsystems Using Multiphase Flows

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    Increased functionality and power consumption of microdevices and high power electronics has come at a cost: power dissipation and heating. This heat must be dissipated to ensure reliable operation of such devices in both earthly and reduced gravity environments (eg space industry), without adversely affecting their performance. With a highly competitive world market, worth tens of billions of Euros, it is imperative for EU to gain a competitive position in this field (currently led by USA and China).

  • French Chair at the State University of Rio de Janeiro

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    The modelling of rising bubbles in tubes or pipes is an important challenge, specifically in complex geometries, such pipes of non-uniform diameter. Such phenomena can be observed in oil wells or food processing. The objective of this study is to quantify experimentally and simulate numerically the rising of fluid in another immiscible fluid in a vertical conical pipe.

  • Post-Doc (UERJ)

    sin

    The topic of the post-doc is numerical two-phase flows with emphasis in micro-macro two-phase flows in capillaries with different geometries found in many applications within the oil and gas field. The work is being performed in Gesar Group - UERJ. (GESAR) at the State University of Rio de Janeiro (UERJ). More info will be updated soon!

  • Post-Doc (MIT)

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    The topic of the post-doc is boiling and condensation in convective flow with multiple bubbles found in nuclear reactors. The work was performed in the Nuclear Science and Engineering (NSE) at the Massachussetts Institute of Technology (MIT).

  • Ph.D.

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    The topic of the doctorate is two-phase flow and heat transfer in microchannels. One of the major aspects of this thesis will be to extend the single phase code (developed during the masters studies) and implement two-phase and heat transfer bringing the surface tension effects into the code for elongated bubble flows, annular flows and bubbly flows (for both evaporating flows and perhaps also for some condensing flows).

  • GESAR (post-M.Sc.)

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    From 2007 to mid-2008 I worked as a young researcher in the Group for Study and Simulations of Reservoir Filling (GESAR) . This one-year experience brought me the necessary skills for large code development, since the multi-disciplinary project required experience in many different areas such as engineering, biology, chemistry and mathematics. The project consisted in numerical simulation of hydropower reservoirs filling.

  • M.Sc.

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    Followed by the end of my bachelor’s project, I started my masters studies at the Federal University of Rio de Janeiro (UFRJ) in the Metallurgical and Materials Engineering Department (COPPE). The period of two years is required to receive the Master’s degree and during this period we must follow some courses and write a dissertation based on a specific theme.

  • B.Eng.

    avelino

    I received my bachelor diploma (B.Eng.) in mechanical engineering at the State University of Rio de Janeiro (UERJ) in 2005. In early 2003, I started to be involved in research by participating in monitoring and undergraduate research. During this period I focoused my studies on fluid dynamics and finally presented my bachelor project