Electric Energy Cogeneration
Mostrando 1-12 de 23 artigos, teses e dissertações.
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1. Pre-harvest desiccation in biomass sorghum with herbicides
ABSTRACT The purpose of this study was to assess the effect of different herbicide treatments on moisture removal and calorific power of biomass sorghum for co-generation of electric energy through burning. The experiment was conducted in randomized complete block design with four replicates per treatment and a 6x4 factorial scheme (six herbicide treatments
Rev. Ceres. Publicado em: 2020-10
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2. Uma metodologia para gestão da eficiência energética de centrais de cogeração a biomassa: aplicação ao bagaço de cana. / A methodology for energy efficiency management of biomass cogeneration plants: application to sugarcane bagasse.
Due to the Brazilian population and economic growth, the national grid is in continuous change in order to meet the country needs. During the last decade, the highlights are the thermoelectric generation expansion, first by natural gas plants growth and recently by alternative renewable cogeneration sugarcane bagasse plants. Due to this situation, face to th
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/08/2011
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3. Determinantes da taxa de difusão tecnológica na cogeração do setor sucroalcooleiro / Determinants of the rate of technological diffusion in the cogeneration alcohol sector
Este trabalho objetivou identificar os determinantes da difusão tecnológica na cogeração de energia no setor sucroenergético. Especificamente, pretendeu analisar a relação da difusão tecnológica com o processo de polarização e crescimento regional; analisar a composição da matriz energética brasileira e a participação da geração de energia
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/08/2010
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4. TRANSIENT MODELLING OF INDUSTRIAL GAS TURBINE FOR POWER GENERATION / MODELAGEM DO REGIME TRANSITÓRIO DE TURBINAS A GÁS INDUSTRIAIS PARA A GERAÇÃO DE ENERGIA ELÉTRICA
Gas turbine engines are a vital part of today¿s industry, providing both work and heat for several industry sectors, from transportation to cogeneration systems. The growing need for reliable electricity has encouraged the design of stationary gas turbines, including in Brazil, which operates on multiple fuels such as diesel, natural gas and low calorific f
Publicado em: 2010
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5. Solution in the supply of electric energy to mall shopping in Bahia / Soluções no suprimento de energia elétrica para shoppings centers na Bahia
From a survey done in four Shopping Malls located in Bahia State, this dissertation is an investigation proposal, under a technical-economic bias have seen that the majority of companies aims to reduce costs - the implementation and use of various forms of alternative energy (Cogeneration and/or energy systems) that enable cost reduction and are applicable t
Publicado em: 2009
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6. ANÁLISE DA INFLUÊNCIA DE UM COMPENSADOR ESTÁTICO DE REATIVOS NA OPERAÇÃO DE SISTEMA ELÉTRICO INDUSTRIAL COM COGERAÇÃO / Analyze of the influence of a static var compensator in operation of a electrical energy industrial system with a cogeneration
In this work is analyzed the influence of a static var compensator (SVC) on the electromechanical stability of the electrical energy system of the industrial consumer ALUMAR that has a cogeneration. The main considerations on cogeneration systems, the FACTS Controllers and the systems involved in the analysis are described. Moreover, it is discussed the mode
Publicado em: 2008
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7. Case Study: Economic analysis for natural gas operation of cogeneration system in buildings and facilities commercial and dwelling approach through system dynamics / Estudo de Caso: Analise econômica da utilização do gás natural em sistemas de cogeração aplicados a instalações prediais comerciais e residenciais Via Dinâmica de Sistemas
Cogeneration systems must increase the installed brazilian power generation capacity. It can also improve the reliability of the transmission system, using different energy sources in new power plants and enlarging the business opportunities for private capital in the brazilian market. Brazil presents expressive potential for distributed generation plants of
Publicado em: 2008
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8. Aplicação de tecnicas de analise espacial para a avaliação do potencial de produção de eletricidade a partir de sub-produtos da cana-de-açucar no Estado de São Paulo / Use of geographical information systems to evaluate the potential of cogeneration from sugarcane residues in the state os São Paulo
This dissertation presents the use of a methodological procedure based on Geographical Information Systems (GIS) and on Spatial Analysis and its application on the evaluation of the potential of electricity production using cogeneration systems based on residual biomass of sugarcane (bagasse and trash). The study was developed considering the state of São P
Publicado em: 2008
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9. Development of ammonia-water absorption refrigeration systems simulator and its application in a project of a system moved by exhaust gases of diesel engine / Aperfeiçoamento de um simulador de sistemas de refrigeração de absorção agua-amonia e sua aplicação para projeto de um sistema movido a gas de escape de motor diesel
This work shows the development of an ammonia-water absorption refrigeration system pre-existing simulation program, which uses diesel engine exhaust gases from a diesel-generator group as energy source. The project was implemented in four stages. An initial design of its components involved solely thermodynamic relations, and was based on the arbitration of
Publicado em: 2008
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10. ANÁLISE DO DESEMPENHO DE UM SISTEMA DE COGERAÇÃO COM UMA MICROTURBINA A GÁS NATURAL / PERFORMANCE ANALYSIS OF A GAS FIRED MICROTURBINE BASED COGENERATION SYSTEM
In this dissertation the performance of a cogeneration system was simulated using data obtained in tests of a natural gas fired 30 kW microturbine, operated during peak hours, and coupled to a heat recovery unit to generate hot water to be consumed in the showers of the PUC-Rio Gymnasium, together with a thermal reservoir to match the demand. Initially, the
Publicado em: 2007
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11. Analise termodinamica de um sistema de cogeração com gaseificação de licor negro / Termodynamic analysis of a cogeneration system with blak liquor gasification
The pulp and paper industries generate most part of energy for self consumption burning two different fuels: biomass and black liquor, which is more used than the first one. This industrial sector has been used cogeneration systems, to produce electric energy from the combustion of these fuels. In the last years an increase in the production of the industrie
Publicado em: 2007
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12. Protótipo de uma unidade com tri-geração de energia para utilizações remotas: aplicação de módulo secondutivo gerador termoelétrico
The generation for termoeletricity is characterized as a solid process of conversion of thermal energy (heat) in electric without the necessity of mobile parts. Although the conversion process is of low efficiency the system presents high degree of trustworthiness and low requisite of maintenance and durability. Its principle is based on the studies of termo
Publicado em: 2007