Hot Water Generation
Mostrando 1-12 de 17 artigos, teses e dissertações.
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1. Mild and Moderate Extraction Methods to Assess Potentially Available Soil Organic Nitrogen
ABSTRACT The use of chemical methods to assess the soil organic nitrogen (N) potentially available to plants is not a common practice in Brazil. However, associated with others, this tool might improve efficiency in the use of waste and nitrogen fertilizers. In our study, chemical methods were tested to assess potentially available soil N in samples of 17 re
Rev. Bras. Ciênc. Solo. Publicado em: 24/10/2016
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2. HOT AEROSOL FIRE EXTINGUISHING AGENTS AND THE ASSOCIATED TECHNOLOGIES: A REVIEW
Abstract Since the phase out of Halon extinguishers in the 1980s, hot aerosol fire suppression technology has gained much attention. Unlike traditional inert gas, foam, water mist and Halon fire suppression agents, hot aerosol fire extinguishing agents do not need to be driven out by pressurized gases and can extinguish class A, B, C, D and K fires at 30 to
Braz. J. Chem. Eng.. Publicado em: 2015-09
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3. Efeito do teor de umidade sobre o pré-tratamento a vapor e a hidrólise enzimática do bagaço de cana-de-açúcar
The effect of moisture content in the steam treatment and enzymatic hydrolysis of sugarcane bagasse was evaluated. Steam treatment was perfomed at 195-210 ºC for 4-8 min using cane bagasse with moisture contents in the range 16-100 wt% (dry basis). Increased moisture contents not only had a positive influence in recovery of main cane biomass components but
Quím. Nova. Publicado em: 2012
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4. Avaliação do potencial da casca de Eucalyptus spp. para a produção de bioetanol / Evaluation of the potential use of Eucalyptus spp. bark for bioethanol production
The use of no fossil source for biofuels production has been stimuled in the all world. Proposing a new global scenario related to the energy matrix, together with the environmental conditions, there is the need to search alternative renewable raw materials. In this context, Brazil presents special conditions, considering the lignocellulosic residues from th
Publicado em: 2010
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5. Induction of fruit tolerance to chilling injury: physiological and biochemical aspects / Indução de tolerância de frutos às injúrias de frio: aspectos fisiológicos e bioquímicos
Experiments were performed with the purpose to investigate physiological and biochemical responses associated to induction of fruit tolerance to chilling injury and the involvement of ethylene and antioxidant defense system in this process. Nanicão banana and Tahiti lime fruit were submitted to treatments to stimulate or to inhibit ethylene action and heat
Publicado em: 2010
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6. Precipitation forecast aided by weather radar for early warning system of urban floods / Previsão de chuva com auxílio de radar de tempo visando a um sistema de alerta antecipado de cheias em áreas urbanas
To reduce human and material losses during floods it is feasible to concisely study the rainfall forecast as the main part of an early warning system. The use of weather radar information, when linked to physically-based forecast models, can contribute for monitoring and forecasting of intense rainfall episodes. Thus, the rainfall forecast, based on using of
Publicado em: 2009
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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. 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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9. Simulador para estudo de operação e análise econômica de um sistema de cogeração utilizando microturbina a gás natural em complexos residenciais
The present work consists on a study of a cogeneration system using natural gas microturbine simulator for technical and economical analyze. The residential environment was chosen for its favorable cogeneration system characteristics, because it presents a representative electrical demand, and also an expressive thermal demand. From the load side, the model
Publicado em: 2007
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10. METODOLOGIA PARA DETERMINAÇÃO DO MERCADO POTENCIAL DE UM SISTEMA DE COGERAÇÃO COM MICROTURBINA PARA PRODUÇÃO DE ENERGIA ELÉTRICA E ÁGUA QUENTE / METHODOLOGY FOR DETERMINING THE POTENTIAL MARKET OF A MICROTURBINE BASED COGENERATION SYSTEM FOR ELECTRIC ENERGY AND HOT WATER PRODUCTION
O uso seqüencial de energia elétrica e energia térmica a partir da energia química do mesmo combustível tem sido estudado para melhorar o custo benefício de uma geração distribuída. O objetivo deste estudo é determinar o mercado potencial desta tecnologia na região de influência da concessionária local de energia elétrica. Para alcançar este o
Publicado em: 2007
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11. ANÁLISE DE UM SISTEMA DE PRODUÇÃO SIMULTÂNEA DE ELETRICIDADE, FRIO E CALOR / ANALYSIS OF A SYSTEM FOR THE SIMULTANEOUS PRODUCTION OF ELECTRICAL ENERGY, HEAT AND COLD
The simultaneous production of electric energy, heat and cooling capacity from the primary fuel burning on a heat engine (trigeneration) can emerge as a promising strategy, from the energy and project points of view, mostly, in food and chemistry industries. The present work describes the experimental study of a vapor compression system for chilled water pro
Publicado em: 2005
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12. A incidência da utilização do chuveiro elétrico na geração de água quente nas edificações / The incidence of the use of the eletric shower in the hot water building systems
Este trabalho aborda detalhadamente a incidência da utilização do chuveiro elétrico nos sistemas prediais de água quente, face à necessidade da produção de água quente para banho nas edificações. Também é quantificado o impacto, em porcentagem do gasto de eletricidade, que estes aparelhos têm no consumo residencial em função das regiões geog
Publicado em: 2005