2010
DOI: 10.1590/s1413-70542010000100024
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Desempenho de um conjunto motogerador adaptado a biogás

Abstract: Federal de Lavras. O objetivo foi desenvolver e avaliar um sistema de alimentação de um motor estacionário com biogás. Foi utilizado um motor de 4 tempos com 4077 W de potência nominal à rotação de 4200 rpm acoplado a um gerador de 2400 W com rotação operacional de 3600 rpm. O biogás utilizado foi produzido em um biodigestor modelo indiano a partir de esterco bovino, contendo, em média, 63 % de metano. Os experimentos foram realizados com o motor operando, inicialmente, a gasolina na sua versão original e, pos… Show more

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Cited by 10 publications
(11 citation statements)
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“…Thus, this index was affected by a relatively low efficiency of combustion engines. According to the calorific value of natural gas and electric-driven engine tests, which were carried out under the same operating conditions, average engine thermal efficiency was 20%, corroborating results from SOUZA et al (2010) for small power-generators and singlecylinder engines powered with natural gas and biogas.…”
Section: Rossa and Bazzosupporting
confidence: 72%
“…Thus, this index was affected by a relatively low efficiency of combustion engines. According to the calorific value of natural gas and electric-driven engine tests, which were carried out under the same operating conditions, average engine thermal efficiency was 20%, corroborating results from SOUZA et al (2010) for small power-generators and singlecylinder engines powered with natural gas and biogas.…”
Section: Rossa and Bazzosupporting
confidence: 72%
“…Embora o coeficiente de variação esteja acima de 10 para ambos os tratamentos, podemos afirmar que o sistema comportou-se bem quanto ao parâmetro rendimento. Souza et al (2010)…”
Section: -330punclassified
“…O uso do biogás como fonte alternativa para a geração de energia elétrica para diferentes períodos de geração é economicamente viável, embora o aumento da demanda de energia elétrica na propriedade rural aumenta o Valor Presente Líquido (VPL) e diminui o tempo de retorno do investimento (MARTINS;OLIVEIRA, 2011). Souza et al (2010) avaliaram o desempenho de um conjunto motor gerador adaptado para biogás contendo, em média, 63 % de metano. Os testes foram realizados com o motor operando, inicialmente, a gasolina na sua versão original e, posteriormente, com o sistema de alimentação à biogás.…”
Section: Introductionunclassified
“…The supply of energy components is directly related to a nation's development (SOUZA et al, 2010). According to data from the National Energy Balance for the year 2004, the main sources of energy for consumption in the agricultural sector were diesel oil (58%), firewood (26%), electricity (15%) and other sources (1%) (BRASIL, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…Some gases can, to a lesser concentration, compose the biogas, such as hydrogen sulfide, nitrogen, hydrogen and carbon monoxide; however, its main constituents are methane (60-80% v/v) and carbon dioxide (20-40% v/v) (SOUZA et al, 2010). Methane is the main component of biogas and different percentages can be obtained by using various raw materials (PRADO & CAMPOS, 2008).…”
Section: Introductionmentioning
confidence: 99%