Mixtures Of Fuels
Mostrando 1-12 de 19 artigos, teses e dissertações.
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1. Quantification and qualification of exhaust gases in agricultural diesel engine operating with biodiesel mixtures
RESUMO Motores de ciclo diesel são amplamente utilizados em máquinas agrícolas. O biodiesel oferece a possibilidade de substituição parcial ou total do diesel mineral, reduzindo assim a dependência da agricultura desse recurso não renovável e diminuindo as emissões de poluentes. O objetivo deste estudo foi avaliar as emissões de CO, NOx, SO2, CO2 e
Rev. bras. eng. agríc. ambient.. Publicado em: 09/09/2019
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2. USO DA ESPECTROFOTOMETRIA UV-VIS PARA DIFERENCIAR AS COLORAÇÕES DO BIODIESEL DE PALMA E DO CORANTE MARCADOR DE ÓLEO DIESEL
Currently, there are two mixtures of biodiesel/diesel fuel sold in Brazil: BX/S500 and BX /S10 (X = volume/volume biodiesel percentage; S500 and S10 = sulfur content in diesel fuels - 500 ppm and 10 ppm, respectively). In order to differentiate these mixtures, red dye is added to diesel oil as required by the National Agency for Petroleum, Natural Gas and Bi
Quím. Nova. Publicado em: 2017-08
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3. Viscosities and viscosity deviations of binary mixtures of biodiesel + petrodiesel (or n-hexadecane) at different temperatures
Viscosities of four binaries mixtures [soybean biodiesel + diesel oil (or n-hexadecane) and coconut biodiesel + diesel oil (or n-hexadecane)] have been determined at T = (293.15, 313.15, 333.15, 353.15, 373.15) K and atmospheric pressure over the entire composition range. Experimental data were fitted to the Andrade equation and the adjustable parameters and
Braz. J. Chem. Eng.. Publicado em: 2012-09
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4. DESEMPENHO EM DINAMÔMETRO E EMISSÕES RESIDUAIS DE UM MOTOR DE TRATOR AGRÍCOLA OPERANDO COM MISTURAS BINÁRIAS DE ÓLEO DIESEL B5 E BIODIESEL DE ÓLEO DE FRANGO / PERFORMANCE IN DYNAMOMETER AND EMISSIONS OF WASTE AN AGRICULTURAL TRACTOR ENGINES OPERATING WITH BINARY MIXTURES B5 DIESEL AND BIODIESEL OIL CHICKEN
Brazil, the third largest producer of biodiesel in the world, and also the third largest producer of chicken, may increase in some regions, the use of oil derived from birds, as an alternative to fossil fuels. In order to increase the range of options to reduce dependence on soybean oil for that purpose, and fostering environmental aspects, it is possible to
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2011
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5. On the predictability of chemical kinetics for the description of the combustion of simple fuels
This work presents a systematic comparison between several detailed chemical kinetic models recently developed and available experimental data. The aim is to assess the predictive capabilities of the combustion with air of the following fuels: hydrogen, methane, ethanol and liquefied petroleum gas, in a large range of equivalence ratio. The prevailing thermo
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2011-12
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6. Corrosão metálica associada ao uso de combustíveis minerais e biocombustíveis
Fuels and biofuels have a major importance in the transportation sector of any country, contributing to their economic development. The utilization of these fuels implies their closer contact to metallic materials, which comprise vehicle, storage, and transportation systems. Thus, metallic corrosion could be related to fuels and biofuels utilization. Special
Química Nova. Publicado em: 2009
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7. Estudo de tratamento de interface proveniente de polidutos
The São Paulo Brasília Pipeline (OSBRA), owed by PETROBRAS, starts at the Planalto Refinery (REPLAN) and supplies gasoline, Diesel oil and liquefied petroleum gas (LPG) to the mid-west region of Brazil. The pipeline is 786 kilometers long with diameter of 20 inches in its first segment and 178 kilometers with 12 inches of diameter in the second. The fuels
Publicado em: 2009
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8. Reologia de Biodiesel de origens diversas e das misturas Diesel/Biodiesel
Cost and depletion of petroleum derived fuels are increasing, thus alternative fuels are quite required. Biodiesel (B100), which is comprised of fatty acid methyl (or ethyl) esters (FAMEs/FAEEs) derived from vegetable oils, animal fats or waste oils mainly through transesterification, is an alternative source of energy. It is renewable, available locally, bi
Publicado em: 2008
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9. Capacitive microsensor for evaluation of the quality of automotive fuels. / Micro-sensor capacitivo para avaliação da qualidade de combustíveis automotivos.
This work proposes a capacitive sensor with interdigitated electrodes in order to evaluate the quality of automotive fuel. Interdigitated electrodes have some interesting features for this type of sensor. Among them, they increase the capacitance by having several capacitors in parallel, and by having a structure feasible to be manufactured by conventional m
Publicado em: 2008
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10. Compostos de Cério como Redutores de Fuligem no Uso de Biodiesel como Combustível / Compostos de cério como redutores de fuligem no uso de biodiesel como combustível
In the work, the complex Ce(hdacac)6·xH2O (x0-2) was synthesized in order to produce an additive capable of reducing soot, that is emitted from the combustion of diesel, biodiesel and its mixtures in compression engines. The complexes were produced from a new ligand, 3-hexadecylpentane-2,4-dione (hdacac), that has a long alkyl chain and two carbonyl groups
Publicado em: 2008
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11. Verification of diesel fuel lubricity behavior with addition of ethanol. / Verificação do comportamento da lubricidade do óleo diesel veicular com adição de etanol.
A study in the lubricity behavior of blends of anhydrous ethanol in diesel fuel was carried on using the High Frequency Reciprocating Rig method, which is usually employed for predicting the wear that the fuel injection system of a diesel powered vehicle is subjected due to the degree of lubrication provided by the fuel. The addition of anhydrous ethanol to
Publicado em: 2007
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12. The performance of a diesel engine using diesel and biodiesel mixtures / Desempenho Comparativo de um Motor de Ciclo Diesel Utilizando Diesel e Misturas de Biodiesel
Brazil is considered a country of an incommensurable biodiversity, justifying in this way, its enormous variety in oleaginous. It is considered that, in a close future, the petroleum reservations economically viable will tend to the shortage. Beside it, the exacerbated current price levels of the petroleum barrel in the international market, the possibility
Publicado em: 2006