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Mostrando ítems 11-20 de 146
Simulação de curvas de rendimento do motor de combustão interna do ciclo Otto
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de MecânicaEngenharia MecânicaUTFPR, 2015-02-23)
This paper presents a mathematical modeling of performance curves in internal combustion engine of the Otto cycle, using two types of fuels and diferente combustion times. Important performance parameters were discussed, ...
Modelo ar-combustível de tempo finito de adição de calor de motores Otto
(Universidade Tecnológica Federal do ParanáGuarapuavaBrasilEngenharia MecânicaUTFPR, 2017-06-29)
The air standard internal combustion engines study assumes that several thermodynamic properties for the work fluid are constant, and also admits this fluid is pure air or ideal gases. Clearly, the error from using this ...
Investigação dos efeitos da razão ar-combustível na performance de um motor de ignição por centelha operando em carga parcial com hidrogênio
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2023-07-13)
Alternative fuels drive research in internal combustion engines to reduce carbon emissions and
environmental impact caused by the mobility sector. With this aim, this study investigates the
lean operation limits of a ...
Estudo da adaptação de um motor monocilíndrico de ciclo Otto em ciclo Atkinson
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de MecânicaEngenharia MecânicaUTFPR, 2017-06-09)
Internal combustion engines are present in our daily lives, as in cars, buses, trucks, among others. They are used to transform the chemical energy of fuel into mechanical energy. With environmental legislation increasingly ...
Análise do aumento da razão de compressão de motores ciclo Otto
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2014)
The difficulty which is currently in obtaining fuel and mainly used in engines operating in the Otto cycle, therefore we need to get the best possible performance of these types of engines. This work aimed to analyze how ...
Análise experimental dos parâmetros de combustão em um motor turboalimentado
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 219-12-18)
Currently within the context of internal combustion engines, there are several challenges
to increase engine efficiency through new technologies and concepts in the automotive industry,
such as downsizing and turbocharging. ...
First and second thermodynamic law analyses applied to spark ignition engines modelling and emissions prediction
(Springer-Verlag France, 2016-11-01)
A mathematical and numerical model of flow and combustion process for spark ignition engines is developed using the principles of the first and second law of thermodynamic. Availability (exergy) analysis is applied to ...
Characterization of auto-Ignition phenomena in spark ignition internal combustion engine using gaseous fuels obtained from biomassCaracterización de los fenómenos de autoignición en motores de combustión interna por encendido por chispa utilizando combustibles gaseosos obtenidos de biomasa.
(Italian Association of Chemical Engineering - AIDIC, 2019)
Thermodynamic analysis and comparison of downdraft gasifiers integrated with gas turbine, spark and compression ignition engines for distributed power generation
(Elsevier B.V., 2014-05-01)
The objective of the present article is to assess and compare the performance of electricity generation systems integrated with downdraft biomass gasifiers for distributed power generation. A model for estimating the ...
Efectos de la variación de la relación F/A sobre el desarrollo de presión en el interior del cilindro de un MECH
(Ciencia e Ingeniería, 2010)