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Wyszukujesz frazę "inlet pipe" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Modelling of the inlet system and examination of the effect of inlet pipe length on engine operation parameters
Autorzy:
Lisowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/242249.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
inlet pipe
wave phenomena
modelling
power
torque
Opis:
In the paper are presented assumptions for developing a computational model of engine inlet system. The aim of developing an inlet system model will be determination of the effect of different factors on the value of engine filling coefficient and, what is connected with that, on the parameters of its operation. Intention of the author is that a model developed will be of developmental character and would be capable of being expanded by further components enlarging the range of its applications. In the paper are also presented the results of test bed examinations for the SW-680 engine with the inlet system enabling modiflcation of the length of inlet pipes. Findings are presented in the form of external characteristics where the effect of inlet pipe length on such parameters like power or torque, as well as on the rotational speed at which a maximum torque, is visible. The effect of inlet pipe length on torque rotational speed can be of significant importance in case of a possibility ofshaping the engine characteristic and matching the area of engine operation with vehicle operating conditions, which is presented on universal characteristics in the form of resistance-to-motion lines. Test bed examinations have also served a purpose of verifying the model developed. The author is aware of the fact that the model presented requires further development. After considering certain corrections, it will be possible to develop a working computer programme being of use in simulation tests for the inlet systems of different engines.
Źródło:
Journal of KONES; 2009, 16, 2; 271-278
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation analysis of the effect of inlet pipe diameter on the cylinder filling of compression-ignition engine
Autorzy:
Lisowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/247788.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
inlet pipe diameter
in-cylinder mass
numerical model
inlet system
simulation
combustion engines
Opis:
In this paper are presented the basic problems accompanying the flow of charge through compression-ignition engine inlet system. The flow of medium through inlet pipe to cylinder was assumed to be one-dimensional and described with mass, momentum and angular momentum conservation eąuations and energy consLrvation law. On the other hand, a zero-dimensional model described by mass-energy conservation equations was used to determine parameters of the medium in total cylinder volume. Simulations were carried out with the use of numerical programme in which McCormack's explicit method was applied to solve differential equations describing the flow of charge in inlet system. The McCormack explicit technique was used due to the fact that an earlier attempt at solving a numerical problem with the method of lines had not yielded desired effects in view of high instability. Simulation aimed at determining the mass of air remaining in engine cylinder after inlet valve closure. Simulation results are presented in the form of in-cylinder air mass versus crank angle characteristics for different inlet pipe diameters. The study results are also presented in the form of a summary table and a summary diagram, the latter enabling a comparison of results for different inlet pipe diameters.
Źródło:
Journal of KONES; 2010, 17, 4; 295-302
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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