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Wyszukujesz frazę "multi-engine" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The identification of toxic compound emission sensitivity as a diagnostic parameter during dynamic processes of the marine engine
Autorzy:
Zadrąg, R.
Kniaziewicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/2073657.pdf
Data publikacji:
2015
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
diagnostic
theory of experiments
marine diesel engine
exhaust gas toxicity
multi-equation models
Opis:
Changing some parameters of the engine structure alters the emission of harmful components in the exhaust gas. This applies in particular to the damage of charge exchange system as well as fuel system and engine supercharger. These changes are much greater during the dynamic states and their accompanying transitional processes. The different sensitivity of diagnostic parameters to the same force, coming from the engine structure, but realized in other loading conditions can be discussed. Presented in the paper is a model of the engine diagnostic, in which symptoms are indicators of diagnostic and emission characteristics of gaseous exhaust components. For the purpose of the paper the parameters were taken as the dominant structure in the change of fuel injection timing. The diagnostic engine model, based on the theory of multi-equation models, was supplemented by the results of the tests on the single-cylinder research engine ZS. Also proposed is a measure of the sensitivity of the diagnostic parameter during dynamic processes. The following paper is building on the problem previously published by the authors in [X].
Źródło:
Journal of Polish CIMEEAC; 2015, 10, 1; 161--170
1231-3998
Pojawia się w:
Journal of Polish CIMEEAC
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Creating a ranking of diagnostic parameters for the dynamic process of marine combustion engine in the aspect of multi-criteria evaluations
Autorzy:
Zadrąg, R.
Powiązania:
https://bibliotekanauki.pl/articles/2073645.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
diagnostic
marine diesel engine
exhaust gas toxicity
multi-equation models
diagnostyka
silnik Diesla
toksyczność spalin
modele wielorównaniowe
Opis:
The change of some of the engine’s structural parameters affects the change of toxic compound emission in exhaust gases. It mainly applies to the damage sustained by the charge exchange system as well as the fuel system and the engine supercharging system. These changes are definitely higher during dynamic states and the related transient states. As such, it is possible to speak of a diverse sensitivity of the diagnostic parameters on the exact same excitations which come from the structure of the engine but are realized in other states of load. In the paper presented is the diagnostic model of an engine, based on the theory of multi-equation models, in which the diagnostic symptoms are the indices and characteristics of exhaust gas compound emissions. For the sake of this paper, the modal value of the structure parameters was assumed to be the change in the angle of advance of the fuel injection. The diagnostic model of the engine was supplemented with the results of research conducted on a station equipped with a single cylinder CI test engine. In previous works of the author, the information capacity index method (the Hellwig method) was suggested for the measurement of the sensitivity of a diagnostic parameter. Based on this method, a ranking of diagnostic parameters can be created, which divides the collection of diagnostic transients into stimulators, destimulators and nominants. This normalization of the collection seems to be helpful during making a diagnostic decision.
Źródło:
Journal of Polish CIMEEAC; 2016, 11, 1; 211--218
1231-3998
Pojawia się w:
Journal of Polish CIMEEAC
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exhaust emissions evaluation for multi-role fighter aircraft operation
Autorzy:
Merkisz, J.
Markowski, J.
Pielecha, J.
Jasinski, R.
Wirkowski, P.
Slusarz, G.
Powiązania:
https://bibliotekanauki.pl/articles/2073639.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
exhaust emissions
harmful compounds
aircraft operation
turbine engine
multi-role aircraft
emisje spalin
związki szkodliwe
silnik turbinowy
samolot wielozadaniowy
Opis:
Multi-role aircraft as a technical object of a certain functional purpose and operating characteristics resulting from its construction, affects the operating environment mechanically, as a source of disturbance of the medium in which it moves and chemically, by generating the emission of harmful substances resulting from the need to use consumable fuels. Operation of multi-role aircraft, in contrast to civil aircraft, is characterized by high volatility of flight data resulting from the diversity of performed tasks. Therefore it seems desirable to attempt the ecological evaluation of the drive in terms of emissions on the basis of a dedicated test for a particular group of aircraft. An attempt at such an assessment is presented in this article.
Źródło:
Journal of Polish CIMEEAC; 2016, 11, 1; 117--130
1231-3998
Pojawia się w:
Journal of Polish CIMEEAC
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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