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Tytuł:
The impact of ignition system damage on the emission of toxic substances in a spark-ignition internal combustion engine
Autorzy:
Dziubiński, Mieczysław
Siemionek, Ewa
Drozd, Artur
Ścirka, Michał
Kiszczak, Adam
Sobota, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/133381.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
spark-ignition internal combustion engine
emission of toxic substances
exhaust standards
ignition system defects
diagnostics
silnik spalinowy o zapłonie iskrowym
emisja substancji toksycznych
normy emisji spalin
uszkodzenia układu zapłonowego
diagnostyka
Opis:
The article discusses the impact of ignition system damage on the emission of toxic subcategories in a spark-ignition internal combustion engine. The aim of the work was to develop an analytical model of ignition system diagnostics, test performance and comparative analysis of the results of simulations and experiments. The model developed allows to analyse the basic parameters of the ignition system affecting the content of toxic substances in the exhaust. Experimental tests were carried out using the MAHA MGT5 exhaust gas analyser for four different combustion engines fueled with petrol at various operating conditions. During the tests, the content of toxic substances in the exhaust gas of a properly working engine and the engine working with damage to the ignition system were registered. The tests will be used to assess the impact of the damage of the spark-ignition engine on the emission of individual components of toxic fumes.
Źródło:
Combustion Engines; 2019, 58, 4; 86-92
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the impact of damage to the injection system on the emission of toxic substances in a spark-ignition internal combustion engine
Autorzy:
Dziubiński, Mieczysław
Siemionek, Ewa
Drozd, Artur
Żur, Paweł
Ścirka, Michał
Tatarynow, Dawid
Powiązania:
https://bibliotekanauki.pl/articles/133801.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
spark-ignition internal combustion engine
exhaust gas toxicity
exhaust gas standards
injection system damage
exhaust gas analyzer
silnik spalinowy o zapłonie iskrowym
toksyczność spalin
normy emisji spalin
uszkodzenie układu wtryskowego
analizator spalin
Opis:
The article presented analyses the impact of damage to the injection system on the emission of toxic subsumes in a spark-ignition internal combustion engine. The work focuses on the basic elements of the injection system, which include injectors, throttle position sensor, coolant temperature sensor and lambda sensor. In addition, a catalytic reactor has been included in the context of its direct cooperation with the injection system under set conditions. The toxicity of exhaust gases of different spark-ignition engines fueled with petrol or gas in determined operating conditions using the MAHA MGT5 exhaust gas analyser was tested. The content of toxic substances in the exhaust gases was recorded for the correct settings of the injection system and for the engine working with damage to this system. The tests carried out will allow to assess the impact of the damage of the injection system on the toxicity of exhaust gases.
Źródło:
Combustion Engines; 2019, 58, 4; 112-118
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bio-oil blended butanol as a fuel to the spark ignition internal combustion reciprocating engine
Autorzy:
Chwist, M.
Szwaja, S.
Grab-Rogaliński, K.,
Pyrc, M.
Powiązania:
https://bibliotekanauki.pl/articles/973120.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
bio-oil
pyrolysis
butanol
IC engine
bioolej
pyroliza
silnik z zapłonem samoczynnym
Opis:
The article presents results on combustion of the bio-oil blended butanol in the spark ignition engine. Bio-oil is a mixture of hydro-carbons condensing to liquified phase while cooling it down to ambient temperature. In general, the liquid called bio-oil is a byproduct of the pyrolysis process of organic matter. Results from analysis presented in the manuscript include the following: in-cylinder pressure traces and toxic exhaust emissions. Finally, comparison of these results with results from combustion of n-butanol reference fuel were provided. Obtained results indicate satisfactory, eco-friendly possibility for utilization of bio-oil in the internal combustion engine.
Źródło:
Combustion Engines; 2017, 56, 2; 93-96
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diagnosing faults in the timing system of a passenger car spark ignition engine using the bayes classifier and entropy of vibration signals
Autorzy:
Czech, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/2203067.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
internal combustion engines
diagnostics
Bayesian classifier
pattern recognition
spark-ignition internal combustion engine
exhaust valve of the internal combustion engine
silniki spalinowe
diagnostyka
klasyfikator bayesowski
rozpoznawanie wzorca
silnik spalinowy z zapłonem iskrowym
zawór wydechowy silnika spalinowego
Opis:
Today's systems for diagnosing the technical condition of machines, including vehicles, use very advanced methods of acquiring and processing input data. Presently, work is being conducted globally to solve related problems. At the moment, it is not yet possible to create a single procedure that would enable the construction of a properly functioning diagnostic system, regardless of the selected object to be diagnosed. Hence, there is a need to conduct further research into the possibility of using already developed methods, as well as their modification to other diagnostic cases. This article presents the results of research related to the use of the Bayes classifier for diagnosing the technical condition of passenger car engine components. Damage to the exhaust valve of a spark ignition engine was diagnosed. The source of information on the technical condition was vibration signals recorded at various measuring points and under different operating conditions of the car. To describe the nature of changes in the vibration signals, the entropy measures were determined for the decomposed signal using the discrete wavelet transform is proposed.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2022, 116; 83--98
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical optimization of the ignition angle of SI engine
Numeryczna optymalizacja zaplonu w silniku spalinowym ZI
Autorzy:
Jamrozik, A.
Powiązania:
https://bibliotekanauki.pl/articles/793708.pdf
Data publikacji:
2011
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
internal combustion engine
ignition advance angle
numerical optimization
fuel mixture
numerical modelling
combustion process
piston engine
spark ignition engine
fuel supply system
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2011, 11
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Model validation of the SI test engine
Walidacja modelu badawczego silnika ZI
Autorzy:
Jamrozik, A.
Powiązania:
https://bibliotekanauki.pl/articles/792417.pdf
Data publikacji:
2013
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
engine test
spark ignition engine
internal combustion engine
numerical analysis
AVL FIRE software
combustion process
crank angle
thermal cycle
modelling
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2013, 13, 2
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research effects of novel combustion system with semi-open combustion chamber using rapid compression machine
Autorzy:
Leżański, T.
Sęczyk, J.
Wolański, P.
Powiązania:
https://bibliotekanauki.pl/articles/245605.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
internal combustion engines
spark ignition
combustion processes
engine combustion systems
combustion process visualization
Opis:
The combustion system with semi open combustion chamber (SOCC) was originally elaborated in Aircraft Engine Department of Warsaw University of Technology. In this system the original combustion chamber of the standard SI engine, was divided by partition in prechamber and main combustion chamber, but yet this division exists only when the piston is close to TDC, on the contrary by the rest of the cycle the chambers are fully open. The system operation mechanism, the visualization research results, the high speed changed of the pressure measurements, was presented in this paper. The influence on the system performances of the different combustion systems parameters: the prechamber volume, the nozzle hole diameter in the partition, the ignition place, the compression ratio, and the ignition advance angle (IAA), on the basis of the research results, using rapid compression machine was presented in this paper. All research results show, that the best results of the system operation can be obtained if the stream outflow from prechamber to main combustion chamber starts when the piston is at TDC, and if the stream energy will be so big to displace all main combustion chamber before the clearance between partition and piston crown was opened. If the system operated correctly, the combustion time shortening, the growth of the maximum cycle pressure, and the combustion efficiency increase were obtained.
Źródło:
Journal of KONES; 2014, 21, 4; 297-310
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-parametric and multi-objective thermodynamic optimization of a spark-ignition range extender ICE
Autorzy:
Toman, R.
Brankov, I.
Powiązania:
https://bibliotekanauki.pl/articles/243112.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
Range Extender
hybrid electric vehicle
battery electric vehicle
internal combustion engine
spark ignition
thermodynamic optimization
genetic algorithm
Opis:
The current legislation pushes for the increasing level of vehicle powertrain electrification. A series hybrid electric vehicle powertrain with a small Range Extender (REx) unit – comprised of an internal combustion engine and an electric generator – has the technical potential to overcome the main limitations of a pure battery electric vehicle: driving range, heating, and air-conditioning demands. A typical REx ICE operates only in one or few steady-states operating points, leading to different initial priorities for its design. These design priorities, compared to the conventional ICE, are mainly NVH, package, weight, and overall concept functional simplicity – hence the costeffectiveness. The design approach of the OEMs is usually rather conservative: parting from an already-existing ICE or components and adapting it for the REx application. The fuel efficiency potential of a one-point operation of the REx ICE is therefore not fully exploited. This article presents a multi-parametric and multi-objective optimization study of a REx ICE. The studied ICE concept uses a well-known and proven technology with a favourable production and development costs: it is a two-cylinder, natural aspirated, port injected, four-stroke SI engine. The goal of our study is to find its thermodynamic optimum and fuel efficiency potential for different feasible brake power outputs. Our optimization tool-chain combines a parametric GT-Suite ICE simulation model and modeFRONTIER optimization software with various optimization strategies, such as genetic algorithms, gradient based methods or various hybrid methods. The optimization results show a great fuel efficiency improvement potential by applying this multi-parametric and multi-objective method, converging to interesting short-stroke designs with Miller valve timings.
Źródło:
Journal of KONES; 2018, 25, 3; 459-466
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High compression spark ignition engine with variable compression ratio using Active Combustion Chamber
Autorzy:
Kubiak, Przemysław
Glogowski, Michal
Soghabatyan, Tigran
Mrowicki, Adam
D'Errico, Gianluca
Powiązania:
https://bibliotekanauki.pl/articles/263279.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
Tematy:
internal combustion engine
theoretical cycle
variable compression ratio
additional volume
active combustion chamber
Opis:
Abstract In this article Authors present the continuation of the calculations for theoretical ACC engine cycle, considering additionally “VCR function” – changeable compression level. For this purpose the self-acting volume change, realized by ACC system, was used. The ACC system was adjusted appropriately to control the compression level. The analysis is based on three cases, representing delayed, premature and optimal reaction of ACC system. Reactions are presented in form of plots with indicated pressure in the combustion chamber. As the result of the conducted analysis and interpretation of obtained graphs, the calculation approach of compression ratio for ACC presented in previous article is being challenged. For the optimal reaction of ACC system, the theoretical operation schematics are devised and presented in the key points of the work. Based on the schematics, the values of theoretical efficiency were calculated for different cycles of theoretical ACC engine, in which regulation of compression ratio takes place. Moreover, the presented analysis includes graphs with optimal courses of indicated pressure for significantly different work parameters of ACC engine, showing its regulation possibilities. Also the time scaled graphs (with millisecond as basic time unit) are presented to show the possibilities of dynamic ACC systems, which are comparable with the combustion time (from 3 to 0,5 ms). In this paper the general discussion is started about the compression ratio in more complex kinematic systems including ACC.
Źródło:
Archiwum Motoryzacji; 2019, 86, 4; 5-26
1234-754X
2084-476X
Pojawia się w:
Archiwum Motoryzacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of indication errors of the SI gas engine with a prechamber
Analiza bledow indykowania gazowego silnika ZI z komora wstepna
Autorzy:
Jamrozik, A.
Powiązania:
https://bibliotekanauki.pl/articles/793719.pdf
Data publikacji:
2011
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
engine
two-stage combustion system
excess air factor
indicated work
gas engine
prechamber
thermal process
internal combustion engine
spark ignition
piston engine
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2011, 11
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
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