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Tytuł:
Charge exchange control in a SI engine by early exhaust valve closing
Autorzy:
Żmudka, Z.
Postrzednik, S.
Przybyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/248009.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
spark-ignition engine
variable valve actuation
early exhaust valve closing
open theoretical cycle
charge exchange process
exhaust gas recirculation (EGR)
Opis:
The paper tackles the problems connected with the charge exchange in internal combustion engines. The theoretical analysis of the charge exchange process in the SI engine has been presented. A system with independent, early exhaust valve closing has been analysed. The analysed system enables realization of an internal EGR and elimination of a throttling valve from an inlet system and reduce the charge exchange work, especially within the range of partial load. The decrease of the charge exchange work leads to an increase of the internal and effective works, which results in an increase of the effective efficiency of the spark ignition engine. The open, theoretical cycle has been assumed as a model of processes proceeding in an engine. The system has been analysed individually and comparatively with open Seiliger-Sabathe cycle. Benefits resulting from application of the system with early exhaust valve closing have been assessed on the basis of the selected parameters: a fuel dose, a cycle work, a relative charge exchange work and a cycle efficiency. The best results within decrease of fuel consumption and increase of cycle efficiency are obtained for low engine load. The main parameters characterizing the process of the internal exhaust gas recirculation were also determined. These are the ratio and the multiplicity of the exhaust gas recirculation.
Źródło:
Journal of KONES; 2013, 20, 1; 387-394
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy aspects of the SI engine load adjustment by early closing of inlet or exhaust valve
Autorzy:
Żmudka, Z.
Postrzednik, S.
Przybyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/246087.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
spark-ignition engine
engine load
variable valve actuation
early valve closing
open theoretical cycle
Opis:
The theoretical analysis of the SI engine load adjustment has been presented. The load especially in SI engine is highly dependent on the process of charge exchange. This process has significant impact on the effectiveness of an engine work because it is connected with the necessity of overcoming the flow resistance, then with the necessity of doing a work, so-called the charge exchange work. The flow resistance caused by throttling valve is especially high during part load operation. The open theoretical cycle has been assumed as a model of processes proceeding in the engine. Using fully variable inlet and exhaust valves timing the cycle can be realized e.g. according to two systems: system with early inlet valve closing (EIVC) and system with early exhaust valve closing (EEVC). Both systems have been analysed individually and comparatively with the open Seiliger-Sabathe cycle, which is theoretical cycle for the classical throttle governing of an engine load. Benefits resulting from application of the systems with independent inlet and exhaust valves control have been assessed on the basis of the selected parameters: a fuel dose, a cycle work, a charge exchange work and a cycle efficiency. The use of the analysed systems to governing of the SI engine load will enable to eliminate a throttling valve from inlet system and reduce the charge exchange work, especially within the range of part load operation. Decrease of the charge exchange work leads to increase of the internal and effective works, which results in increase of the effective efficiency of the spark ignition engine. Additionally, the EEVC enables realization of the internal EGR.
Źródło:
Journal of KONES; 2016, 23, 4; 583-590
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Late intake valve closing as a way of the throttleless control of SI engine load
Autorzy:
Żmudka, Z.
Postrzednik, S.
Przybyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/247952.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
spark-ignition engine
variable valve actuation
late intake valve closing
open Atkinson-Miller cycle
charge exchange process
cycle efficiency
Opis:
The paper tackles the problems connected with the charge exchange in internal combustion engines. The theoretical analysis of the charge exchange process in the SI engine has been presented. The realization of the charge exchange process is connected with the necessity of overcoming the flow resistances, then with the necessity of doing a work, so-called the charge exchange work. The flow resistance caused by throttling valve is especially high at the partial load running of an engine. A system with independent, late intake valve closing has been analysed. The use of the analysed system to governing of an engine load will enable to eliminate a throttling valve from inlet system and reduce the charge exchange work, especially within the range of partial load. The decrease of the charge exchange work leads to an increase of the internal and effective works, which results in an increase of the effective efficiency of the spark ignition engine. The open, theoretical Atkinson-Miller cycle has been assumed as a model of processes proceeding in the engine with variable intake valve actuation. The system has been analysed individually and comparatively with open Seiliger-Sabathe cycle, which is theoretical cycle for the classic throttle governing of engine load. Benefits resulting from application of the system with late intake valve closing have been assessed on the basis of the selected parameters: a fuel dose, a cycle work, relative charge exchange work and cycle efficiency.
Źródło:
Journal of KONES; 2012, 19, 1; 491-499
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Realization of the Atkinson-Miller cycle in spark-ignition engine by means of the fully variable inlet valve control system
Autorzy:
Żmudka, Z.
Postrzednik, S.
Przybyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/240220.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
spark-ignition engine
variable inlet valve control
open theoretical cycle
charge exchange process
silnik o zapłonie iskrowym
zawór
otwarty obieg teoretyczny
wymiana ładunku
Opis:
The theoretical analysis of the charge exchange process in a spark ignition engine has been presented. This process has significant impact on the effectiveness of engine operation because it is related to the necessity of overcoming the flow resistance, followed by the necessity of doing a work, so-called the charge exchange work. The flow resistance caused by the throttling valve is especially high during the part load operation. The open Atkinson-Miller cycle has been assumed as a model of processes taking place in the engine. Using fully variable inlet valve timing the A-M cycle can be realized according to two systems: system with late inlet valve closing and system with early inlet valve closing. The systems have been analysed individually and comparatively with the open Seiliger-Sabathe cycle which is a theoretical cycle for the classical throttle governing of the engine load. Benefits resulting from application of the systems with independent inlet valve control have been assessed on the basis of the selected parameters: fuel dose, cycle work, charge exchange work and a cycle efficiency. The use of the analysed systems to governing of the SI engine load will enable to eliminate a throttling valve from the system inlet and reduce the charge exchange work, especially within the range of part load operation.
Źródło:
Archives of Thermodynamics; 2014, 35, 3; 191-205
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Throttleless control of SI engine load by fully flexible inlet valve actuation system
Autorzy:
Żmudka, Z.
Postrzednik, S.
Przybyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/133835.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
spark-ignition engine
variable valve actuation
early inlet valve closure
theoretical cycle
charge exchange process
cycle efficiency
silnik o zapłonie iskrowym
cykl teoretyczny
wydajność cyklu
Opis:
A system with independent, early inlet valve closure (EIVC) has been analysed. The open, theoretical cycle has been assumed as a model of processes proceeding in the engine with variable inlet valve actuation. The system has been analysed individually and comparatively with open Seiliger-Sabathe cycle which is theoretical cycle for the classic throttle governing of engine load. The influence of EIVC on fuel economy, cycle work, relative charge exchange work and cycle efficiency has been theoretically investigated. The use of the analysed system to governing of an engine load will enable to eliminate a throttling valve from inlet system and reduce the charge exchange work, especially within the range of partial load. The decrease of the charge exchange work leads to an increase of the internal and effective works, which results in an increase of the effective efficiency of the spark ignition engine.
Źródło:
Combustion Engines; 2016, 55, 1; 44-48
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ uszkodzeń w układzie dolotowym powietrza na sterowanie silnikiem spalinowym
The impact of defects of air intake system of internal combustion engine
Autorzy:
Wołczyński, Z.
Komorska, I.
Borczuch, A.
Powiązania:
https://bibliotekanauki.pl/articles/309637.pdf
Data publikacji:
2016
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
sterowanie silnikiem spalinowym
układ dolotowy silnika
silnik spalinowy o zapłonie iskrowym
engine control
air intake system
spark ignition engine
Opis:
W pracy zasymulowano uszkodzenia w układzie dolotowym powietrza silnika o zapłonie iskrowym z bezpośrednim wtryskiem paliwa, które nie są wykrywalne przez system diagnostyki pokładowej samochodu, ale wyczuwalne przez użytkownika jako spadek mocy silnika lub jego nierównomierną pracę. Artykuł omawia wpływ badanych uszkodzeń na wskazania czujników w układzie dolotowym oraz na sterowanie silnikiem.
The work is devoted to simulation of defects of the air intake system of spark ignition engine with gasoline direct injection (GDI), that are not recognized by on-board system diagnostics. The car user can feel them as loss of engine power or jerking. The article discusses the impact of the investigated damage to the sensor readings and engine control.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2016, 17, 12; 1487-1490
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Real-time implementation of multiple model based predictive control strategy to air/fuel ratio of a gasoline engine
Autorzy:
Wojnar, S
Polóni, T
Šimončič, P
Rohal’-Ilkiv, B
Honek, M
Csambál, J
Powiązania:
https://bibliotekanauki.pl/articles/229632.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
model predictive control
multiple models
air/fuel ratio
spark ignition engine
ARX models
Opis:
Growing safety, pollution and comfort requirements influence automotive industry ever more. The use of three-way catalysts in exhaust aftertreatment systems of combustion engines is essential in reducing engine emissions to levels demanded by environmental legislation. However, the key to the optimal catalytic conversion level is to keep the engine air/fuel ratio (AFR) at a desired level. Thus, for this purposes more and more sophisticated AFR control algorithms are intensively investigated and tested in the literature. The goal of this paper is to present for a case of a gasoline engine the model predictive AFR controller based on the multiple-model approach to the engine modeling. The idea is to identify the engine in particular working points and then to create a global engine's model using Sugeno fuzzy logic. Opposite to traditional control approaches which lose their quality beside steady state, it enables to work with satisfactory quality mainly in transient regimes. Presented results of the multiple-model predictive air/fuel ratio control are acquired from the first experimental real-time implementation on the VW Polo 1390 cm3 gasoline engine, at which the original electronic control unit (ECU) has been fully replaced by a dSpace prototyping system which execute the predictive controller. Required control performance has been proven and is presented in the paper.
Źródło:
Archives of Control Sciences; 2013, 23, 1; 93-106
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The environmental safety of the Fiat 0.9 TwinAir compressed natural gas engine
Autorzy:
Warianek, Michał G.
Lejda, Kazimierz
Powiązania:
https://bibliotekanauki.pl/articles/263728.pdf
Data publikacji:
2020
Wydawca:
Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
Tematy:
spark ignition engines
gas engines
CNG engine
load characteristics
emission of gas engines
Opis:
The article presents the results of measurements of concentrations of selected exhaust components of the Fiat 0.9 TwinAir spark ignition engine operating according to load characteristics. The tested engine has an indirect, multi-point petrol supply system and has been retrofitted with an indirect CNG injection system. The results of the tests are a comparison of selected economic, ecological and energetic indicators of engine operation obtained when fuelled with CNG and 95 octane petrol. The operation of the engine fuelled with gaseous fuel was preceded by autocalibration of the controller of the fuelling system. The article presents the results of tests of concentrations of harmful components of exhaust gases: carbon dioxide CO2 , carbon monoxide CO, nitrogen oxides NOx and HC hydrocarbons. Moreover, the values of lambda λ air excess coefficient are presented and fuel consumption is compared. The obtained results of the tests of the engine fuelled with CNG gas show a significant decrease in the value of the obtained torque in comparison to the engine torque when fuelled with petrol. The engine fuelled with compressed natural gas contributed to the improvement of its ecological properties and a reduction of fuel consumption, which are important factors of ecological and energy safety. Exhaust gas analysis showed a reduction in the concentration of harmful components of exhaust gases, mainly hydrocarbons and nitrogen oxides. A positive effect of the operation of the engine powered by CNG was also a significant reduction of carbon dioxide in the exhaust gases compared to the engine powered with gasoline.
Źródło:
Archiwum Motoryzacji; 2020, 88, 2; 47-60
1234-754X
2084-476X
Pojawia się w:
Archiwum Motoryzacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conceptual design of adaptation of the mechanical fuel injection unit assembly for electronic control
Projekt koncepcyjny adaptacji mechanicznego zespołu wtryskowego do sterowania elektronicznego
Autorzy:
Warguła, Ł.
Krawiec, P.
Waluś, K. J.
Kukla, M.
Powiązania:
https://bibliotekanauki.pl/articles/310698.pdf
Data publikacji:
2017
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
vehicle drive system
fuel-air mixture
combustion engine
spark ignition
układ napędowy pojazdu
mieszanka paliwowo-powietrzna
silnik spalinowy
zapłon iskrowy
Opis:
Ecological, economic and exploitation requirements force manufacturers to develop propulsion systems. In the combustion engines with spark ignition for use in non-road mobile machines, it is common to use fuel supplied systems with carburetors. The mechanical adjustment process of the fuel-air mixture makes it difficult to automate the processes using these engines, one of which is the German 390 engine. The paper presents the concepts of automation solutions to control the fuel-air mixture process. The paper also shows advantages and disadvantages of the construction solutions of transferring motion between the throttle damper actuator and the throttle flap injection unit 30 MM4 by Weber. Among the mentioned solutions were characterized: gear transmission, strand transmission with cogbelt, lever mechanism, solid coupling. In addition, the article presents a prototype solution using strand transmission with cogbelt.
Wymagania ekologiczne, ekonomiczne i eksploatacyjne wymuszają na producentach rozwój konstrukcji układów napędowych. W silnikach spalinowych o zapłonie iskrowym w zastosowaniu do pozadrogowych maszyn ruchomych powszechne jest zasilanie paliwem z wykorzystaniem gaźników. Mechaniczny proces regulacji składu mieszanki paliwowo-powietrznej utrudnia automatyzację procesów z wykorzystaniem tych silników, których jednym z reprezentantów jest silnik German 390. W pracy przedstawiono koncepcje rozwiązań automatyzacji procesu sterowania mieszanką paliwowo-powietrzną. Wykazano wady i zalety zastosowanych rozwiązań konstrukcyjnych przekazania ruchu między aktorem napędzającym klapę przepustnicy, a klapą przepustnicy zespołu wtryskowego 30 MM4 firmy Weber. Wśród wymienionych rozwiązań scharakteryzowano: przekładnie zębatą, przekładnie cięgnową z pasem zębatym, mechanizm dźwigniowy, sprzęgło sztywne. Ponadto przedstawiono prototyp rozwiązania z wykorzystaniem przekładni cięgnowej z pasem zębatym.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 12; 1381-1386, CD
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of a method for finding the optimal solution when upgrading a motorcycle engine
Autorzy:
Vrublevskyi, Oleksandr
Wojnowski, Radomir
Powiązania:
https://bibliotekanauki.pl/articles/298245.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
spark ignition engine
thermodynamic cycle simulations
optimization
design of experiments
DoE
Monte Carlo method
Nonlinear Programming Quadratic Line search
NLPQL
Opis:
This paper describes a method for finding the optimal parameters of a spark-ignition engine gas exchange system for a motorcycle. The vectors of the initial data for filling the parameter space, in which the search for the optimal solution has been made, have been formed through methods of experiment planning and technique nonlinear programming quadratic line search. As the quality criteria, the engine power has been used at selected points of the external speed characteristic. The results of the work have shown how using the proposed optimization method allows modernization of a gas exchange systems in order to increase the engine power.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2019, 22(2); 135-149
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Visualization of auto-ignition of end gas region without knock in a spark-ignition natural gas engine
Autorzy:
Tomita, E.
Kawahara, N.
Zheng, J.
Powiązania:
https://bibliotekanauki.pl/articles/246275.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
knock
spark-ignition engine
homogeneous mixture
visualization
natural gas
End Gas Region
Opis:
It is important to increase thermal efficiency in a spark-ignition engine for reducing carbon dioxide gas in exhaust emissions. One of the solutions is to increase the compression ratio of the engine. Then, knock is a barrier in increasing in compression ratio because of higher pressure and unburned gas temperature in the end gas region. Therefore, there have been many studies on knock. However, there was an interesting phenomenon under some conditions in a gas engine. There is no pressure oscillation in the end stage of combustion and rate of heat release increased. It is considered that the auto-ignition in the end gas region occurs without knock. In this study, the combustion behavior in the end gas region was visualized with an ultra-high-speed camera. In normal combustion case, the flame propagates in the end gas region. In the knock case, the auto-ignited part burns suddenly and leads pressure oscillation. Under the critical conditions, some shows knock and some shows normal flame propagation. However, in some cases, even if auto-ignition occurs, pressure wave is not produced. Then there is no pressure oscillation, that is, mild auto-ignition without knock can be confirmed. And the rate of heat release shows two peaks. The first peak is due to flame propagation and the second peak is due to auto-ignition in the end gas region. The combustion near the end stage become short and thermal efficiency is expected to be increased because of increase in degree of constant-volume.
Źródło:
Journal of KONES; 2010, 17, 4; 521-527
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:
CFD tests of the exhaust system of a sports motorcycle
Autorzy:
Tkaczyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/247314.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
CFD
speedway
spark ignition engine
Opis:
The content of this article describes the area of the operation of speedway racing motorcycles, it reflects the specific use, and thus, the special requirements placed on the internal combustion engines used there. Then, a research tool is presented in the form of Computational Fluid Dynamics methods. The article presents basic equations as a base for software, and emphasizes the essence and necessity of adequate selection of turbulence models. Presentation of the work tool is crowned with a brief description of the application in the form of Ansys numerical analysis software and a specific place and possibilities of its application. The practical part describes the work carried out during the tests of a GM 500 type combustion engine and attempts to compare two types of exhaust systems whose advantages and disadvantages in analytical calculations are difficult to determine, whereas CFD tests accurately represent pressure fields, velocities and the most important parameter in the form of resistance of the exhaust system. The article is crowned with the results of tests enabling determination and selection of the exhaust system with lower flow resistance and recommendations adjusting the exhaust system to a specific engine.
Źródło:
Journal of KONES; 2018, 25, 4; 429-436
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ehksperimentalnoe issledovanie osobennostejj raboty iskrovogo DVS s sistemojj termokhimicheskojj parovojj konversii bioehtanola
Experimental research of work spark ice with bioethanol steam thermochemical conversion
Autorzy:
Timoshevsky, B.
Tkach, M.
Mitrofanov, A.
Poznansky, A.
Proskurin, A.
Powiązania:
https://bibliotekanauki.pl/articles/78226.pdf
Data publikacji:
2013
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
bioethanol
steam conversion
spark ignition engine
energy index
reactor
experimental research
Opis:
It is described a construction and an operating principle of the experimental plant for spark engine operation study with system of bioethanol steam thermochemical conversion. The main energy indicators of thermochemical reactor and the properties of the synthesis gas with a different composition, flow of the mixture and the reactor power are received.
Źródło:
Motrol. Motoryzacja i Energetyka Rolnictwa; 2013, 15, 2
1730-8658
Pojawia się w:
Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paliwowe komponenty depolimerowe do silnika o ZI
Fuel depolymerization components for the spark ignition engine
Autorzy:
Swat, M.
Powiązania:
https://bibliotekanauki.pl/articles/257663.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Eksploatacji - Państwowy Instytut Badawczy
Tematy:
paliwo silnikowe
silnik o ZI
ekologia
engine fuel
spark ignition engine
ecology
Opis:
Przedstawiono wyniki własnych badań silnikowych nad zastosowaniem komponentów depolimerowych jako paliwa do silnika o ZI. W wyniku przeprowadzonych badań stwierdzono, że ze względów eksploatacyjnych najlepszym komponentem paliwowym jest dodatek 10% benzyny X i 20% benzyny Y z DTS (depolimeryzacji tworzyw sztucznych). Stwierdzono, że 20% dodatek benzyn X i Y z DTS jest wielkością graniczną, powyżej której efekty w ograniczaniu emisji CO i HC nie rekompensują wzrostu emisji NOx i wyraźnego pogorszenia parametrów eksploatacyjnych pracy silnika.
Research results of the application of depolymerization components as a fuel to the spark ignition engine are presented. The research determined that the best fuel components for the operational conditions are the 10% gasoline X additive and the 20% gasoline Y additive with PD (Plastics Depolymerization). The 20% value gasoline X and Y additives with PD is the limiting value. Below this value, the effects in reducing CO and HC did not compensate for the increase NOx emissions and there was a clear deterioration in the operational performance of the engine.
Źródło:
Problemy Eksploatacji; 2009, 3; 151-162
1232-9312
Pojawia się w:
Problemy Eksploatacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 86

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