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Wyświetlanie 1-15 z 37
Tytuł:
A computational software program for determining the combustion temperatures of solid fuels
Autorzy:
Kowalik, M.
Boryca, J.
Powiązania:
https://bibliotekanauki.pl/articles/102184.pdf
Data publikacji:
2013
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
combustion of solid fuels
combustion temperature
computational software
program
Opis:
The combustion temperature is one of parameters influencing the efficiency of combustion process. The analytical, model and design calculations of processes related to fuel combustion and heat exchange intensity require the combustion temperature to be correctly determined. These are, however, complex, and, as a consequence, burdensome and time-consuming requirements. Developing an appropriate software program will considerably streamline the calculation procedure. Based on analytical relationships for the combustion process, a computational software program has been developed within this study, which enables the determination of the calorimetric, theoretical and actual combustion temperatures of solid fuels.
Źródło:
Advances in Science and Technology. Research Journal; 2013, 7, 18; 60-67
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energetic Performances of Solid Composite Propellants
Autorzy:
Lempert, D.
Nechiporenko, G.
Manelis, G.
Powiązania:
https://bibliotekanauki.pl/articles/357962.pdf
Data publikacji:
2011
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
solid composite propellant
specific impulse
density
combustion temperature
formation enthalpy
Opis:
Different kinds of solid composite propellant (SCP) are described. All ways to increase energetic potential of SCP are considered as well as pro et contra of each of these ways. Different kinds of oxidizer (perchlorates of ammonium, hydroxylammonium, and hydrazinium; ammonium salt of dinitramine; other saltlike and molecular oxidizers) are under consideration. The main principles creation of SCP formulation with optimal characteristics in the context of their concrete purpose are discussed, e.g. for rockets with considerably low ratio propellant volume/empty construction mass (V/M lower than 1 Litr/kg or so) the ballistic effectiveness may be increased with the replacement of aluminum by high-dense zirconium or zirconium hydride. Possibilities for creation of special SCP formulations for application at the far space, e.g. for Mars exploration are discussed as well.
Źródło:
Central European Journal of Energetic Materials; 2011, 8, 1; 25-38
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
NOx and extremely low temperatures of charging
Autorzy:
Hlavna, V.
Kadak, M.
Mruk, A.
Powiązania:
https://bibliotekanauki.pl/articles/243982.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
nitrogen oxides
theoretical analysis
extremely low temperatures
free enthalpy
combustion temperature
Opis:
The basis of basic research consists in the influence monitoring of unconventional (extremely low temperatures) charging intercooling on the selected ecological and economical parameters of a turbocharged internal combustion engine in the specific operational conditions (periodic starts and stops). The paper deals with the influence of the mentioned temperatures from the point of view of the harmful gaseous emissions production withfocus on NOx. The theoretical analysis, consequential mathematical modelling (in Fluent) of the utilizing of the extremely low temperatures of charging after the intercooler in the range from 30°C to near above zero temperatures of the turbocharged engine should define the changes trends in its power parameters and exhaust gas emissions production mostly NOx. At the same time it should consider the influence of the extremely low temperatures of charging on the engine inner corrosion at the periodic engine starts and stops. The mathematical model should allow alternatively solving possible risks resulting from the proposal newness and originality. From the proposal it is expected to obtain more effective energy utilization, the decrease of the environment ecological load compared with the standard solution and the possibility of creation of the permanent sustainable energetic system. The possibilities of the design solution for the system of extremely low temperatures of air fuel mixture are also presented in the paper.
Źródło:
Journal of KONES; 2010, 17, 3; 135-142
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reduction of pressure rise rates in boosted HCCI engine using advanced valve actuation strategies
Autorzy:
Hunicz, J.
Rybak, A.
Gęca, M.
Powiązania:
https://bibliotekanauki.pl/articles/243727.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
low temperature combustion
HCCI
valve actuation
combustion harshness
Opis:
Homogeneous Charge Compression Ignition (HCCI) is a promising low temperature combustion technology which offers high fuel efficiency and extremely low exhaust emissions. However, there are still some pending issues to be resolved before the technology will achieve mass production level. Namely, combustion controllability should be improved and HCCI operating range should be widen. The latter is constrained by excessive combustion rates under high loads. In this study, advanced variable valve actuation strategies were applied to control auto-ignition timings and combustion rates. The examinations were conducted using single-cylinder research engine fuelled with directly injected gasoline. The HCCI combustion was achieved using negative valve overlap technique. The engine was run under boosted conditions, in an operation regime where acceptable pressure rise rate (PRR) level is usually exceeded. Selected valve timing sweeps were carried out within a scope of the experiments to evaluate PRR reduction potential. The obtained results manifested superior combustion controllability. Late exhaust valve closing enabled reduction of the amount of internally re-circulated exhaust, which propagated to the main event combustion. From the intake side, two effects were observed, i.e. variability of the intake air aspiration and variability of the apparent compression ratio. Both phenomena were found to affect combustion timings and rates.
Źródło:
Journal of KONES; 2018, 25, 4; 369-376
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of engine speed and the course of the fuel injection characteristics on forming the average combustion temperature in the cylinder of turbo diesel engine
Wpływ prędkości obrotowej i przebiegu charakterystyki wtrysku paliwa na kształtowanie się średniej temperatury spalania w cylindrze doładowanego silnika z zapłonem samoczynnym
Autorzy:
Gustof, P.
Powiązania:
https://bibliotekanauki.pl/articles/374541.pdf
Data publikacji:
2007
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
silnik z zapłonem samoczynnym
wtrysk paliwa
temperatura spalania paliwa
turbo diesel engine
fuel injection
fuel combustion temperature
Opis:
Average combustion temperatures inside a turbo diesel engine for the same load and the same total doze of fuel for two rotational speeds: 2004 [rpm] and 4250 [rpm] are presented in this paper. The aim of this work is also the evaluation of the influence of the temporary course of the fuel injection characteristics on forming temperature in the engine cylinder space for these temperatures. The calculations were carried out by means of two zone combustion model .
W pracy zostały przedstawione obliczenia średniej temperatury spalania wewnątrz doładowanego silnika z zapłonem samoczynnym, dla tego samego obciążenia i tej samej sumarycznej dawki paliwa dla dwóch prędkości obrotowych: 2004[min"1] oraz 4250[min"1]. Celem realizowanej pracy była również ocena wpływu chwilowego przebiegu charakterystyki wtrysku paliwa na kształtowanie się temperatury w przestrzeni cylindra silnika dla tych prędkości. Obliczenia zostały przeprowadzone przy zastosowaniu dwustrefowego modelu procesu spalania.
Źródło:
Transport Problems; 2007, 2, 3; 5-10
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The study on combustion of propellants in airborne conditions
Badania temperatury spalania paliw prochowych w warunkach napowietrznych
Autorzy:
Habera, Ł.
Hebda, K.
Koślik, P.
Powiązania:
https://bibliotekanauki.pl/articles/1835266.pdf
Data publikacji:
2018
Wydawca:
Instytut Nafty i Gazu - Państwowy Instytut Badawczy
Tematy:
gas fracturing
combustion temperature of propellants
coal bed methane (CBM)
szczelinowanie gazowe
temperatura spalania propelantów
metan z pokładów węgla (CBM)
Opis:
The resources of coal-bed methane in Poland, and especially in Upper-Silesian Coal Basin are estimated on tens of billions cubic meters. These are significant raw material quantities, that should take an interest in terms of acquiring them and producing in safe manner. Considering, however, very low permeability of coal-bed formations, such accumulation of hydrocarbons can be counted among unconventional deposits, requiring specific first working method. Well-known and properly mastered method of influencing the gas-rich coal-bed, consisting in reducing formation pressure by rock-mass stress relieving, effected by means of dewatering of coal beds, gives only moderate production and economical results. Despite the rock-mass pressure decreasing down to sorption isotherm value will result in process of releasing adsorbed methane, the negligible permeability of coal rock forces searching of additional, more effective methods of coal beds stimulation, facilitating flow of released methane through the formation. In opinion of the work authors, application of gas-fracturing technology using low combustion temperature propellants may contribute to effective releasing of methane and flow of the gas to producing boreholes.
Zasoby metanu zalegającego w pokładach węgla kamiennego w Polsce, zwłaszcza w Górnośląskim Zagłębiu Węglowym, szacowane są na dziesiątki miliardów metrów sześciennych. Są to znaczne ilości surowca, którymi należy się zainteresować w kontekście pozyskania i ich bezpiecznej eksploatacji. Jednak z uwagi na bardzo niską przepuszczalność formacji węglowej taką akumulację węglowodorów możemy nazwać złożem niekonwencjonalnym, wymagającym szczególnego sposobu udostępnienia. Rozpowszechniona i dobrze opanowana metoda oddziaływania na gazonośny pokład węgla, polegająca na obniżeniu ciśnienia w złożu przez odprężenie górotworu, powodowane odwodnieniem pokładów węgla, przynosi umiarkowane rezultaty eksploatacyjne i ekonomiczne. Jakkolwiek obniżenie ciśnienia w górotworze do wartości izotermy sorpcji powoduje proces uwolnienia zaabsorbowanego metanu, to jednak znikoma przepuszczalność skały węglowej wymusza poszukiwanie dodatkowych, bardziej efektywnych metod stymulacji pokładów węgla umożliwiających przepływ uwolnionego metanu w złożu. Zdaniem autorów zastosowanie technologii szczelinowania gazowego z zastosowaniem propelantów o niskiej temperaturze spalania może przyczynić się do skutecznego uwolnienia metanu i przepływu gazu do otworów eksploatacyjnych.
Źródło:
Nafta-Gaz; 2018, 74, 8; 592-597
0867-8871
Pojawia się w:
Nafta-Gaz
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Outline of CHN Elementary and CN Environmental Analysis
Autorzy:
Kudzin, Zbigniew H
Waśkowski, Bogdan
Powiązania:
https://bibliotekanauki.pl/articles/896197.pdf
Data publikacji:
2004
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
elementary analysis
simultaneous CH and CHN determinations
high temperature combustion
low temperature combustion
combustion products
gas chromatographic separation
thermal conductivity detection
infra-red detection
chemiluminiscence detection
microcoulometric detection
elemental analyzers
environmental analysis
Opis:
Wydrukowano z dostarczonych Wydawnictwu UŁ gotowych materiałów
A review on the CHN analysis of organic compounds and the CN environmental analysis is described. The review contains outline of the evolutionary development of elementary analysis, since Gay-Lussac, Dumas and Liebig era until a present slate analysis, with computer controlled, fully automated analyzers. Physical principles of high temperature and low temperature combustions are discussed. Technical foundations on conjunctions of the high temperature combustion with chromatographic separations of the ultimate combustion products of organic samples, is delineated. Commercially available elemental analyzers are compared and their construction and operating principles are described. The basic methods of determination of environmental carbon and nitrogen are discussed. The representative analyzers for environmental carbon and nitrogen analysis are presented and their operating principles are described.
Źródło:
Acta Universitatis Lodziensis. Folia Chimica; 2004, 13
0208-6182
Pojawia się w:
Acta Universitatis Lodziensis. Folia Chimica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examination of the influence of multi-injection strategy on thermodynamic indexes of engine cycle and on the emission of toxic compounds
Badanie wpływu strategii wieloczęściowego wtrysku paliwa na termodynamiczne wskaźniki pracy silnika i na emisję składników spalin
Autorzy:
Czajka, J.
Wisłocki, K.
Pielecha, I.
Borowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/133767.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
diesel engine
exhaust gas recirculation (EGR)
low temperature combustion
injection strategies
silnik ZS
EGR
niskotemperaturowe spalanie
strategie wtrysku paliwa
Opis:
The main target of this work was to investigate on the 1-cyl. research engine concerning practical realization possibilities of cold-flame-combustion when operating with high and very high Exhaust Gas Recirculation (EGR) rates. After determining of possibilities of lowering NOx and Soot emissions for EGR rates ca. 40-60% some further investigation on optimization of SOIand CoC parameters were performed. Additionally, some preliminary investigations of the optimization of combustion parameters when applying various strategies of multi-injection have been conducted and analyzed.
Głównym celem badań było uzyskanie efektu spalania niskotemperaturowego skutkującego zmniejszeniem emisji NOx wraz z jednoczesnym zmniejszeniem emisji sadzy (cząstek stałych) dzięki zastosowaniu dużego stopnia recyrkulowanych spalin. Po uzyskaniu możliwości obniżenia emisji NOx i sadzy przy zastosowaniu recyrkulacji spalin o udziale 40-60%, prowadzono dalsze badania nad optymalizacją parametrów SOI i CoC. Dodatkowo, prowadzono wybrane wstępne badania optymalizacyjne parametrów procesu spalania przy stosowaniu różnych strategii wtrysku wieloczęściowego.
Źródło:
Combustion Engines; 2014, 53, 2; 45-59
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of speed and load on the engine temperature at an elevated temperature cooling fluid
Autorzy:
Krakowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/243666.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engines
cooling system
coolant temperature
Opis:
In this article has been found that the most popular and widely used method of cooling is liquid cooling, which ensures uniformity of temperature around the combustion chamber and easy acquisition and transfer of heat, although the properties of water are limited by maximum temperature of the coolant. Preliminary scientific research of such a system indicates the possibility of increasing overall efficiency and reducing toxic components in exhaust gases at low engine loads when the engine exhaust temperature of the classic system is too low for efficient catalytic action. This paper presents the dynamometer test stand designed and built using original components of diesel engine 4CT90 production of WSW "ANDORIA" SA. Presented system was designed for the four cylinder with indirect fuel injection system. Research was made on the engine dynamometer stand, which was equipped with standard measure devices (measures: speed, torque, temperatures, flows) and exhaust gas analysers. The temperature of this liquid was increased to the higher level than temperature of boiling water in normal conditions. Overpressure inside the cooling system was limited to 0.3 MPa, the temperature inside the cooling system was increased to 115–120°C. During the test, the cooling system was filled with coolant at 90%. The selected results of investigations of the cooling system for the combustion engine working with higher temperature of the cooling liquid, where the influence of speed and load on the engine temperature were presented.
Źródło:
Journal of KONES; 2013, 20, 4; 185-192
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multidimensional engine starting characteristics
Autorzy:
Pszczółkowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/949496.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
piston combustion engines
low temperature starting
Opis:
The difficulties in obtaining the start of piston combustion engines increase at low temperature conditions. Lowering abilities of a diesel engine to undertake the independent operating, at low temperature, result from its influence on exploitation materials, engine systems properties, and directly from low ering the temperature of sucked-up into the engine cylinders air. The successful engine start-up depends on three independent parameters: engine (and ambient) temperature, engine crankshaft rotational speed extorted by starting system and the time period at which this system is operating. An individual engine starting abilities measure can be the time of starter motor operating at aparticular temperature or its start-up limit temperature determined according to a specified research standard. The dependence of start-up time or start-up limit temperature on any particular factor is the engine starting characteristic. The combustion engine is a very complex object in respect of its starting abilities. If the engine constructionai adjustment and exploitation parameters are changed, the start-up characteristic (function) is a multi-dimensional function. Formally, from mathematical point of view, it is a surface in a multidimensional space. It is possible to obtain any engine starting characteristic by multidimensional starting surface intersection. In the paper there are presented examples of one- and multi- dimensional diesel engine starting characteristics as results of long-lasting starting tests of many engines.
Źródło:
Journal of KONES; 2010, 17, 3; 385-392
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the coolant temperature on emission of toxic compound and engine work parameters
Autorzy:
Walentynowicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/242404.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engines
cooling systems
higher coolant temperature
Opis:
The selected results of investigations of the cooling system for the combustion engine working with higher temperature of the cooling liquid were presented. The temperature of this liquid were increased to the temperature of boiling water, as a basic compound of the cooling liquid. This system was designed for the four cylinder diesel engine 4CT90 with indirect fuel injection system. Investigation was realized on the dynamometer stand equipped with standard measure devices (measures: speed, torque, temperatures, flows) and exhaust gas analyzers. The speed and torque engine characteristics were determined. The over pressure inside cooling system was limited up to 0.07 MPa regarding lower pressure structural integrity of the standard units of this system. Intensity of the cooling, protective against too higher pressure, were changed by switching small and full liquid circulation, and one or two fans of the cooler. temperature inside cooling system was increased up to 110 centigrade. Results ofincreasing of the cooler temperature were lower frictions of unburned products of combustion process (CO and HC) in the exhaust gas (up to 50%) in low torque and low engine speed. This is area when catalytic reactor does not work because too low is exhaust gas temperature. It wasfound that engine economy was increased to 7% in maocimum load and high engine speed.
Źródło:
Journal of KONES; 2009, 16, 1; 583-590
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exhaust gas temperature measurements in diagnostics of turbocharged marine internal combustion engines. Part II Dynamic measurements
Autorzy:
Korczewski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/258840.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
diagnostic
internal combustion engine
exhaust gas temperature
Opis:
The second part of the article describes the technology of marine engine diagnostics making use of dynamic measurements of the exhaust gas temperature. Little-known achievements of Prof. S. Rutkowski of the Naval College in Gdynia (now: Polish Naval Academy) in this area are presented. A novel approach is proposed which consists in the use of the measured exhaust gas temperature dynamics for qualitative and quantitative assessment of the enthalpy flux of successive pressure pulses of the exhaust gas supplying the marine engine turbocompressor. General design assumptions are presented for the measuring and diagnostic system which makes use of a sheathed thermocouple installed in the engine exhaust gas manifold. The corrected thermal inertia of the thermocouple enables to reproduce a real timehistory of exhaust gas temperature changes.
Źródło:
Polish Maritime Research; 2016, 1; 68-76
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exhaust gas temperature measurements in diagnostics of turbocharged marine internal combustion engines Part I standard measurements
Autorzy:
Korczewski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/259776.pdf
Data publikacji:
2015
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
diagnostic
internal combustion engine
exhaust gas temperature
Opis:
The article discusses the problem of diagnostic informativeness of exhaust gas temperature measurements in turbocharged marine internal combustion engines. Theoretical principles of the process of exhaust gas flow in turbocharger inlet channels are analysed in its dynamic and energetic aspects. Diagnostic parameters are defined which enable to formulate general evaluation of technical condition of the engine based on standard online measurements of the exhaust gas temperature. A proposal is made to extend the parametric methods of diagnosing workspaces in turbocharged marine engines by analysing time-histories of enthalpy changes of the exhaust gas flowing to the turbocompressor turbine. Such a time-history can be worked out based on dynamic measurements of the exhaust gas temperature, performed using a specially designed sheathed thermocouple. The first part of the article discusses possibilities to perform diagnostic inference about technical condition of a marine engine with pulse turbocharging system based on standard measurements of exhaust gas temperature in characteristic control cross-sections of its thermal and flow system. Selected metrological issues of online exhaust gas temperature measurements in those engines are discusses in detail, with special attention being focused on the observed disturbances and thermodynamic interpretation of the recorded measuring signal. Diagnostic informativeness of the exhaust gas temperature measurements performed in steady-state conditions of engine operation is analysed in the context of possible evaluations of technical condition of the engine workspaces, the injection system, and the fuel delivery process.
Źródło:
Polish Maritime Research; 2015, 1; 47-54
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Temperature development of selected materials in a reduced model – experimental test
Autorzy:
Müllerová, Jana
Krajčír, Maroš
Powiązania:
https://bibliotekanauki.pl/articles/1933813.pdf
Data publikacji:
2020-12-17
Wydawca:
Wyższa Szkoła Bezpieczeństwa Publicznego i Indywidualnego Apeiron w Krakowie
Tematy:
combustion
temperature development
fire parameters
combustible materials
Opis:
The work is focused on an experimental test of temperature development in a scale model. Various types of combustible materials were used in the test in combination with the spruce wood. The work points to the influence of the fuel source on selected parameters of a fire in an enclosed space. The course of a fire is influenced by various factors. The course of a fire in an enclosed space differs from the course of a fire in an open space. As a part of the overall development of the fire, the temperature of the fire is affected. Therefore, one can state that the parameters affecting the development of an internal fire also have a direct effect on the temperature development. The main goal of this work is to compare different types of materials in terms of the properties they manifest during a fire. The practical part contains the analysis of the materials used in the experiment. Description of the scale model and of the measuring control panel are the content of another part of the work. In the end there is a comparison of the individual temperature curves.
Źródło:
Kultura Bezpieczeństwa. Nauka – Praktyka – Refleksje; 2020, 38(38); 79-88
2299-4033
Pojawia się w:
Kultura Bezpieczeństwa. Nauka – Praktyka – Refleksje
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Powerful – development of engine and vehicle to realise low CO2-emissions
Powerful – rozwój silnika i pojazdu o małej emisji CO2
Autorzy:
Weißner, M.
Wrede, K.
Watzl, S.
Menzel, T.
Schüttenhelm, M.
Klüting, Ch. B.
Frambourg, M.
Powiązania:
https://bibliotekanauki.pl/articles/133543.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
TDI
downsizing
Low Temperature Combustion
LTC
carbon dioxide
alternative fuel
low emission
spalanie LTC
spalanie niskotemperaturowe
emisja dwutlenku węgla
paliwa alternatywne
mała emisja
Opis:
The EU funded project “Powerful” supported the creation of new solutions to reduce fuel consumption and emission levels below current levels. The task of the related project, performed with a Golf 6 Variant TDI® BMT, is the achievement of 98 g CO2/km in NEDC under respect of EU6 minus 10% emission limits. This article describes the general activities undertaken regarding the overall technical approach, the efforts of developing the research engine, it´s integration into a special validator vehicle and the main results. Some technical features like LTC (Low Temperature Combustion) or heat storage system of engine and vehicle are described more detailed. Beside the NEDC also more dynamic cycles have been investigated including real world driving.
Finansowany przez UE projekt "Powerful" wspiera tworzenie nowych rozwiązań, w celu zmniejszenia zużycia paliwa i obniżenia emisji związków toksycznych poniżej obecnie obowiązujących poziomów. W ramach projektu wykonano badania na pojeździe Golf 6 Variant TDI® BMT, osiągając poziom emisji 98 g CO2/km w teście NEDC względem normy Euro 6 minus 10% wielkości emisji. W artykule opisano ogólne działania podejmowane w zakresie podejścia koncepcyjnego, rozwijania koncepcji na silniku badawczy, integracji zaproponowanych rozwiązań w specjalnym pojeździe weryfikującym oraz przedstawiono główne wyniki badań. Niektóre koncepcje jak LTC (spalanie niskotemperaturowe) oraz systemu magazynowania ciepła z silnika i pojazdu zostały opisane bardziej szczegółowo. Oprócz testu NEDC przeprowadzono również badania w cyklach jezdnych odwzorowujących rzeczywiste warunki jazdy.
Źródło:
Combustion Engines; 2014, 53, 2; 3-21
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 37

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