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Tytuł:
An experimental study of emission and combustion characteristics of marine diesel engine in case of cylinder Valves leakage
Autorzy:
Kowalski, J.
Powiązania:
https://bibliotekanauki.pl/articles/259195.pdf
Data publikacji:
2015
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
marine diesel engine
exhaust gas composition
emission
exhaust gas valve leakage
inlet valve leakage
Opis:
Presented paper shows the results of the laboratory tests on the relationship between throttling of both air intake duct and exhaust gas duct and a gaseous emission from the marine engine. The object of research is a laboratory, four-stroke, DI diesel engine, operated at loads from 50 kW to 250 kW at a constant speed equal to 750 rpm. During the laboratory tests over 50 parameters of the engine were measured with its technical condition recognized as a „working properly” and with simulated leakage of both air intake valve and exhaust gas valve on the second cylinder. The results of this laboratory research confirm that the leakage of cylinder valves causes no significant changes of the thermodynamic parameters of the engine. Simulated leakages through the inlet and exhaust valve caused a significant increase in fuel consumption of the engine. Valve leakages cause an increase of the exhaust gas temperature behind the cylinder with leakage and behind other cylinders. The exhaust gas temperature increase is relatively small and clearly visible only at low loads of the engine. The increase of the temperature and pressure of the charging air behind the intercooler were observed too. Charging air temperature is significantly higher during the engine operation with inlet valve leakage. The study results show significant increases of the CO, NOx and CO2 emission for all the mentioned malfunctions. The conclusion is that the results of measurements of the composition of the exhaust gas may contain valuable diagnostic information about the technical condition of the air intake duct and the exhaust gas duct of the marine engine.
Źródło:
Polish Maritime Research; 2015, 3; 90-98
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Solution to Reduce Air Environmental Pollution from Ships
Autorzy:
Pham, H.T.
Nguyen, T.M.
Powiązania:
https://bibliotekanauki.pl/articles/116944.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Pollution at Sea
Environment Protection
Ecology, MARPOL
Air Environmental Pollution
Gas Emissions
Exhaust Gas Emissions
Exhaust Gas
Opis:
Exhaust gas emissions from ships are increasingly polluting the air environment seriously. Therefore, the MARPOL 73/78 Annex VI is applied for all ships from 2017, Annex VI provided that the concentrations of NOx,SOx CO contained in ship’s exhaust gases must be less than 6.4 g/kWh, 0.6 g/kWh, and 5.5g/kWh respectively. Today, there are many solutions to reduce pollution emissions from exhaust gas of ships, such as improving combustion, using oil emulsion, using biofuel,…However, these solutions also have a handful of disadventages such as being unable to thoroughly resoulve problems, high cost, and very difficult to improve the quality of ship exhaust gas emissions for old ships. Exhaust gas treatment method uses a centralized treatment system where exhaust gas from the thermal engines is taken in a centralized treatment system before discharging into the air. After centralized treatment system, in comparision with raw exhaust gas, soot can be reduced by 98%, NOx can be reduced by 75%, SOx can be reduced by 80%. This method of treatment is not only low cost, good quality but also make marine heat-engines still use traditional fuels as well as need not improve its structure.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 2; 257-261
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
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:
Analysis of impact of EGR valve construction on the exhaust gas flow parameters in the engine
Analiza wpływu konstrukcji zaworu EGR na parametry przepływu spalin w silniku
Autorzy:
Lenc-Brol, A.
Mamala, J.
Powiązania:
https://bibliotekanauki.pl/articles/134108.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
EGR valve
exhaust gas recirculation (EGR)
exhaust gas flow modeling
zawór EGR
recyrkulacja spalin
modelowanie przepływu spalin
Opis:
In this paper an analysis of the EGR valve design impact, in particular the outlet diameter, on the gas flow parameters in diesel engine (Z 1505) exhaust gas recirculation system of Zetor tractor was made. For this purpose the experimental and simulation studies of gas flow through the valve were carried out. The simulations using Fluent were made. Also distribution of the pressure and velocity vectors in the area of the valve outflow was presented. Analysis of the phenomena occurring in the exhaust area of the EGR valve was made. Also influence of the outlet diameter on the flow characteristics of the EGR valve was determined.
W artykule dokonano analizy wpływu konstrukcji zaworu EGR, a w szczególności średnicy otworu wylotowego na parametry przepływu spalin w układzie recyrkulacji spalin silnika o zapłonie samoczynnym typu Z 1505 ciągnika rolniczego marki Zetor. W tym celu przeprowadzono badania eksperymentalne i symulacyjne przepływu gazów przez zawór. Badania symulacyjne zrealizowano użyciu programu Fluent oraz przedstawiono rozkład wektorów prędkości i ciśnienia w obszarze wypływu gazu z zaworu. Przeanalizowano zjawiska turbulencji zachodzące w obszarze wylotowym zaworu. Określono również wpływ średnicy wylotowej na charakterystykę przepływową zaworu EGR.
Źródło:
Combustion Engines; 2013, 52, 3; 79-85
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of selected mineral and waste sorbents for the capture of elemental mercury from exhaust gases
Autorzy:
Wdowin, Magdalena
Macherzyński, Mariusz
Panek, Rafał
Wałęka, Mateusz
Górecki, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/127635.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
mercury capture
exhaust gas
minerals
waste products
Opis:
Several mineralogically, chemically and texturally diverse minerals and waste materials were selected for the testing of elemental mercury capture in exhaust gas, namely tyre char resulting from the burning of pyrolytic rubber tyres, class C fly ash, mesoporous material type MCM-41 and glauconite. Each material's mineralogical, chemical and textural characteristics were explored. In order to conduct experiments in conditions similar to those during the contact of sorbent with real coal exhaust fumes at a temperature of about 110-120°C, the experiments were carried out using a test device consisting of a furnace for burning powdered coals, a thermostatic cage for sorbent reactors and mercury gas analysers, which are able to measure and compare the effects of individual sorbents with exhaust gas. The study found that the best results for mercury sorption in the exhaust atmosphere were obtained for class C ash resulting from brown coal combustion.
Źródło:
Mineralogia; 2020, 51, 1; 17-35
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ochistka vybrosov ot koksovykh pechejj s pomoshhju skrubbera nasadochnogo tipa
Cleaning of emissions from coke ovens at scrubber packed type
Autorzy:
Red'ko, A.
Chajjka, J.
Burda, J.
Powiązania:
https://bibliotekanauki.pl/articles/76341.pdf
Data publikacji:
2015
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
scrubber
nozzle
gas cleaning
coke oven worker
exhaust gas
Źródło:
Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 6
1730-8658
Pojawia się w:
Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dedicated exhaust gas recirculation in spark ignition engines
Autorzy:
Rehan, S.
Powiązania:
https://bibliotekanauki.pl/articles/103305.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
exhaust gas recirculation
NOx emissions
spark ignition engines
Opis:
The impact of high levels of exhaust gas recirculation (EGR) has been well documented to decrease fuel consumption and reduce emissions of spark ignition engines. But there are also many limitations associated with this technology like EGR control and tolerance, which can reduce the potential efficiency improvements. A new concept called D-EGR has been presented in which the exhaust from a sub group of power cylinders is channeled back to the intake of all the cylinders. In this literature review both experimental and numerical analysis of this technology is shown. In the former case experiments were performed on 2.0 L PFI engine with gasoline as a fuel in part and high load conditions and the results show that at part loads the D-EGR engine can lead to lower Brake Specific Fuel Consumption, lower HC and CO emissions and higher brake thermal efficiency. At high load operations the results show improved combustion stability and superior knock tolerance. In the numerical studies it shows comparable thermal efficiency with conventional spark ignition (SI) engines and reduction in NOX emissions.
Źródło:
Advances in Science and Technology. Research Journal; 2017, 11, 2; 44-50
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exhaust gas dose uniformity in modern diesel engines
Autorzy:
Krakowian, K.
Kaźmierczak, A.
Górniak, A.
Włostowski, R
Błasiński, T.
Powiązania:
https://bibliotekanauki.pl/articles/246875.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
EGR
exhaust gas recirculation (EGR)
environmental protection
NOx
Opis:
Currently, the environment protection challenges the designers and manufacturers of combustion engines due to the fact that the engine emits toxic compounds, which are hazardous to the life organisms. Increasingly strict regulations concerning emission of the exhaust gases forces application of the innovative technologies or improvement of the presently used. One of systems, which reduce the toxicity of the exhaust gases, is the Exhaust Gas Recirculation (EGR) system. This solution reverse part of the exhaust gases back into the manifold and mixes it with fresh inlet air. In consequence, the combustion temperature decreases. Less oxygen reacts with nitrogen and more connects with carbon and hydrogen. Presently there are two types of EGR system i.e. internal and external. In case of the first one part of the exhaust gases remains in the combustion chamber after the combustion but its construction is not complicated. The external EGR system uses one valve of the exhaust gas recirculation system located on the manifold. This location can result of the uneven portion of exhaust gases directed to the combustion chamber. In consequence, the decrease on the temperature is also uneven and therefore different portion of nitrogen oxide in the exhaust gases.
Źródło:
Journal of KONES; 2012, 19, 2; 259-262
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improvement of axially symmetrical plasma reactor structure within a framework of particles pollution decrease in engines exhaust
Autorzy:
Irzycki, A.
Kalina, P.
Snopkiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/242366.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
exhaust gas
particulate matter
plasma reactor
experimental investigation
Opis:
Within a framework of researches on cleaning of Diesel engine's fumes of particulates the sequence of construction variants of axially symmetrical device was examined. The device was fitted with the plasma reactor, in which the particles gained the same electric charge as a result of passing through the corona discharge zone. Then they were tilted aside in electrostatic field and finally collected infilter module. The principal functional problem met during research works was that the soot gathering on insulators ofelectrodes caused the drop of voltage and fade-out the corona discharge. It was solved by introducing the air stream blowing away the soot layer as well as the back flow induced by pressure difference within stream of exhaust gas. The latest version of device was put the 8 - phase test of particles and gaseous pollutants on test bed equipped with two-way exhaust pipe. The applied arrangement made possible the testing of engine in cases: without purifier, when exhaust gas swam through inactive purifying device (without voltage), when exhaust gas swam through active plasma reactor (purifler supplied with voltage of 15 kV). Using the final version of device, the 66 % cleaning efficiency of exhaust gas from particles and 10% decreasing of gaseous pollutants volume was achieved. The developed device may be a good basis for working up of prototype version and subsequent operational research works, especially on turbo charged engines.
Źródło:
Journal of KONES; 2009, 16, 2; 183-189
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exhaust gas recirculation strategy in the hydrogen SI engine
Autorzy:
Szwaja, S.
Naber, J. D.
Powiązania:
https://bibliotekanauki.pl/articles/243087.pdf
Data publikacji:
2007
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
internal combustion engine
hydrogen
exhaust gas recirculation (EGR)
Opis:
It is known that Exhaust Gas Recirculation (EGR) can be successfully applied not only for reducing NOx content in exhaust gases but also for reduction of combustion knock in SI engines. From this point of view, EGR can be particularly effective for knock elimination in the hydrogen reciprocating engine. Additionally with the application of EGR, the H2-air combustion can be maintained at the stoichiometric ratio enabling highly efficient NOx reduction in catalytic converters. In this paper a strategy of estimating EGR for the naturally aspirated, hydrogen fuelled engine is explained. On the basis of this strategy, the closed loop control system of the EGR was built and was implemented for the single cylinder CFR engine. There is also an outline of the test bed and several examples of in-cylinder pressure courses recorded under various EGR percentages. Next, the impact of EGR on combustion knock in the hydrogen fuelled engine is presented. Finally, conclusions concerning EGR application for hydrogen combustion in the IC engine are presented. EGR calculation and control scheme, main diagram of EGR calculation, subroutine (Sub-block) for calculating the molecular weight of EGR gases, in-cylinder pressure traces for several EGR levels during hydrogen combustion in the CFR engine, the fluctuating component of in-cylinder pressure during hydrogen combustion with several levels of EGR, peak pressure of fluctuation component of in-cylinder pressure vs. EGR percentage are presented in the paper.
Źródło:
Journal of KONES; 2007, 14, 2; 457-464
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Researches of selected version axially symmetrical model plasma reactor to cleaning diesel exhaust gas of particulates
Badania wybranej wersji osiowo-symetrycznego modelowego reaktora plazmowego do oczyszczania spalin silnika o zapłonie samoczynnym z cząstek stałych
Autorzy:
Zawadzki, A.
Irzycki, A.
Kalina, P.
Snopkiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/244007.pdf
Data publikacji:
2008
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
exhaust gas
particulate matter
plasma reactor
experimental investigation
Opis:
The investigations concerning application of plasma reactor to cleaning Diesel exhaust gas of particulates have been led at Institute of Aviation for several years. Crown discharges having positive potential generated in the reactor hand this positive charge over to solid particles contained in engine's fumes. Positively charged particles are subject to agglomeration and then acceleration in electrostatic field, which makes possible their catching in filter module. In present publication one of studied versions of device was described, in which the additional airflow against the high voltage electrode protecting insulator was applied to prevent the settling down of soot on them. The plasma reactor was powered by 15 kV - high voltage, which allow generating of fully developed corona discharge. The extensive investigations of value of corona discharge current were conducted depending on applied elements generating the discharge (the mesh of thin wires or linear blades) as well as on their configuration. It was found, that the best effects were achieved applying linear blades in form of two compact sets. The flow of fumes behind the reactor was divided in two zones - the internal one, leading the more pure part of fumes and the external one, containing the particulates deflected in electrostatic field, directed to filter module. The swirling vanes were placed on inlet of this module with the aim of producing the field of force of inertia, in which the heavier then fumes particles could be thrown away outside the channel limited with metal mesh and external side. The above mentioned elements form the space allowing the accumulation of caught particulates. Preliminary investigations showed over 60% effectiveness of cleaning of Diesel exhaust gas from solid particles and/or particulates.
Od kilku lat w Instytucie Lotnictwa prowadzone są badania nad zastosowaniem reaktora plazmowego do oczyszczania spalin silnika o zapłonie samoczynnym z cząstek stałych. W reaktorze generowane są wyładowania koronowe o potencjale dodatnim, który przekazuje cząstkom stałym zawartym w spalinach jednoimienny ładunek. Dodatnio naładowane cząstki ulegają następnie aglomeracji i akceleracji w polu elektrostatycznym, co umożliwia ich wychwytywanie w module filtracyjnym. W niniejszej publikacji opisano jedną z badanych wersji urządzenia oczyszczającego, w którym zastosowano nadmuch dodatkowego powietrza zabezpieczający izolator wysokonapięciowej elektrody przed osadzaniem się na niej sadzy. Reaktor plazmowy pracował pod napięciem 15 kV enerując w pełni rozwinięte wyładowania koronowe. Przeprowadzono obszerne badania wartości prądu wyładowań koronowych w zależności od zastosowanych elementów generujących wyładowania (siatki cienkich drutów, bądź ostrzy liniowych) oraz od ich konfiguracji. Stwierdzono, iż najlepsze efekty można uzyskać stosując ostrza liniowe w postaci dwóch zwartych zestawów. Przepływ spalin za reaktorem rozdzielono na dwie strefy - wewnętrzną czyściejszych spalin oraz zewnętrzną spalin zawierających odchylone w polu elektrostatycznym cząstki stałe kierowane do modułu filtracji. Moduł ten wyposażono na wlocie w łopatki silnie zawirowujące spaliny w celu wytworzenia pola sił masowych odrzucających cięższe od spalin cząstki na zewnątrz kanału ograniczonego metalową siatką i ścianką zewnętrzną. Elementy te tworzyły przestrzeń umożliwiającą gromadzenie wychwyconych cząstek. Wstępne badania wykazały ponad 60% skuteczność oczyszczania spalin z cząstek stałych.
Źródło:
Journal of KONES; 2008, 15, 2; 563-569
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CFD modeling of syngas combustion and emissions for marine gas turbine applications
Autorzy:
Ammar, N. R.
Farag, A. I.
Powiązania:
https://bibliotekanauki.pl/articles/259882.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
CFD
syngas fuel
combustion characteristics
exhaust gas emissions
Opis:
Strong restrictions on emissions from marine power plants will probably be adopted in the near future. One of the measures which can be considered to reduce exhaust gases emissions is the use of alternative fuels. Synthesis gases are considered competitive renewable gaseous fuels which can be used in marine gas turbines for both propulsion and electric power generation on ships. The paper analyses combustion and emission characteristics of syngas fuel in marine gas turbines. Syngas fuel is burned in a gas turbine can combustor. The gas turbine can combustor with swirl is designed to burn the fuel efficiently and reduce the emissions. The analysis is performed numerically using the computational fluid dynamics code ANSYS FLUENT. Different operating conditions are considered within the numerical runs. The obtained numerical results are compared with experimental data and satisfactory agreement is obtained. The effect of syngas fuel composition and the swirl number values on temperature contours, and exhaust gas species concentrations are presented in this paper. The results show an increase of peak flame temperature for the syngas compared to natural gas fuel combustion at the same operating conditions while the NO emission becomes lower. In addition, lower CO2 emissions and increased CO emissions at the combustor exit are obtained for the syngas, compared to the natural gas fuel.
Źródło:
Polish Maritime Research; 2016, 3; 39-49
1233-2585
Pojawia się w:
Polish Maritime Research
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:
Optimalization of sorbent feeding in the dry method of flue gas desulfarization
Autorzy:
Kwiatkowski, P.
Zadrąg, R.
Powiązania:
https://bibliotekanauki.pl/articles/2073590.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
sulfur oxides
exhaust gas toxicity
exhaust gas desulfurization
dry method
FGD
tlenki siarki
toksyczność spalin
odsiarczanie spalin
suche metody odsiarczania spalin
Opis:
The swiftly developing sea transport contributes to a considerable increase of fuel usage in the international shipping, which results in the escalation of toxic compounds emitted into the atmosphere. It is followed by the constantly heightened requirements limiting those emissions. In the case of sulfur oxide emission, inside of SECA (Sulfur Emission Control Area), the maximum content of sulfur in the shipping fuels used on the territorial seas was reduced to 0.1% per mass unit, but at the same time the legislator allows the ability to use a desulfurization installation working in a closed configuration. One of the desulfurization methods fulfilling those requirements is the dry method of desulfurization. In this paper are presented the results of research conducted on this very topic in the Department of Marine and Land Power Plants. The focus is the presentation of formulated characteristics of adsorbent feeding by an injection system dedicated to the dry method.
Źródło:
Journal of Polish CIMEEAC; 2017, 12, 1; 51--58
1231-3998
Pojawia się w:
Journal of Polish CIMEEAC
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 176

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