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Tytuł:
Wybrane aspekty eksploatacji pojazdów wykorzystujących paliwa gazowe
Some aspects of exploitation vehicles using gaseous fuels
Autorzy:
Abramek, K. F.
Uzdowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/310841.pdf
Data publikacji:
2012
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
paliwo gazowe
eksploatacja pojazdów
gaz ziemny
gas fuel
vehicle operation
natural gas
Opis:
W artykule poruszono zagadnienia dotyczące eksploatacji pojazdów wyposażonych w instalację paliwową wykorzystującą paliwa gazowe, a szczególnie gaz ziemny (w postaci sprężonej).
The paper addresses the issues concerning operation of vehicles equipped with fuel installation using gas fuels, particularly natural gas (in the form of compressed).
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2012, 13, 4; 39-42
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of gas flow on combustion and exhaust emissions in a dual fuel natural gas engine
Autorzy:
Tomita, E.
Kawahara, N.
Ohuchi, S.
Komoda, T.
Sakane, A.
Powiązania:
https://bibliotekanauki.pl/articles/244013.pdf
Data publikacji:
2008
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
alternative fuel
dual fuel combustion system
natural gas
supercharged system
lean burn
gas flow
swirl
tumble
Źródło:
Journal of KONES; 2008, 15, 2; 519-527
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some aspects of dual fueling of the middle class modern CI engines
Autorzy:
Stelmasiak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/242729.pdf
Data publikacji:
2007
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
dual fuel
natural gas
gas injection
common rail
combustion process
Opis:
The paper presents results of studies on the dual fuel engine equipped with the Common Rail high pressure injection system and low pressure natural gas injection into the inlet collector. Impact of some regulation parameters of the feed system on the engine performance parameters was examined. Research of the pilot dose selection showed that the minimal size of the dose was limited to ca 12+13% of the nominal dose. It is a result of some troubles of the electromagnetic injector operation at short times of control. The effect of that is a notable deterioration of smoothness of the engine operation. However, electronic control of the injector opening timing enables to reduce the pilot dose size as the engine load is reduced. The research showed advantageous impact of the decreasing dose on the engine efficiency and exhaust gas toxicity at partial loads of the engine. The tests reconfirmed full usefulness of the system to combustion process optimization. A delay of the injection start at high engine loads enables to reduce nearly twice the NOx concentration in exhaust gas with insignificant decreasing, some 1+1.5%, of its efficiency. The used systems showed their high suitability to control charge quality in dual fuel engines, in traction applications in particular.
Źródło:
Journal of KONES; 2007, 14, 4; 453-462
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis concerning possibilities of reduction of toxic substances and co2 emission by use of dual fuel diesel engines for seagoing ships main propulsion
Autorzy:
Giernalczyk, M.
Górski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/244704.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
toxic substances
carbon dioxide
fuel consumption
dual fuel engines
natural gas
Opis:
The goal of the paper is to focus the problem of emission of toxic compounds e.g. NOx, SOx and CO2 from seagoing ships to environment. The VI Amendment to Marpol Convention concerning prevention against air pollution by seagoing ships brought into practice in May 19th 2005 forced ship owners to use means for reduction of environment harmful substances emission to atmosphere. Considerable reduction of these harmful substances can be use dual fuel diesel engines for ship propulsion. Dual fuel engines are fuelled by natural gas having methane as main component. Leading producers of marine diesel engines introduced into production diesel engines DF (Dual Fuel) type. These engines can be fuelled alternatively with natural gas or with heavy fuel oil and marine diesel oil. Today the propulsion by diesel engines fuelled with natural gas is the most popular on ships carrying natural gas cargo i.e. LNG carriers (Liquefied Natural Gas Carriers). Natural gas is freight in liquid form under atmospheric pressure in temperature -163 °C. Due to heat penetration into cargo tanks, the liquefied gas evaporates. Evaporated cargo BOF (Boil Off Gas) is used as a fuel in ship diesel engines. However, dual fuel engines are used on other types of ships not only on LNG carriers. A number of seagoing ships fuelled with natural gas are now under construction. For example container ship 9,000 TEU in Japan shipyard Kawasaki Heavy Industries or container ship 14,000 TEU in Korean shipyard Daewoo Shipbuilding & Marine Engineering for company CMA-CGM. Ships fuelled with natural gas e.g. modern ferries are also built by Stocznia Remontowa Shipbuilding in Poland for Norwegian owner. Adaptation of presently operated ships for fuelling with natural gas is also considered.
Źródło:
Journal of KONES; 2014, 21, 2; 77-82
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical analysis of emissions from marine engines using alternative fuels
Autorzy:
Lamas, M. I.
Rodriguez, C. G.
Telmo, J.
Rodriguez, J. D.
Powiązania:
https://bibliotekanauki.pl/articles/260425.pdf
Data publikacji:
2015
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
fuel
natural gas
hydrogen
marine engine
emissions
Opis:
The current restrictions on emissions from marine engines, particularly sulphur oxides (SOx ), nitrogen oxides (NOx ) and carbon dioxide (CO2 ), are compelling the shipping industry to a change of tendency. In the recent years, many primary and secondary reduction techniques have been proposed and employed in marine engines. Nevertheless, the increasingly restrictive legislation makes it very difficult to continue developing efficient reduction procedures at competitive prices. According to this, the paper presents the possibility to employ alternative fuels. A numerical model was developed to analyze the combustion process and emissions using oil fuel, natural gas and hydrogen. A commercial marine engine was studied, the Wartsila 6L 46. It was found, that hydrogen is the cleanest fuel regarding CO2 , hydrocarbons (HC) and carbon monoxide (CO). Nevertheless, it is very expensive for marine applications. Natural gas is cheaper and cleaner than fuel oil regarding CO2 and CO emissions. Still, natural gas emits more NOx and HC than oil fuel. SOx depends basically on the sulphur content of each particular fuel.
Źródło:
Polish Maritime Research; 2015, 4; 48-52
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conversion of Fiat 0.9 MultiAir engine to multi - fuelling
Autorzy:
Ambrozik, A.
Ambrozik, T.
Kurczyński, D.
Łagowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/247877.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engines
fuels
fuel supply system
liquefied petroleum gas
natural gas
Opis:
The development of human civilisation has always been related to an increase in energy demand. The growth of transportation and an increase in the number of automobile vehicles in service produce a rising demand for fuel. Before piston IC engine is replaced with a different effective power source, it is necessary to use gaseous fuels on a larger scale than ever before. The natural resources of gaseous fuels are estimated to be much higher than crude oil reserves. Additionally, engines can run on biogas, i.e. gaseous renewable fuel. The use of gaseous fuels means lowering the harmful effect engines produce on the natural environment. Multi-fuelling, i.e. switching from one fuel to another, could be an advantageous feature of automobile combustion engine, both from the user’s standpoint and with respect to environmental concerns. Gaseous fuels have desirable properties that are especially suitable for fuel of spark ignition engines. The paper presents the engine test bench constructed at the Laboratory of Heat Engines of the Kielce University of Technology. The test stand comprises modern spark ignition engine Fiat 0.9 MultiAir and the eddy-current brake. At the test stand, the engine was converted to fuelling with three fuels, namely petrol, LPG gas blends and compressed natural gas (CNG). The engine could run alternatively on the three fuels mentioned above. The stand is equipped with an external unit to control the engine work, which makes it possible to extend the range of the engine investigations.
Źródło:
Journal of KONES; 2013, 20, 4; 9-15
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chosen problems of transport and vessel’s fuelling by liquefied natural gas
Autorzy:
Herdzik, J.
Powiązania:
https://bibliotekanauki.pl/articles/246950.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
natural gas
LNG fuelled vessel
dual fuel engine
LNG
boil-off gas
Opis:
It was presented the possibilities and ways of methane transport by sea. They are still searched new better possibilities of methane transport especially when the gas mining is at the sea. The advantages of using methane as marine fuel are discussed because it seems to be ecological and cheaper one. The lack of LNG bunkering network for vessels is the biggest problem to share methane as a marine fuel. Only a few ports inside the Baltic Sea area give such possibility. Of course, the network is under construction but the development goes too slowly to fulfil the International Maritime Organization (IMO) requirements on 2020 year. A challenge is to prevent failure during cargo operations, loading hose failure, pipe rupture, manifold leak, tank overflowing, or rupture etc. The risk of failure is increased due to very low temperature of liquid methane and the quick temperature change of all elements of cargo system during operations. The aim of the work was to show the indicated problems of vessel’s fuelling by LNG. It was discussed the methane slip during cargo operations and fuelling. The misfires during burning processes into the engines are the biggest problem due to very narrow window of methane self-ignition. It happens the misfiring or knocking cycles. It disturbs the correct work of the engine, resulting in quick engine malfunction or damage.
Źródło:
Journal of KONES; 2018, 25, 2; 157-162
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of engine control on the energetic inter change ability of diesel oil by gas in dual fuel GI engine
Autorzy:
Stelmasiak, Zdzisław
Powiązania:
https://bibliotekanauki.pl/articles/243872.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
dual fuel
engine control
natural gas
pilot dose
gas share
thermal efficiency
Opis:
A compression ignition engine fuelled simultaneously with two fuels: a fuel with low cetane number used as the main fuel, and Diesel oil used to initiation of ignition, is assumed to be called as a dual fuel engine. This system is perfectly suited to adaptation to supply of CNG gas in majority of compression ignition engines. Such adaptations can concern both an older engine equipped with classic injection system, and modern engine with common rail system. In traction engines, interchangeability of liquid fuel by the gas belongs to important issues, what is a condition of profitability of the adaptation and operation of dual fuel engines. In the paper are presented test results of the 1CA90 engine with piston pump to injection of liquid fuel, and a system with mixer to supply of the gas; and the SB3.1 engine equipped with common rail system and injection of the gas in area of the inlet valve. On the base of performed tests one has shown variability of energetic fraction of the CNG gas in total energy supplied to the engine. The tests were performed in complete field of variability of engine parameters, i.e. rotational speed and engine load. Obtained results have shown that in spite of decreasing fraction of the gas at partial loads of medium size traction engines, substantial reduction of operational consumption of the Diesel oil is possible. Due to significant differences in price of the CNG gas and the Diesel oil, it gives considerable savings in operational costs of the engines. It should encourage users of the engines to adaptation of the fuelling to the CNG gas. In the paper is presented a proposal of control system to dual fuel traction engine, from maintaining its performance parameters point of view.
Źródło:
Journal of KONES; 2013, 20, 4; 425-434
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Jaki kształt „Bramy Północnej”?
Autorzy:
Miętkiewicz, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/89340.pdf
Data publikacji:
2019
Wydawca:
Nowa Energia
Tematy:
paliwa
energetyka
gaz ziemny
fuel
energetics
natural gas
Opis:
Polska należy do państw charakteryzujących się wzrastającym zapotrzebowaniem na gaz ziemny. Według prognoz, zużycie gazu sięgnąć ma w perspektywie 2025 r. od 18 mld m3 do nawet 20 mld m3 gazu rocznie. Jednocześnie zbliża się termin wygaśnięcia długookresowego kontraktu na dostawy surowca z Federacji Rosyjskiej (2022). Biorąc także pod uwagę kwestie wykorzystania przez Rosję „kurka gazowego”, jako istotnego elementu nacisku w relacjach międzynarodowych, dywersyfikacja dostaw gazu nabiera szczególnego znaczenia dla bezpieczeństwa państwa.
Źródło:
Nowa Energia; 2019, 3; 80-82
1899-0886
Pojawia się w:
Nowa Energia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of a liquefied natural gas terminal on the gas distribution and bunkering network in Poland
Autorzy:
Chłopińska, E.
Gucma, M.
Powiązania:
https://bibliotekanauki.pl/articles/135162.pdf
Data publikacji:
2018
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
natural gas
LNG fuel
gas consumption
LNG terminal in Świnoujście
energetic safety
Polska
Opis:
The proximity of the sea has a strategic importance for Poland’s security and economy. LNG (Liquefied Natural Gas) may play an important role in the Baltic Sea Region in the near future – it may create opportunities for dynamic international economic cooperation for Baltic countries. Access to the Baltic Sea enables sustainable development consisting of the comprehensive exploitation of the country’s maritime potential, i.e.: the broad development of the maritime economy. In this paper the authors have given an overview of the benefits of a LNG terminal located in Świnoujście. Building a facility is a strategic investment that requires the involvement of all stakeholders at the local, regional, and national level. In this paper the authors have presented general information on the collection and transmission of natural gas. The aspects of trends in the LNG market have been discussed. Market conditions in the world and in Europe, concerning the investment in the Świnoujście LNG terminal, have been described. The implementation of the strategy has been aimed at supporting the pursuit of long-term development agreements integrating the maritime sectors with the other related sectors. The directions of gas distribution arising from the rational use of the LNG terminal in Świnoujście have also been presented. In addition, the economic impact of the location of the LNG terminal in Świnoujście on the development of the gas market in Poland was analyzed.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 53 (125); 154-160
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Natural gas supply chain in the form of LNG : Polish and European markets
Autorzy:
Zwolenik, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/101764.pdf
Data publikacji:
2019
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
natural gas
fuel consumption
fuel extraction
LNG
supply chain
LNG import terminals
energy policy
Opis:
Natural gas production in Europe does not meet the demand for this raw material. The solution is the import of raw materials, and LNG, i.e. liquefied natural gas, is becoming increasingly popular. The LNG supply chain includes natural gas production, liquefaction, and then transport to the unloading terminal, where it is regasified and sent to the final recipient. There are many import terminals in Europe and their number is constantly growing, which shows the increased demand for a different source of raw material than pipelines. The aim of the article is to present the extraction, consumption and import of natural gas in the Polish and Europe, as well as the presentation of the LNG supply chain and a discussion of the import terminals located in European countries.
Źródło:
Energy Policy Studies; 2019, 2 (4); 19-35
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Consequences of using LNG as a marine fuel
Autorzy:
Herdzik, J.
Powiązania:
https://bibliotekanauki.pl/articles/245352.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
marine fuel
ships propulsion
LNG
CNG
natural gas
atmosphere protection
Opis:
The paper presents the consequences of LNG usage as a marine fuel. The restrictions of harmful substances emission to atmosphere from marine engines, especially in controlled emission areas (ECA and SECA areas) of nitrogen oxides and sulfur oxides, forces the engine makers to use additional installations, which operation may fulfill the purification requirements of exhaust gases. The option is a usage gaseous fuels, especially liquid natural gas (LNG) or compressed natural gas (CNG). There is no an alternative – only gaseous fuels may fulfill the Tier3 level without exhaust gases purification process. In prognosis about 650 ships (in high scenario about 2000) will be fuelled LNG in the year 2025. It was written why the liquid fuels stay unattractive. The basic problem is still the limited network of LNG distribution in ports and the lack of small vessels or barges for LNG bunkering. The proposition of design of LNG tank and barges were presented. The next problem is a deficiency of LNG bunker port in deep sea before entering the ECA areas. The controlled emission areas will extend in the near future. The LNG or CNG seemed to be the preferring fuel in industry due to CO2 emission limits and environmental taxes. The demand for LNG in prognosis to 2025 in bunker ports varies 0.1-18% of total fuel bunker depending on legislation and low or high case, in base case it will be 3%. It depends on the conviction of ship-owners that is no return from transition to the LNG or CNG ship fuelling. The examples to LNG ship conversion were described.
Źródło:
Journal of KONES; 2013, 20, 2; 159-166
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Natural gas engines - problems and challenges
Autorzy:
Kowalewicz, A.
Wojtyniak, M.
Powiązania:
https://bibliotekanauki.pl/articles/243241.pdf
Data publikacji:
2007
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engine
natural gas
dual-fuel engine
combustion duration
knock
Opis:
At former KONES one of the co-authors presented a paper, is which general information about natural gas properties, reserves, production and distribution were given and application to SI and CI engines was presented, compared and discussed. It was shown, that more promising is dual-fuel CI engine. There is a lot of information on combustion, emissions and performances of dual-fuel natural gas engines, but there are also blank areas and controversial opinions, which were pointed out and discussed in this paper. For example: why combustion processes are delayed in comparison with combustion of diesel fuel only. It is also not clear whether noise of dual-fuel engine is higher than that of diesel engine or lower (there are contradictory data). These problems are shown and discussed in this paper. The proposal of further research is presented. Ignition and combustion in dual-fuel natural gas engines is yet not fully recognized, especially: combustion duration, mechanism at gaseous and condensed phase burning, kinetics and diffusion controlled combustion, noise, knock and cycle-by-cycle variation. Optimization of control parameters on account of efficiency and emissions is still an open problem. Influence of natural gas composition and its changes on engine performance and emissions still demand estimation.
Źródło:
Journal of KONES; 2007, 14, 2; 273-282
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania wpływu parametrów wtrysku oleju napędowego na emisję cząstek stałych w dwupaliwowym doładowanym silniku zasilanym gazem naturalnym
Research on the impact of diesel injection parameters on particulate matters emission in a dual-fuel supercharged engine fueled with natural gas
Autorzy:
Skrzek, T.
Jarzyński, G.
Powiązania:
https://bibliotekanauki.pl/articles/316253.pdf
Data publikacji:
2018
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
silnik dwupaliwowy
gaz naturalny
spalanie
dual fuel engine
natural gas
combustion
Opis:
W artykule zaprezentowane zostały wyniki badań dwupaliwowego, doładowanego silnika o zapłonie samoczynnym, zasilanego gazem naturalnym. Celem głównym prowadzonych badań było określenie wpływu parametrów wtrysku inicjującej zapłon dawki oleju napędowego tj.: wielkość oraz kąt początku wtrysku na emisję cząstek stałych. Badania wykazały, że przy stosowaniu podziału dawki oleju napędowego na dawkę pilotującą i główną, pomimo znaczącego (70%) udziału energetycznego paliwa gazowego w spalanej mieszaninie emisja cząstek stałych jest porównywalna a nawet większa od tej uzyskanej na paliwie standardowym. Wcześniejsze badania silnika dwupaliwowego wykazały, że istnieje wyraźna potrzeba stosowania podziału dawki oleju napędowego na dawkę pilotującą i dawkę główną. Podział ten w istotny sposób wpływa na przebieg wywiązywania się ciepła a zarazem stanowi skuteczną metodę redukcji maksymalnej szybkości narastania ciśnienia spalania, co pozwala na zwiększania udziału paliwa dodatkowego. Z punku widzenia emisji cząstek stałych podział taki nie jest korzystny. Uzyskane wyniki badań wskazują, że wielkości dawek pilotującej i głównej oraz ich kąt początku wtrysku w istotny sposób wpływają na warunki tworzenia się cząstek stałych.
The paper presents the results of research on dual-fuel, compression ignition engine, powered by natural gas. The main objective of the conducted research was to determine the impact of injection parameters initiating the ignition of a diesel oil dose, i.e.: the size and injection timing, on the emission of particulate matters. Studies have shown that when using a split of the diesel dose for the pilot and main dose, despite the significant (70%) share of natural gas in the mixture being combusted, the emission of particulate matters is comparable and even higher than that obtained on standard fuel. Previous studies of the dual-fuel engine showed that there is a clear need to divide the diesel dose into a pilot dose and the main dose. This division significantly affects the course of heat release, and at the same time is an effective method of reducing the maximum rate pressure rise, which allows increasing the share of gaseous fuel. From the point of view of particulate emissions, such division is counterproductive. The obtained results indicate that the values of pilot and main doses and their injection timing significantly affect the conditions of formation of particulate matters.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2018, 19, 12; 233-237
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the possibility of using low speed twostroke dual-fuel engines for propulsion of sea-going vessels
Autorzy:
Giernalczyk, Mariusz
Powiązania:
https://bibliotekanauki.pl/articles/242311.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
natural gas
LNG carriers
low speed 2-stroke dual-fuel engines
Opis:
The use of gas/LNG to supply marine engines in addition to tangible economic benefits is also a method of limiting emissions of harmful substances into the atmosphere and meeting strict environmental protection regulations, especially in special areas. The technology of supplying liquid and gas fuels (Dual Fuel) is most easily used in four-stroke engines but the highest thermal efficiency is ensured by combustion two-stroke piston engines. However, in the first two-stroke dualfuel engines, the gas supply installation was more complicated than in the four-stroke engine. It resulted, among others from the necessity of compressing the gas to high pressures (15÷30 MPa), for which extremely energyconsuming multi-stage compression systems were needed. The complicated technical system is inherently prone to failures, which is why the dual-fuel low-speed two-stroke diesel engines remained for a long period in the design and experimental phase. In recent years, there has been a significant breakthrough thanks to the introduction of new solutions with the possibility of supplying two-stroke engines with low-pressure gas (less than 1.6 MPa). In recent years, many ships powered by two-stroke, dual-fuel internal combustion engines were commissioned. Some shipowners owning a fleet of LNG carriers with two-stroke diesel engines that so far have been powered only by liquid fuels have decided to adapt them to gas combustion. This required the adaptation of the engine for gas combustion and the expansion of the supply gas fuel system. This paper is an attempt to analyse the legitimacy of introducing two-stroke, dual-fuel internal combustion engines into the propulsion system and adaptation of engines that are already used to burn gas in them. It presents the changes introduced on one of the LNG gas carriers consisting in adapting the engine to gas combustion through modification of the cylinder head and fuel supply installation. Parameter results of the modified engines obtained during sea trials have been presented. Both advantages and disadvantages resulting from gas combustion have been pointed out. Finally, the possibility of this solution application to other LNG carriers was assessed.
Źródło:
Journal of KONES; 2019, 26, 2; 45-52
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
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