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1
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Journal of KONES
EN The article presents future requirements concerning emission of toxic components of exhaust gases valid for Diesel engine passenger cars. Questions connected with fulfilment of these standards were discussed. Chosen structural solutions permitting fulfilment of future requirements concerning emissio[...]
2
100%
Journal of KONES
EN In the spark ignition engines with air cooling system the thermal loads of the cylinders and cylinder heads are much bigger than in the water-cooled engines and the loads are not uniform on the whole surface of these elements. Recently most of the cylinders and cylinder heads of the two-wheel vehicl[...]
3
100%
Journal of KONES
EN Decreasing of fuel consumption and high hydrocarbon emission in a SI two-stroke engine applied in motorcycles, scooters and small power units is possible by change of fuelling system on direct fuel injection. The main problem of mixture formation is short time for fuel evaporation after injection wh[...]
4
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Journal of Polish CIMAC
EN Reliability and durability are the most important features of the combustion engines. The significant influence on these features has construction, production technology, and proper selection of materials. Regardless of precise producing the cooperative elements of the engine should undergo the runn[...]
5
80%
Journal of KONES
EN In the article the results of experimental tests carried out on the modified SI two-stroke experimental combustion engine with direct fuel injection system and the prototype of the oxidizing catalytic converter are presented. Volumetric exhaust emissions of the most important chemical components are[...]
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80%
Journal of KONES
EN Nowadays in automotive industry, the applying of gaseous fuels and particularly compressed natural gas both in SI and CI engines is more frequent. Application of CNG in the spark ignition internal combustion engines is more real than never before. The paper describes a problem of ignition of CNG mix[...]
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Autobusy : technika, eksploatacja, systemy transportowe
2013 R. 14, nr 3 417-427
PL Wraz ze zmniejszeniem długości korbowodu przy niezmiennej długości korby podczas pracy silnika spalinowego szczególnie podczas suwu pracy następuje zwiększenie docisku tłoka do tulei cylindrowej. Jednak problem zwiększonego oddziaływania tłoka na cylinder rozpatrywane było w literaturze silnikowej w[...]
EN Unfortunately, along with the reduction of the length of the conrod with an immutable length crank while engine especially when work is increasing the thrust of the piston move to an cylinder which was already described in many studies. The purpose of the article is the comparative analysis of the h[...]
8
80%
Journal of KONES
EN Pistons of internal-combustion engines are the most loaded elements of internal-combustion engines, belong to these specialistic elements, which have essential influence on the ecological properties of engines, their durability and reliability. The object of paper is pistons manufactured from the st[...]
9
80%
Journal of KONES
EN The paper presents a conception and mathematical model of the hydraulic valve timing system. It describes the complex physical phenomena that occur between system components and the hydraulic liquid. Basing on postulates and initial conditions model, one was simulated the movement of elements system[...]
10
80%
Journal of KONES
EN The results of selected research of the results of the combustion engine cooling system which works with higher coolant temperatures are presented in this paper. The temperature of this liquid was increased to a higher level than the temperature of boiling water in normal conditions, by decreasing o[...]
11
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Journal of KONES
EN The paper presents combustion process in loop scavenging two-stroke engine with high pressure direct injection of gasoline. A new method of determination of heat release rate on the base of experimental test in a two-stroke engine with direct gasoline injection is also presented. The target of the w[...]
12
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Journal of KONES
EN Review is made of the positive features and the current limitations associated with the use of hydrogen as a spark ignition engine fuel. It is shown that hydrogen has excellent prospects to achieve very satisfactory performance in engine applications that may be superior in many aspects to those wit[...]
13
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Journal of KONES
EN In the future many of spark ignition engines will be fuelled by the direct injection of the compressed natural gas. The spark ignition engines fuelled by CNG with lean and stratified charge in a low load mode require much more controlling of the air-fuel ratio than the diesel engines. The paper desc[...]
14
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Journal of KONES
EN The paper presents an attempt to evaluate the wear of piston-cylinder assembly with the aid of vibration signal recorded on spark ignition (SI) engine body. The subject of the study was a four-cylinder combustion engine 1.2 dm3. Diagnosing combustion engines with vibration methods is specifically di[...]
15
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Journal of KONES
EN In this article method of a visualization of a process of injection and burning of the air-fuel mixture was presented in cylinder of engine GDI. Intention of the visualization is a possibility of a determining and a selection how the most profitable parameters of injection for the work of engine dur[...]
16
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Journal of KONES
EN The paper presents the possibility of use of the pneumatic piston engine with two-stroke cycle of the work as an alternative drive source or additional power for the battery regeneration in the electric vehicles. The energy for the engine work is taken from the energy of the air stored at high press[...]
17
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Journal of KONES
EN The results of the investigations of the post and exploitation emissions of the harmful components of the fumes of engines from CI were introduced In the work. Obtained results were subjected to a statistical study according to new computer procedures. Qualitative and quantitative reports were estab[...]
18
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Journal of KONES
EN On the background of a current level of the aircraft power plants modernities presented here is the trial settlement of the possible directions of their further development - resultant from the current and future economic, military, sports needs. The general direction of development of all types of [...]
19
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Journal of KONES
EN The purpose of investigation was comparison of engine's output while equipped with different types of turbocharging systems. Engine used during research was Toyota's SI engine with displacement of 1296 cm3. Intake and exhaust manifold were modified by introducing fixed and variable geometry turbocha[...]
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Journal of KONES
EN The following paper includes adjustable ratio spark ignition engine's total efficiency analysis. Main modification of the engine is mounting of crankshaft on eccentric mechanism. Paper presents schemes of eccentric mechanism implemented in developed engine as well as adjustable compression ratio con[...]
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