Search results for: Krzysztof Siczek

Items from 1 to 13 out of 13 results

article

The effect of machined valve springs application on dynamic properties of electro-hydraulically driven valve train

Tomasz Szydłowski, Krzysztof Siczek, Michał Głogowski

Combustion Engines > 2022 > R. 61, nr 4 > 92--120

Nowadays, the constant striving to reduce the emission and increase the overall efficiency over a wide range of speeds and loads of the internal combustion engine (CE) is observed. The different methods for improving the charge exchange in the engine, particularly ones based on the variable valve timing are sought. This variability can be achieved, among others by using the electrohydraulic valve...

article

Research of damage to the rear wheel rim in a tipper-truck

Przemyslaw Kubiak, Marek Wozniak, Sergiusz Zakrzewski, Krzysztof Siczek, more

Bulletin of the Polish Academy of Sciences. Technical Sciences > 2022 > Vol. 70, nr 3 > art. no. e141000

Serious damage to the inner rim of the rear twin wheel in one dump truck was noted during the operation of the fleet performing transport tasks. It was a drive wheel, and its damage occurred while driving with a load exceeding the permissible value. The examination of selected fragments of the damaged rim surface was conducted visually as well as using a digital microscope with a portable head. The...

article

Design of constant velocity joint puller for passenger vehicles and light trucks

Bogdan Derbiszewski, Marek Wozniak, Sergiusz Zakrzewski, Gabriel Verdeaux, more

Technologia i Jakość Wyrobów > 2022 > R. 67 > 26--38

Replacing components on an already assembled inertia shaft of a car transmission system can be tedious and detrimental to some components, so using a puller instead of a tool like a hammer can help you get the job done safely and faster. The aim of the study was to evaluate the performance of the designed fixed-speed puller, allowing easier access to the shaft. Based on the geometry of the existing...

article

Problems with glow plug - a review

Marek Woźniak, Gustavo Ozuna, Krzysztof Siczek

Combustion Engines > 2021 > R. 60, nr 3 > 11--30

Despite the development of hybrid and electric vehicles, a many-million population of cars with combustion engines, and particularly CI engines occurs on the roads. Also, many stationary CI engines are still utilized. Despite their improved technologies and characteristics the modern CI engines negatively affect an environment due to cold starting problems. Below 0°C, engine starts are problematic...

article

The Study on the Damage of the Rear-Axle Shaft in a KIA Truck

Marek Wozniak, Gustavo Ozuna, Krzysztof Siczek

Advances in Science and Technology. Research Journal > 2020 > Vol. 14, no 4 > 115--124

Nowadays, trucks are widely used in the freight transport. Every accident involving a truck as well as any longer disruption of its traffic flow causes great losses. The considered disturbance in traffic flow occurred for a truck with dual tires on its rear axle resulted from the damage to the power transmission system from the engine to the drive wheels of the track. Investigating the cause of one...

article

The effect of dynamics of the swash plate-slippers-piston assembly on friction torques in bearings in compressor of cooling aggregate

Marek Woźniak, Tomasz Szydłowski, Krzysztof Siczek

Mechanics and Mechanical Engineering > 2020 > Vol. 24, nr 1 > 42--55

The swash plate type compressor utilized in car air conditioning devices and cooling system was analyzed in this study. Proper dynamic behavior of the components in such a compressor affected the correct functioning of the whole system. The aim of the study was to identify the characteristics of the main motion components in the swash plate-slippers-piston assembly of the compressor and to estimate...

article

Analysis of dynamics and friction resistance in the cam-tappet system

Krzysztof Siczek, Andrzej Stefański

Journal of Theoretical and Applied Mechanics > 2019 > Vol. 57 nr 1 > 273--286

In this paper, the influence of friction resistance and mutual contact interaction on dynamical properties of the cam-tappet mechanism is analyzed. A dynamical model of the cam-tappet contact has been developed. Chosen results of numerical simulations of this model are presented for cases with and without oil lubrication in contact zones. Various phenomena accompanying the cam-tappet contact dynamics...

article

Li-S battery recycling

Krzysztof Siczek

Research in Logistics & Production > 2019 > Vol. 9, No. 2 > 125--135

Lithium-ion batteries are not situable for electric vehicles with high millage, military power supplies and fixed power networks. Therefore, the Li-S batteries have been intensively investigated, due to the high capacity, low cost, widespread source, and nontoxicity. The development of Li-S batteries causes increasing need to find the methods for their recycling. Some of them are discussed in the...

article

The effect of SiO2 nanoparticles content in engine oil on tribological properties of valvetrain chain transmission components

Edward Spinache, Adrian Trandafir, Mihai Diaconu, Gustavo Ozuna, more

Combustion Engines > 2019 > R. 58, nr 4 > 4--12

The drive from the crankshaft to the camshaft in an internal combustion engine is usually carried out by means of a cogged belt transmission or a chain transmission when high millage is required without service operations. The valvetrains in CI engines sometimes use the gear transmissions, and the historical rather bevel gear can be found in old cars of collectors or in some motorcycle engines. The...

article

Modern vehicles for refrigeration

Krystian Siczek, Krzysztof Siczek

Autobusy : technika, eksploatacja, systemy transportowe > 2018 > R. 19, nr 6 > 718--722, CD

The article contains an overview of modern solutions for refrigerated vehicles. The most important manufacturers of refrigerated trailers were described. Then, solutions based on adaptation of a refrigeration vehicle were discussed. The characteristics of popular trailers, trailers and bodies used as refrigerators were presented. The telematics systems and aggregates used in refrigerated vehicles...

article

The utilization of Al2O3 nanoparticles in combustion engines

Krystian Siczek, Krzysztof Siczek

Autobusy : technika, eksploatacja, systemy transportowe > 2018 > R. 19, nr 12 > 642--645

The methods used for obtaining Al2O3 nanoparticles were discussed in the paper. The utilization of Al2O3 nanoparticles to improve thermal conduction and tribological properties in different media including engine oil was presented therein.

article

Synthesis and evaluation of anti‐inflammatory properties of silver nanoparticle suspensions in experimental colitis in mice

Krzysztof Siczek, Hubert Zatorski, Anna Chmielowiec‐Korzeniowska, Jolanta Pulit‐Prociak, more

Chemical Biology & Drug Design > 89 > 4 > 538 - 547

The aim of our study was to investigate the effect of newly developed silver nanoparticle aqueous suspensions NanoAg1 and NanoAg2 in the mouse models mimicking ulcerative colitis and Crohn's disease. NanoAg1 and NanoAg2 were synthesized in aqueous medium with the involvement of tannic acid. To elucidate their anti‐inflammatory activity, semi‐chronic mouse models of inflammation induced by dextrane...

article

Lekkie rozwiązania w przemyśle samochodowym

Krystian Siczek, Krzysztof Siczek

Autobusy : technika, eksploatacja, systemy transportowe > 2017 > R. 18, nr 12 > 1311--1314, CD

W artykule omówiony został wpływ stosowania lekkich rozwiązań w przemyśle samochodowym na rozwój stosowanych cieczy roboczych przy obróbce plastycznej elementów pojazdów.

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INFONA - science communication portal

Search results for: Krzysztof Siczek

The effect of machined valve springs application on dynamic properties of electro-hydraulically driven valve train

Research of damage to the rear wheel rim in a tipper-truck

Design of constant velocity joint puller for passenger vehicles and light trucks

Problems with glow plug - a review

The Study on the Damage of the Rear-Axle Shaft in a KIA Truck

The effect of dynamics of the swash plate-slippers-piston assembly on friction torques in bearings in compressor of cooling aggregate

Analysis of dynamics and friction resistance in the cam-tappet system

Li-S battery recycling

The effect of SiO2 nanoparticles content in engine oil on tribological properties of valvetrain chain transmission components

Modern vehicles for refrigeration

The utilization of Al2O3 nanoparticles in combustion engines

Synthesis and evaluation of anti‐inflammatory properties of silver nanoparticle suspensions in experimental colitis in mice

Lekkie rozwiązania w przemyśle samochodowym

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