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Author:... Łukasz Konieczny , Jan Warczek , Witold Cioch
Data Source:[J].Mechanics Research Communications(IF 1.05), 2016Elsevier
Abstract:Abstract(#br)The paper addresses the adaptation of linear decimation procedures (LDP) for time-frequency representation (TFR) analysis of non-stationary vibration signals of vehicle suspension. It is extremely important for designing suspensions elements to achieve proper charact...
Author:Jan WARCZEK
Data Source:[J].Transport Problems : an International Scientific Journal, 2009, Vol.4 (3+part+2), pp.91DOAJ
Abstract:The symptom of stiffness or damping element wear is change of their characteristic. In paper presented new identification method of dynamic parameters flexible elements of suspension. The determining of damping characteristic was carried out during routine operation. Developed pr...
Author:Jan WARCZEK
Data Source:[J].Transport Problems, 2009, Vol.4 (3 part 2), pp.91-96DOAJ
Abstract:The symptom of stiffness or damping element wear is change of their characteristic. In paper presented new identification method of dynamic parameters flexible elements of suspension. The determining of damping characteristic was carried out during routine operation. Developed pr...
Author:Janusz GARDULSKI , Jan WARCZEK
Data Source:[J].Transport Problems : an International Scientific Journal, 2008, Vol.3 (1), pp.19DOAJ
Abstract:In telescopic shock absorbers there are two kinematic pairs where dry,semi-dry or fluid friction is most likely to occur. Higher values of friction forces are noted in piston rod-slideway pair due to its sealing function and consequently worse lubricating conditions. The aim of t...
Author:Janusz GARDULSKI , Jan WARCZEK
Data Source:[J].Transport Problems, 2008, Vol.3 (1), pp.19-24DOAJ
Abstract:In telescopic shock absorbers there are two kinematic pairs where dry,semi-dry or fluid friction is most likely to occur. Higher values of friction forces are noted in piston rod-slideway pair due to its sealing function and consequently worse lubricating conditions. The aim of t...
Author:Jan WARCZEK , Kamil BRONCEL
Data Source:[J].Scientific Journal of Silesian University of Technology. Series Transport, 2015, Vol.86, pp.117-129DOAJ
Abstract:The article presents the results of simulation tests, which aim was to validate the method of determining the damping characteristics of the suspension vehicle. The developed method was used for the implementation of the program in LabView environment. The study used the results ...
Author:Jan WARCZEK , Mateusz JUZUŃ
Data Source:[J].Scientific Journal of Silesian University of Technology. Series Transport, 2016, Vol.90, pp.195-204DOAJ
Abstract:The article presents the aims and objectives of the process of non-destructive testing of turbine aircraft engines using visual methods indirect use of endoscopy. Presents brief characteristics of the construction of engines tested, analyzed the diagnostic procedures used in non-...
Author:Jan Warczek , Jakub Młyńczak ...
Data Source:[J].Journal of Vibroengineering(IF 0.452), 2015, Vol.17 (4), pp.2040-2048JVE
Abstract:This paper presents results of simulation of visco-elastic dampers based on the model of the vehicle shock absorber. The aim of this research is to determine the parameters of dynamic models of special dampers applicable in advanced vehicle suspension systems. One of the key issu...
Author:Jan Warczek , Piotr Czech ...
Data Source:[J].Journal of Vibroengineering(IF 0.452), 2015, Vol.17 (8), pp.4469-4477JVE
Abstract:The paper presents results of a vibroacoustic signal analysis of the unsprung mass in a car actuated by harmonic kinematic vibrations. A passenger car with a hydropneumatic suspension system and standard tires was examined. Different tire pressures were used during the experiment...
Author:Jan Warczek , Robert Jaworski
Data Source:[J].Transport Problems, 2018, Vol.13 (2), pp.81-90Exeley 公司
Abstract:This article presents results of tests of the effect exerted by technical condition of shock absorbers on the braking efficiency of an automotive vehicle. The tests were conducted using Fiat Seicento featuring front shock absorbers which enabled shock-absorbing fluid-level adjust...

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