Abstract
The article elaborates simplified thoughts of the effect of the size of the air bubbles and their interactions on the shock fluid compressibility. When fluid flows through the throttle hole, pressure drop occurs and the dissolved air is released from the liquid in the form of bubbles. These bubbles can influence the stiffness of the liquid. If such effect occurs e.g. in a hydraulic shock absorbers, than the damper stops perform its function. This phenomenon is called the delay. Releasing the air into the liquid can be observed even at low piston speed of the damper. However for low piston speeds the delay does not occur, the liquid and containing air bubbles behave as incompressible.
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Reference
Šklíba, J., Svoboda, R.: On the problem of dependence of damper force on the concentration of free air in working liquid. In: Springer Proceedings in Physics, Vibrations Problems, ICOVP-2007, 2008. ISBN 978-1-4020-9091-2
Acknowledgments
This publication was written at the Technical University of Liberec, Faculty of Mechanical Engineering with the support of the Institutional Endowment for the Long Term Conceptual Development of Research Institutes, as provided by the Ministry of Education, Youth and Sports of the Czech Republic in the year 2016.
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Sivčák, M., Hruš, T. (2017). Influence of Bubbles in the Shock Liquid at Its Compressibility. In: Beran, J., Bílek, M., Žabka, P. (eds) Advances in Mechanism Design II. Mechanisms and Machine Science, vol 44. Springer, Cham. https://doi.org/10.1007/978-3-319-44087-3_27
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DOI: https://doi.org/10.1007/978-3-319-44087-3_27
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