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1 2009

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Research of influence of change of temperature mode on elastic-dissipative properties of suspensions

Lyaschenko M., Cherkashina E., Buryakov V., Lutin I.

Journal of KONES

2009

Vol. 16, No. 1

317-323

During the operation of the vehicle the friction in dissipative elements causes change of temperature mode. So there is a change in viscosity and volume of liquid. Also, change gas volume and pressure of elastic element. It has a significant impact on dissipative characteristic of suspensions as well as the elastic ones. The study of the rated model dedicated to the proces s of changing gas pressure and volume, as well as using as a working liquid oils with different densities and different viscosity changes depending on change of temperature mode. The rated model is presented basing on the elaboration, executed in Volgograd State Technical University in collaboration with Volgograd Engineering Company (ŤVMC" VgTZ). Researchers based on change of pressure of gas in elastic element at constant Volume; on change of volume of gas at constant pressure: on change of volume of liquid depending on used oil; on change of resistance of dissipative element at change of properties of liquid. In the paper example results of experimental researches of hvdromatic spring are presented. A comparison of resistance change of the shock-absorber at rise in temperature is worked out as well. Analysis of the obtained results indicates that essential influence has charting pressure.