Calculation of hydraulic channels of drives with taking in to account temperature and viscosity changes

Authors

  • A. М. Murashchenko Київський політехнічний інститут ім. Ігоря Сікорського, Ukraine
  • A. P. Gubarev Київський політехнічний інститут ім. Ігоря Сікорського, Ukraine
  • O. M. Yakhno Київський політехнічний інститут ім. Ігоря Сікорського, Ukraine
  • O. V. Tyzhnov ДП "Антонов", Ukraine

DOI:

https://doi.org/10.20535/2521-1943.2018.83.118414

Keywords:

hydraulic drive, fluid, temperature, velocity, viscosity, flow, pressure

Abstract

The thermal hydraulic investigation of hydraulic channels is presented. Changes of pressure and flow values due to non-steady thermodynamic processes were considered. Main aim of investigation is to ensure hydraulic calculation, that had been made to predict working characteristics of hydraulic drives at design stage, for the variable temperature environment. Structural analyses of the flow circumstances along channels were made with taking in to account temperature gradient and viscosity changes. Numerical simulation had been made to find out period of velocity stabilization and its value. The investigation considers geometry and shape of channels via taking in to account pressure reduction and velocity changes in hydraulic system. Results of investigation allow to increase the precision of hydraulic calculation for drive, that works at variable temperature and none-stable modes, using proposed method.

Author Biographies

A. М. Murashchenko, Київський політехнічний інститут ім. Ігоря Сікорського

Кафедра ПГМ, асистент

A. P. Gubarev, Київський політехнічний інститут ім. Ігоря Сікорського

Кафедра ПГМ, професор

O. M. Yakhno, Київський політехнічний інститут ім. Ігоря Сікорського

Кафедра ПГМ, професор

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Published

2018-10-26

How to Cite

[1]
Murashchenko A. М., A. P. Gubarev, O. M. Yakhno, and O. V. Tyzhnov, “Calculation of hydraulic channels of drives with taking in to account temperature and viscosity changes”, Mech. Adv. Technol., no. 2(83), pp. 5–10, Oct. 2018.

Issue

Section

Original study