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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-article-BUJ5-0031-0062

Czasopismo

Journal of KONES

Tytuł artykułu

Determination of ability of machines with hydraulic drive during start-up in low ambient temperatures

Autorzy Jasiński, R. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Combustion processes of liquid fuels are more complicated than gases fuels ones. With reference to liquid fuels appear additionally fuel vaporization processes and e.g. with reference to solid fuels - decomposition of the solid phase with processes melting, vaporization, pyrolysis, or gasification. Those processes demand a lot of heat, go ahead slow down than processes in gas phase. The influence of the gases pressure on combustion of liquid and solid fuels, where controlling processes are processes decomposition of these phases, is more complicated and fundamentally differs from the influence of the pressure on combustion processes of gases fuels. The influence is characterized to these that pressurization decreases the intensity decomposition both the liquid phase, and solid one. In the paper assumptions to a model of the combustion process and the model of combustion processes of liquid fuels are presented. Research of the atomization process, ignition and combustion with the using of the LDV and PDPA Doppler laser-equipment and PIV are presented in the paper. Research results of the atomized fuel spray concerning droplet diameters, research result of the atomized fuel spray concerning linear and volumetric dropletlet dispersion, Rosin-Rammler dependences, and results of the analysis of the combustion rate are presented in the paper. On combustion rate of liquid fuels, the essential influence has a kind (laminar, transient and turbulent) and the thickness of the thermal boundary layer around the fuel droplet.
Słowa kluczowe
EN hydraulic machines   hydraulic drives   diagnostics   hydraulic systems  
Wydawca Institute of Aviation
Czasopismo Journal of KONES
Rocznik 2009
Tom Vol. 16, No. 1
Strony 217--228
Opis fizyczny Bibliogr. 20 poz., rys.
Twórcy
autor Jasiński, R.
  • Gdansk University of Technology, Faculty of Mechanical Engineering Department of Hydraulics and Pneumatics Narutowicza 11/12, 80-233 Gdańsk, Poland tel: +48583472932, rjasinsk@pg.gda.pl
Bibliografia
[1] Balawender, A., Energy analysis and testing methods of low speed hydraulic motors, Scientific Bulletins of Gdansk University of Technology, Gdańsk, 1988.
[2] Jasiński, R., Operation of low-speed hydraulic motors in thermal shock conditions, Doctoral dissertation, thesis supervisor, A. Balawender, Gdańsk, 2002.
[3] Jasiński, R., Research methodology of low speed hydraulic motors in thermal shock conditions, the IXth Seminar „Drives and control 2003”, Gdańsk, 2003.
[4] Jasiński, R., Analysis of permissible start-up parameters for hydraulic motors in thermal shock conditions, the Xth Seminar „Drives and control 2004”, Gdańsk, 2004.
[5] Jasiński, R., Operation of hydraulic system control components in low ambient temperatures when supplied with hot working fluid, the IIIrd International Technical Diagnostics Congress „Diagnostic’2004”, Poznań, 2004.
[6] Jasiński, R., Operation of hydraulic components in low ambient temperatures, Scientific Conference, Mechanika 2005, Gdańsk, 2005.
[7] Jasiński, R., Assessment of suitability of hydraulic control components operated in low ambient temperatures, conference papers: Diagnostic’2008, Olsztyn, 2008.
[8] Jasiński, R., Experimental research of the multi-piston axial pump PWK 27 from HYDROTOR company in low ambient temperatures, Drives and control, journal No. 4/08, 2008.
[9] Jasiński, R., Methods of determination of correct operation area for hydraulic component in low ambient temperatures, Developments in Mechanical Engineering, Gdańsk, 2008.
[10] Osiecki, L., Multi-piston pumps with cam distribution, Seminar papers „Drives and control 2003” Gdańsk, 2003.
[11] Cibiorski, W., Ability of vehicle of hydraulic system working in different climatical conditions. Graduation paper, thesis supervisor R. Jasiński, Gdańsk University of Technology, 2008.
[12] Books and catalogues from Bosch Rexroth company
[13] Catalogues from Hydrotor company
[14] Catalogues from ZUO Hydroster company
[15] Catalogues from Parker company
[16] Catalogues from Sauer-Danfoss company
[17] Catalogues from Liebherr company
[18] Catalogues from Claas company
[19] Catalogues from Advantech company
[20] Catalogues from Linde company
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