Influence of viscosity and compressibility of aerated oil on determination of volumetric losses in a variable capacity piston pump

• Autorzy: Koralewski J.
• Języki publikacji: EN

Abstrakty

EN

Modulus B of the liquid volume elasticity of non-aerated and aerated oil is defined in the paper as relation to the indicated increase of pressure in the pump working chambers, with the change of oil temperature and degree of aeration. In evaluation of the losses due to oil compressibility in a variable capacity displacement pump, the volume of compressed liquid at each pump setting is taken into account. Volumetric losses have been divided into leakage losses in the pump chambers and losses due to liquid compressibility. The need of accounting for only the leakage losses for pump evaluation is pointed out.

Słowa kluczowe

EN

hydrostatic drive; variable capacity displacement pump; liquid aeration; method of determining the degree of liquid aeration

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2013
• Tom: nr 4
• Strony: 3--17
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Koralewski J.

• Faculty of Ocean Engineering and Ship Technology Gdansk University of Technology Narutowicza 11/12 80-233 Gdansk, POLAND

Bibliografia

• 1. Koralewski J.: Influence of hydraulic oil viscosity on the volumetric losses in a variable capacity piston pump. Chapter in the monograph: „Research, design, production and operation of hydraulic systems” (in Polish) Adam Klich, Antoni Kozieł and Edward Palczak editors. „Cylinder” Library. „Komag” Mining Mechanisation Centre, Gliwice 2011
• 2. Koralewski J.: Influence of hydraulic oil viscosity on the volumetric losses in a variable capacity piston pump. „Napędy i sterowanie”, scientific monthly, 9 /2011
• 3. Koralewski J.: Influence of hydraulic oil viscosity on the volumetric losses in a variable capacity piston pump. Polish Maritime Research 3, 2011, Vol. 18
• 4. Paszota Z.: Effect of the working liquid compressibility on the picture of volumetric and mechanical losses in a high pressure displacement pump used in a hydrostatic drive. Part I Energy losses in a drive system, volumetric losses in a pump//International Scientific-Technical Conference Hydraulics and Pneumatics, Wrocław, 16 – 18 maja 2012 / Ośrodek Doskonalenia Kadr SIMP - Wrocław : ODK SIMP we Wrocławiu, 2012,
• 5. Paszota Z.: Effect of the working liquid compressibility on the picture of volumetric and mechanical losses in a high pressure displacement pump used in a hydrostatic drive. Part II Mechanical losses in a pump //International Scientific-Technical Conference Hydraulics and Pneumatics, Wrocław, 16 – 18 maja 2012 / Ośrodek Doskonalenia Kadr SIMP - Wrocław : ODK SIMP we Wrocławiu, 2012,
• 6. Paszota Z.: Effect of the working liquid compressibility on the picture of volumetric and mechanical losses in a high pressure displacement pump used in a hydrostatic drive. Part I Energy losses in a drive system, volumetric losses in a pump// Polish Maritime Research 2/2012, Vol. 19
• 7. Paszota Z.: Effect of the working liquid compressibility on the picture of volumetric and mechanical losses in a high pressure displacement pump used in a hydrostatic drive. Part II Mechanical losses in a pump // Polish Maritime Research 3, 2012, Vol.19
• 8. Paszota Z.: Theoretical and mathematical models of the torque of mechanical losses in the pump used in a hydrostatic drive (in Polish). Chapter in the monograph: „Research, design, production and operation of hydraulic systems” (in Polish) Adam Klich, Antoni Kozieł and Edward Palczak editors. „Cylinder” Library. „Komag” Mining Mechanisation Centre, Gliwice 2011
• 9. Paszota Z.: Theoretical and mathematical models of the torque of mechanical losses in the pump used in a hydrostatic drive. (in Polish). „Napędy i sterowanie”, scientific monthly 10/2011
• 10. Paszota Z.: Theoretical models of the torque of mechanical losses in the pump used in a hydrostatic drive. Polish Maritime Research 4 / 2011, Vol. 18
• 11. Guillon M.: Theory and calculation of hydraulic systems (in Polish). Wydawnictwa Naukowo-Techniczne Warszawa 1967
• 12. Osiecki A.: Hydrostatic drive of machine (in Polish). Wydawnictwa Naukowo-Techniczne Warszawa 2004
• 13. Paszota Z.: Method of determination the degree of liquid aeration in a variable capacity displacement pump. //Polish Maritime Research 3/2013, vol.20