Project detail

Roughness Induced Effects in Transient Elastohydrodynamic Contacts

Duration: 01.01.2014 — 31.12.2016

Funding resources

Czech Science Foundation - Standardní projekty

- whole funder (2014-01-01 - 2016-12-31)

On the project

Cílem projektu je objasnit procesy probíhající v elastohydrodynamicky mazaných kontaktech za přítomnosti modelových povrchových nerovností při dynamických změnách provozních podmínek. Projekt bude mít významný experimentální přínos, který spolu s numerickými simulacemi přispěje k rozšíření poznání

Description in English
The objective of this project is to bring an insight into processes involved in elastohydrodynamic contacts with artificial roughness features under transient conditions. The project will provide extensive experimental contribution followed by numerical simulations to extend the current recognition.

Keywords
Elsatohydrodynamické mazání, optická interferometrie, tloušťka mazacího filmu, modelové povrchové nerovnosti, přechodové provozní podmínky

Key words in English
elastohydrodynamic lubrication, optical interferometry technique, film thickness, artificial roughness features, transient conditions

Mark

GA14-31016S

Default language

Czech

People responsible

Hartl Martin, prof. Ing., Ph.D. - principal person responsible

Units

NCC MESTEC - Machine and Industrial Design Division
- beneficiary (2014-01-01 - 2016-12-31)

Results

ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The effect of surface grooves on film breakdowns in point contacts. Tribology International, 2016, vol. 102, no. 1, p. 249-256. ISSN: 0301-679X.
Detail

FRÝZA, J.; ŠPERKA, P.; KANETA, M.; KŘUPKA, I.; HARTL, M. Effects of lubricant rheology and impact speed on EHL film thickness at pure squeeze action. Tribology International, 2016, vol. 106, no. 2, p. 1-9. ISSN: 0301-679X.
Detail

CUI, J. P.; YANG, P.; KANETA, M.; KŘUPKA, I. Numerical study on the interaction of transversely oriented ridges in thermal elastohydrodynamic lubrication point contacts using the Eyring shear-thinning model. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2017, vol. 231, no. 1, p. 93-106. ISSN: 1350-6501.
Detail

ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental Study of Roughness Effect in a Rolling-Sliding EHL Contact. Part II: Complementary Effects. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, no. 2, p. 277-285. ISSN: 1040-2004.
Detail

ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental Study of Roughness Effect in a Rolling–Sliding EHL Contact. Part I: Roughness Deformation. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, no. 2, p. 267-276. ISSN: 1040-2004.
Detail

FICZA, I.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effect of Kinematic Operating Conditions on Ridge Deformation—Numerical Study With Experimental Comparison. ASME Transaction, Journal of Tribology, 2017, vol. 139, no. 3, p. 031502-031509. ISSN: 0742-4787.
Detail

Responsibility: Hartl Martin, prof. Ing., Ph.D.