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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Testing of Rail Lubricants Performance
 Tomčová, Renata ; Polach, Pavel (referee) ; Galas, Radovan (advisor)
Top-of- rail lubricants are an effective way to control adhesion, reduce contact wear and noise in rail transport. However, despite the widespread use of these lubricants, there is currently no standard defining how to test and evaluate their performance. This work aims to develop a methodology for testing top-of-rail lubricants in a laboratory environment using a tribometer in a ball-on-disk configuration. At first, important operational parameters of experiments are analyzed and experimentally tested. These are mainly wear-in and run-in, method of application, roughness and geometric parameters of contact bodies. The result of this work is a testing methodology that guarantees good repeatability and reliability of results. In the last part of this work, the methodology is verified using commercial top-of-rail lubricants.
Detailed record
Testing of Rail Lubricants Performance
 Tomčová, Renata ; Polach, Pavel (referee) ; Galas, Radovan (advisor)
Top-of- rail lubricants are an effective way to control adhesion, reduce contact wear and noise in rail transport. However, despite the widespread use of these lubricants, there is currently no standard defining how to test and evaluate their performance. This work aims to develop a methodology for testing top-of-rail lubricants in a laboratory environment using a tribometer in a ball-on-disk configuration. At first, important operational parameters of experiments are analyzed and experimentally tested. These are mainly wear-in and run-in, method of application, roughness and geometric parameters of contact bodies. The result of this work is a testing methodology that guarantees good repeatability and reliability of results. In the last part of this work, the methodology is verified using commercial top-of-rail lubricants.
Detailed record

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