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Master's Thesis
Author of thesis: Ing. Jan Stifter
Acad. year: 2017/2018
Supervisor: doc. Ing. Milan Omasta, Ph.D.
Reviewer: doc. Dr. Ing. Pavel Polach
Presented diploma thesis deals with experimental study of fluid induced instabilities which occur in rotating machinery with journal bearings. The first part describes the oil whirl and oil whip instabilities. It also gives an example of optical methods used for observation of journal bearings. Next part is dedicated to modifications of an existing test rig that were necessary for carrying out experiments. Finally, there are presented results of experiments that define the effect of initial conditions on appearance of instabilities.
Fluid-induced instability, journal bearings, optical observation, oil whirl, oil whip.
Date of defence
19.06.2018
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Language of thesis
Czech
Faculty
Fakulta strojního inženýrství
Department
Institute of Machine and Industrial Design
Study programme
Mechanical Engineering (M2I-P)
Field of study
Mechanical Engineering Design (M-KSI)
Composition of Committee
prof. Ing. Martin Hartl, Ph.D. (předseda) doc. Ing. Ivan Mazůrek, CSc. (místopředseda) doc. Ing. David Paloušek, Ph.D. (člen) prof. Ing. Marián Dzimko, CSc. (člen) Ing. Radomír Mendřický, Ph.D. (člen) doc. Ing. Pavel Maňas, Ph.D. (člen) doc. Dr. Ing. Pavel Polach (člen) Ing. Kateřina Dočekalová, Ph.D. (člen) prof. Ing. Pavel Hutař, Ph.D. (člen)
Supervisor’s reportdoc. Ing. Milan Omasta, Ph.D.
Grade proposed by supervisor: A
Reviewer’s reportdoc. Dr. Ing. Pavel Polach
Grade proposed by reviewer: A
Responsibility: Mgr. et Mgr. Hana Odstrčilová