Activities per year
Activities
- 25 results
Search results
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Member of assessment committee for PhD-student Hannibal Overgaard "Lubricant transport across piston rings in large two-stroke diesel engines – theory and experiments"
Arto Lehtovaara (Examiner)
11 Dec 2018Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of dissertation for PhD-student Charles Nutakor "An experimental and theoretical investigation of power losses in planetary gearboxes"
Arto Lehtovaara (Examiner)
21 Oct 2018Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Preliminary Examiner of dissertation for PhD-student Charles Nutakor "An experimental and theoretical investigation of power losses in planetary gearboxes"
Arto Lehtovaara (Examiner)
Jun 2018 → Sep 2018Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of dissertation for PhD-student Andrew Roiko "Interaction of non-metallic inclusions, microstructure, and fatigue loading with small crack growth in high-strength steels"
Arto Lehtovaara (Examiner)
27 Oct 2017Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Preliminary Examiner of dissertation for PhD-student Andrew Roiko "Interaction of non-metallic inclusions, microstructure, and fatigue loading with small crack growth in high-strength steels"
Arto Lehtovaara (Examiner)
15 Jun 2017 → 15 Aug 2017Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of dissertation for PhD-student Daniel Gebretsadik "Tribological characteristics of some multi-layered Pb-free engine bearing materials"
Arto Lehtovaara (Examiner)
11 May 2017Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Member of assessment committee for PhD-student Christian Christiansen "Diesel Engine Tribology"
Arto Lehtovaara (Examiner)
11 Apr 2016Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Pre-examiner of dissertation for PhD-student Timo J Hakala "Water-based boundary lubrication with biomolecule additives on diamond-like carbon and stainless steel surfaces"
Arto Lehtovaara (Examiner)
23 Sep 2015 → 2 Nov 2015Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of dissertation for PhD-student Oskari Elomaa "Carbon nanomaterials and carbon coatings in lubrication"
Arto Lehtovaara (Examiner)
17 Jun 2015Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Member of grading committee for PhD-student Jens Johansson "On the influence of gear oil properties on pitting"
Arto Lehtovaara (Examiner)
27 May 2015Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Member of assessment committee for PhD-student Shravan Janakiraman "The tribological and fatigue study of elastohydrodynamic bearing contacts in wind turbine gearboxes"
Arto Lehtovaara (Examiner)
20 Feb 2015Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of of doctoral thesis for Li Jinxia "Lubrication grease experiments and modelling for wall-bounded - and free-surface flow"
Arto Lehtovaara (Examiner)
19 Dec 2014Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of doctoral thesis for Sören Sjöberg "Influence of running-in on gear efficiency”
Arto Lehtovaara (Examiner)
24 Oct 2014Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Member of Assessment committee for PhD student Martin Felix Jorgensen "Aerodynamic and mechanical system modelling"
Arto Lehtovaara (Examiner)
27 Feb 2014Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Member of the assessment committee for PhD student Kim Thomsen “Modelling of dynamically loaded hydrodynamic bearings at low Sommerfeld numbers”
Arto Lehtovaara (Examiner)
2012Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of Dissertation: Vastaväittäjä: Nilsson, Daniel, Tribology for improved efficiency and durability of a hydraulic motor
Arto Lehtovaara (Examiner)
2011Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of Dissertation: Vastaväittäjä: Haugaard, Martin Asger, On Controllable Elastohydrodynamic Fluid Film Bearings
Arto Lehtovaara (Examiner)
2011Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Vastaväittäjä, opponent of doctoral thesis: Kela, L., Attenuating amplitude of pulsating pressure in a low pressure hydraulic system by an adaptive Helmholtz resonator
Arto Lehtovaara (Examiner)
2010Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Väitöskirjan esitarkastaja ja vastaväittäjä: Valkonen, A., Oil film presssure in hydrodynamic journal bearing
Arto Lehtovaara (Examiner)
2009Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Vastaväittäjä: McCarthy, D., Sliding bearing for hydropower applications - novel materials, surface texture and EALs
Arto Lehtovaara (Examiner)
2008Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Examiner / Opponent of Dissertation: Väitöskirjan esitarkastaja ja vastaväittäjä. Pre-examination and opponent od doctoral thesis: Strand, H., Design, Testing and Analysis of Journal Bearings for Construction Equipment
Arto Lehtovaara (Examiner)
2005Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Member of grading committee for PhD-student Torbjörn Almqvist "Computational fluid dynamics in theoretical simulations of elastohydrodynamic lubrication"
Arto Lehtovaara (Examiner)
15 Oct 2004Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent of dissertation for Tiina Ahlroos "Effect of lubricant on the wear of prosthetic joint material"
Arto Lehtovaara (Examiner)
28 Nov 2001Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Pre-examiner of Dissertation for Kai Laitinen "Wear damage prediction of sliding contacts applied to ball valves"
Arto Lehtovaara (Examiner)
11 May 2000Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students
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Opponent for PhD-student Kimmo K. Mäkelä "Characterization and performance of electrorheological fluids based on pine oils"
Arto Lehtovaara (Examiner)
21 May 1999Activity: Evaluation, examination and supervision › Pre-examination of dissertation or acting as opponent to doctoral students