POLYTECHNIC UNIVERSITY OF BUCHAREST MACHINE ELEMENTS & TRIBOLOGY (OMTR) CG Building - Spl. Independentei 313, 060042 Bucharest www. omtr. pub. ro April 2004 MACHINE ELEMENTS & TRIBOLOGY 1/14
UPB Faculty of Mechanical Engineering (FIM) 12 Faculties in UPB Department of MACHINE ELEMENTS AND TRIBOLOGY HEAD: Prof. Mircea D. PASCOVICI 7 Professors (5 Ph. D advisors) 14 Associate Professors 6 Departments in FIM 7 Assistant Professors (Lecturers) 4 Assistants 6 + 12 Ph. D students 2 Technicians + 2 Secretaries April 2004 MACHINE ELEMENTS & TRIBOLOGY 2/14
Education Research Department of CENTRE FOR EXCELLENCE IN MECHANICAL ENGINEERING AND TRIBOLOGY MACHINE ELEMENTS AND TRIBOLOGY CNCSIS - ACCREDITATION HEAD: Prof. Mircea D. PASCOVICI Chairman: Prof. Mircea D. PASCOVICI Executive Manager: Assoc. Prof. Adrian PREDESCU Undergraduate courses in Machine elements and Mechanisms Tribology Management in Mechanical Engineering IT basis for Mechanical Engineering LABORATORIES (Teams) Tribology Mechanical transmissions Postgraduate courses for CAD-CAE in Mechanical Engineering Computer assisted mechanical engineering Biomedical Engineering April 2004 MACHINE ELEMENTS & TRIBOLOGY 3/14
TRIBOLOGY Laboratory LUBRICATION Hydrodynamic Bearings Viscous Couplings Thermo-hydro-dynamic lubrication studies with application to various machine elements Viscous Dampers & Vibrators Seizure, Optimal filter size, Oil contamination Viscous Pumps Thermal transients regime for automotive transmissions Seals (Mechanical Face Seals, Brush Seals) TEHD Instabilities, Phase change Temperature measurements by infrared Thermography (LMS-Poitiers) Image processing unit IR Camera Thermocouple Feeding arm Bellows Stator Rotor Mirror April 2004 MACHINE ELEMENTS & TRIBOLOGY 4/14
TRIBOLOGY Laboratory LUBRICATION OF TEXTURED SURFACES LUBRICATION OF CONFORMAL, LAYERED, COMPLIANT AND POROUS CONTACTS April 2004 MACHINE ELEMENTS & TRIBOLOGY 5/14
TRIBOLOGY Laboratory Test rigs Research subjects TIMKEN Linear contact machine CSM-CALOWEAR & PLINT TE-66 Spherical abrasion tester AMSLER Two roller machine • Tribological properties of coating materials • Mechanical properties of lubricants MYTUTOYO Roughness measurement Stick-slip machine • Friction and wear processes and phenomena • Reliability and durability of mechanical components • Tribology of human joint replacements • Tribological behaviour of materials in dry and boundary friction Four ball machine April 2004 MACHINE ELEMENTS & TRIBOLOGY 6/14
TRIBOLOGY Laboratory Tribology of human joint replacements April 2004 MACHINE ELEMENTS & TRIBOLOGY 7/14
TRIBOLOGY Laboratory FRANCE USA Laboratoire de Mecanique des Solides LMS- Universite de Poitiers Prof. Jean FRENE Prof. Dominique Bonneau (Angouleme) Universities from PITTSBURGH, CARBONDALE & BATON ROUGE Laboratoire de Mecanique et Acoustique Univ. de la Mediteranee Aix-Marseille Prof. Patrick CHABRAND Prof. Michael M. KHONSARY Tribology Laboratory ISRAEL TECHNION Israel Institute of Technology University of KOBE Prof. T. IWATSUBO Prof. Itzak ETSION April 2004 JAPAN MACHINE ELEMENTS & TRIBOLOGY 8/14
MECHANICAL TRANSMISSIONS RELIABILITY AND DURABILITY Various machine elements International cooperation Damage accumulation model Real loading model Modeling S-N (Wöhler) curves LOAD CAPACITY Gears, couplings Theoretical studies Experimental studies COPERNICUS SCOPES Belgium Italy Hungary Slovenia Switzerland VIBRATION AND NOISE Gears and gearboxes Measurements & Analyses Solutions for noise reduction PRODUCT DEVELOPMENT Various machine elements April 2004 Flexible product development MACHINE ELEMENTS & TRIBOLOGY 9/14
MECHANICAL TRANSMISSIONS Damage accumulation process Experimental S-N (Wöhler) curves Vibration spectrum at gearbox AK 6 April 2004 Buckling analysis at membrane flexible couplings MACHINE ELEMENTS & TRIBOLOGY 10/14
MECHANICAL TRANSMISSIONS Modern equipments Modern telemetry system for measurement vibrations and real loading April 2004 Modern system for performing real-time noise analysis (B & K 2260 Observer) MACHINE ELEMENTS & TRIBOLOGY 11/14
Computer assisted mechanical engineering Mechanical Engineering software Hardware 38 PC (P-III & P-IV) I-DEAS Auto. CADdy ADAMS Colour Plotter COSMOS FLUENT Smart. Board Math. CAD Visual C April 2004 MACHINE ELEMENTS & TRIBOLOGY 12/14
Computer assisted mechanical engineering Nonlinear FE modelling of interference joints April 2004 MACHINE ELEMENTS & TRIBOLOGY 13/14
Computer assisted mechanical engineering Electronic packaging Cooling modelling of personal computers April 2004 MACHINE ELEMENTS & TRIBOLOGY 14/14
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