School of Mechanical Engineering

National Technical University of Athens


Assistant Professor


Address: National Technical University of Athens,
Heroon Polytechniou 9, 15780 Zografou, Athens, Greece,
School of Mechanical Engineering, Section of Mechanical
Design & Automatic Control
, Building Ε. 
Tel.  (+30) 210 772-3681. 
Fax  (+30) 210 772-. 
email: This email address is being protected from spambots. You need JavaScript enabled to view it. 
Personal Homepage: http://users.ntua.gr/chasalevris/


Short Curriculum Vitae


Studies

2009 Doctor of Philosophy, Rotordynamics, University of Patras
2004 Dipl. Mechanical & Aeronautical Engineer, University of Patras


Professional Experience

2018 - today Assistant Professor, School of Mechanical Engineering, NTUA
2016 Senior Rotordynamic Engineer – Team Leader & Product Owner (Bearings), Turbine Power Systems, General Electric, UK
2015 Senior Rotordynamic Engineer & Product Owner (Bearings), Turbine Power Systems, General Electric, UK
2015 Rotordynamic & Mechanical Integrity Engineer, Industrial Steam Turbines, ALSTOM Power, UK
2013 Ingenieur Rotordynamik, BorgWarner Turbosystems, Germany
2012 Postdoctoral Researcher, Technical University Darmstadt, Germany
2010 Postdoctoral Researcher Alexander von Humboldt, Technical University Darmstadt, Germany


Research

- Turbomachinery Rotordynamics (Turbines/Turbosystems) with nonlinearities.
- Analytical solutions on the nonlinear design evaluation of Turbosystems.
- Development of controllable/smart fluid film bearings of variable geometry for the vibration suppression and optimized operation in turbomachinery.
- Tribology.
- Analytical Solutions in Design of Journal Bearings (Fluid Mechanics).
- Time-Periodic Systems (nonlinear rotordynamics).
- Fracture Mechanics (Cracked Rotors).
- Diagnostics (Journal Bearing Defects).


Distinctions

2017 General Electric Co. Award '"Beyond and Ahead"
2010 Research fellowship award for postdoctoral researchers, Alexander Von Humboldt Foundation
2004 Award from the Technical Chamber of Greece (TEE) for the excellence of studies in Mechanical Engineering


Member of:
IFToMM (TC Rotordynamics), EUROMECH, ASME, Technical Chamber of Greece.


Current Duties


Teaches at NTUA
Undergraduate: Machine Elements I, Mechanisms and Introduction to Mechanical Design.