Alexandrina Untaroiu

Assistant Professor


Area(s) of Interest: Biomechanics
Phone: (540) 231-3593
Email: alexu@vt.edu

Department of Biomedical Engineering and Mechanics
324 Norris Hall
495 Old Turner Street
Blacksburg, VA 24061

Education:

  • Ph.D., University of Virginia, Mechanical and Aerospace Engineering, 2006

  • M.S., University of Virginia, Mechanical and Aerospace Engineering, 2004

  • B.S., Polytechnic University of Bucharest, Romania, Mechanical Engineering

 

Research Interests:

  • Computational Fluid Dynamics, Turbomachinery Design and Applications, Seals, Fluid Film Bearings, Rotordynamics, Optimization, Cardiac-Assist Devices, Blood Pump Design, Prediction and Quantification of Blood Damage and Thrombosis in Medical Devices

Selected Publications In Refereed Journals:

  • Weaver BK, Zhang Y, Clarens A, Untaroiu A, Nonlinear Analysis of Rub Impact in a Three-Disk Rotor and Correction via Bearing and Lubricant Adjustment. ASME J of Engineering for Gas Turbines and Power, 2015, 137(9), 092504.

  • Weaver BK, Dimond TW, Kaplan JA, Untaroiu A, Clarens AF, Gas-Expanded Lubricant Performance and Effects on Rotor Stability in Turbomachinery. ASME J of Engineering for Gas Turbines and Power, 2015, 137(7), 072601.

  • Liu C, Untaroiu A, Wood HG, Yan Q, Wei W, Parametric Analysis and Optimization of Inlet Deflection Angle in Torques Converters, ASME Journal of Fluids Engineering, 2015, 137(3): 031101.

  • Morgan N, Untaroiu A, Migliorini PJ, Wood HG, , Design of Experiments to Investigate Geometric Effects on Fluid Leakage Rate in a Balance Drum Seal, ASME J of Engineering for Gas Turbines and Power, 2015, 137(3): 032501.

  • Migliorini PJ, Untaroiu A, Wood HG, A Numerical Study on the Influence of Hole-Depth on the Static and Dynamic Performance of Hole-Pattern Seals, ASME Journal of Tribology, 2015, 137(1): 011702.

  • Untaroiu A, Liu C, Migliorini PJ, Wood HG, Untaroiu CD, Hole-Pattern Seals Performance Evaluation using Computational Fluid Dynamics and Design of Experiment Techniques, ASME J of Engineering for Gas Turbines and Power, 2014, 136(10): 102501.

  • Miclea-Bleiziffer M, Untaroiu A, Delgado A, Development of a novel design method for marine propellers by computing the exact lift of arbitrary hydrofoils in cascades, J of Ocean Engineering, 2014, 83(): 87-98.

  • Migliorini PJ, Untaroiu A, Witt CW, Neal, NR, Wood HG, Hybrid Analysis of Gas Annular Seals with Energy Equation. ASME Journal of Tribology, 2014, 136(3): 031704.

  • Untaroiu A, Hayrapetian V, Untaroiu CD, Wood HG, Schiavello B, McGuire J, On the Dynamic properties of pump liquid seals. ASME Journal of Fluids Engineering, 2013, 135(5): 051104 (10 pages) (DOI).

  • Kailasan A, Untaroiu A, Swapnil Pravin, Wood HG, Assesment of Thermal Dissipation Effects in a Ventricular Assist Device. Biomedical Sciences Instrumentation, 2013; 49:124-33.

  • Untaroiu A, Untaroiu CD, Wood HG, Allaire PE, Numerical Modeling of Fluid-Induced Rotordynamic Forces in Seals with Large Aspect Ratios. ASME Journal of Engineering for Gas Turbines and Power, 2013, 135(1): 012501 (7 pages) (DOI).

  • Untaroiu A, Allaire PE, Method of Backflow Reduction in Ventricular Assist Devices. Biomedical Sciences Instrumentation, 2012, 48(): 439-446 (PubMed).

  • Kailasan A, Untaroiu A, Wei J, Wood HG, Allaire PE, LifeFlow VAD: Design and Numerical Modeling of Magnetic Bearing System. Biomedical Sciences Instrumentation, 2012, 48(): 218-225 (PubMed).

  • Migliorini PJ, Untaroiu A, Wood HG, Allaire PE, A CFD/Bulk-Flow Hybrid Method for Determining Rotordynamic Coefficients of Annular Gas Seals. ASME Journal of Tribology, 2012, 134:022202, 9 pages (DOI).