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Journal Articles

A Review of Biosensors and Their Applications

Bright Katey, Ioana Voiculescu, Anita Nikolova Penkova, Alexandrina Untaroiu
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Editorial
ASME Open J. Engineering. January 2023, 2: 020201.
Paper No: AOJE-23-1043
https://doi.org/10.1115/1.4063500
Published Online: November 6, 2023
View Article titled, A Review of Biosensors and Their Applications
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Topics: Biosensors, Sensors
Journal Articles

A Study of the Efficacy of Flame Electrical Resistance for Standoff Measurements During the Oxyfuel Cutting Process

Christopher R. Martin, Alexandrina Untaroiu, Kemu Xu, S. M. Mahbobur Raman
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. July 2022, 144(7): 071010.
Paper No: MANU-21-1448
https://doi.org/10.1115/1.4053216
Published Online: February 10, 2022
View Article titled, A Study of the Efficacy of Flame Electrical Resistance for Standoff Measurements During the Oxyfuel Cutting Process
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Topics: Cutting, Flames, Oxygen, Electrical resistance, Steel
Proceedings Papers

A Computational Modelling for Hemodynamic Conditions Following Flow-Diverting Treatment in Cerebral Aneurysms

Gen Fu, Alexandrina Untaroiu
Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T09A022, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83408
https://doi.org/10.1115/FEDSM2018-83408
View Paper titled, A Computational Modelling for Hemodynamic Conditions Following Flow-Diverting Treatment in Cerebral Aneurysms
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Topics: Aneurysms, Flow (Dynamics), Hemodynamics, Modeling, Stents, Physiology, Rupture, Vorticity, Blood vessels, Boundary-value problems
Proceedings Papers

Hemodynamics Characteristics of a Four-Way Right-Atrium Bypass Connector With an Optimized Central Diverter

Elizabeth Mack, Jakin Jagani, Alexandrina Untaroiu
Proc. ASME. FEDSM2018, Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics, V001T02A002, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83167
https://doi.org/10.1115/FEDSM2018-83167
View Paper titled, Hemodynamics Characteristics of a Four-Way Right-Atrium Bypass Connector With an Optimized Central Diverter
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Topics: Blood flow, Composite materials, Computational fluid dynamics, Design, Engineering design processes, Erythrocytes, Failure, Flow (Dynamics), Geometry, Heart failure
Proceedings Papers

Effect of Stent Design Parameters on Hemodynamics and Blood Damage in a Percutaneous Cavopulmonary Assist Device

Jakin Jagani, Elizabeth Mack, Jihyeon Gong, Alexandrina Untaroiu
Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T11A007, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83210
https://doi.org/10.1115/FEDSM2018-83210
View Paper titled, Effect of Stent Design Parameters on Hemodynamics and Blood Damage in a Percutaneous Cavopulmonary Assist Device
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Topics: Blood, Damage, Design, Hemodynamics, Stents, Pumps, Pressure, Propellers, Struts (Engineering), Blood flow
Proceedings Papers

An Approach to Approximate the Full Strain Field of Turbofan Blades During Operation

Gen Fu, Alexandrina Untaroiu, Walter O’Brien
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77056
https://doi.org/10.1115/GT2018-77056
View Paper titled, An Approach to Approximate the Full Strain Field of Turbofan Blades During Operation
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Topics: Blades, Turbofans, Sensors, Instrumentation, Algorithms, Cantilever beams, Computer simulation, Data acquisition systems, Excitation, Mode shapes
Proceedings Papers

Turbofan Nose Cone Interactions With Inlet Swirl

Dustin J. Frohnapfel, Elizabeth Mack, Alexandrina Untaroiu, Walter F. O’Brien, K. Todd Lowe
Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A032, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76616
https://doi.org/10.1115/GT2018-76616
View Paper titled, Turbofan Nose Cone Interactions With Inlet Swirl
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Topics: Turbofans, Fluids, Ducts, Engines, Architecture, Aviation, Computational fluid dynamics, Flow (Dynamics), Geometry, Modeling
Journal Articles

The Influence of Surface Patterning on the Thermal Properties of Textured Thrust Bearings

Gen Fu, Alexandrina Untaroiu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061706.
Paper No: TRIB-17-1361
https://doi.org/10.1115/1.4040383
Published Online: June 13, 2018
View Article titled, The Influence of Surface Patterning on the Thermal Properties of Textured Thrust Bearings
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Topics: Bearings, Computational fluid dynamics, Design, Stress, Temperature, Texture (Materials), Thermal properties, Thrust bearings, Optimization, Friction
Proceedings Papers

A Compressible Thermohydrodynamic Analysis of Journal Bearings Lubricated With Supercritical CO 2

Ssu-Ying Chien, Mark Cramer, Alexandrina Untaroiu
Proc. ASME. FEDSM2017, Volume 1B, Symposia: Fluid Measurement and Instrumentation; Fluid Dynamics of Wind Energy; Renewable and Sustainable Energy Conversion; Energy and Process Engineering; Microfluidics and Nanofluidics; Development and Applications in Computational Fluid Dynamics; DNS/LES and Hybrid RANS/LES Methods, V01BT09A001, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69310
https://doi.org/10.1115/FEDSM2017-69310
View Paper titled, A Compressible Thermohydrodynamic Analysis of Journal Bearings Lubricated With Supercritical CO 2
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Topics: Journal bearings, Supercritical carbon dioxide, Thermohydrodynamics, Temperature, Flow (Dynamics), Bearings, Boundary-value problems, Bulk modulus, Carbon dioxide, Density
Proceedings Papers

The Influence of Surface Patterning on the Thermal Properties of Textured Thrust Bearings

Gen Fu, Alexandrina Untaroiu
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT04A010, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69356
https://doi.org/10.1115/FEDSM2017-69356
View Paper titled, The Influence of Surface Patterning on the Thermal Properties of Textured Thrust Bearings
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Topics: Thermal properties, Thrust bearings, Temperature, Bearings, Texture (Materials), Design, Friction, Stress, Computational fluid dynamics, Fluid films
Proceedings Papers

Sensitivity Analysis of Fluid Pre-Swirl and Swirl Brakes Design on the Performance of Labyrinth Seals

Hanxiang Jin, Alexandrina Untaroiu, Gen Fu, Vahe Hayrapetian, Kariem Elebiary
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT05A025, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69537
https://doi.org/10.1115/FEDSM2017-69537
View Paper titled, Sensitivity Analysis of Fluid Pre-Swirl and Swirl Brakes Design on the Performance of Labyrinth Seals
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Topics: Brakes, Design, Fluids, Sensitivity analysis, Rotation, Rotors, Computational fluid dynamics, Engineering simulation, Experimental design, Fittings
Proceedings Papers

Hemodynamics Characteristics of a Four-Way Right-Atrium Bypass Connector

Elizabeth Mack, Alexandrina Untaroiu
Proc. ASME. FEDSM2017, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT21A005, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69470
https://doi.org/10.1115/FEDSM2017-69470
View Paper titled, Hemodynamics Characteristics of a Four-Way Right-Atrium Bypass Connector
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Topics: Hemodynamics, Pulmonary artery, Blood, Blood flow, Flow (Dynamics), Geometry, Computational fluid dynamics, Corners (Structural elements), Damage, Design
Proceedings Papers

Design of a Dual Propeller Micro-Pump in Conjunction With Flared TCPC for Cavopulmonary Assist in Fontan Patients

Jakin Jagani, Alexandrina Untaroiu
Proc. ASME. FEDSM2017, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT21A006, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69471
https://doi.org/10.1115/FEDSM2017-69471
View Paper titled, Design of a Dual Propeller Micro-Pump in Conjunction With Flared TCPC for Cavopulmonary Assist in Fontan Patients
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Topics: Design, Micropumps, Propellers, Pressure, Flow (Dynamics), Physiology, Pumps, Blood, Blood flow, Energy dissipation
Proceedings Papers

Effect of Surface Patterning on the Dynamic Response of Annular Hole-Pattern Seals

Hanxiang Jin, Alexandrina Untaroiu, Gen Fu
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A031, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64875
https://doi.org/10.1115/GT2017-64875
View Paper titled, Effect of Surface Patterning on the Dynamic Response of Annular Hole-Pattern Seals
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Topics: Dynamic response, Design, Leakage, Rotors, Regression models, Energy dissipation, Fluids, Geometry, Kinetic energy, Linings (Textiles)
Proceedings Papers

Performance of Adaptive Lubricants in a Hybrid Journal Bearing Operating Under Fully Saturated Conditions

Ssu-Ying Chien, Mark Cramer, Gen Fu, Alexandrina Untaroiu
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A027, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64530
https://doi.org/10.1115/GT2017-64530
View Paper titled, Performance of Adaptive Lubricants in a Hybrid Journal Bearing Operating Under Fully Saturated Conditions
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Topics: Journal bearings, Lubricants, Carbon dioxide, Bearings, Viscosity, Temperature, Computational fluid dynamics, Pressure, Lubricating oils, Oils
Proceedings Papers

Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings

Gen Fu, Alexandrina Untaroiu, Erik Swanson
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A016, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64535
https://doi.org/10.1115/GT2017-64535
View Paper titled, Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings
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Topics: Foil bearings, Geometry, Thrust, Computational fluid dynamics, Design, Film thickness, Fluids, Friction, Rotors, Stress
Journal Articles

Dynamic Response Analysis of Balance Drum Labyrinth Seal Groove Geometries Optimized for Minimum Leakage

Alexandrina Untaroiu, Neal Morgan, Vahe Hayrapetian, Bruno Schiavello
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2017, 139(2): 021014.
Paper No: VIB-16-1242
https://doi.org/10.1115/1.4035380
Published Online: February 22, 2017
View Article titled, Dynamic Response Analysis of Balance Drum Labyrinth Seal Groove Geometries Optimized for Minimum Leakage
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Topics: Damping, Design, Flow (Dynamics), Leakage, Regression models, Stiffness, Geometry, Stability, Computational fluid dynamics, Pumps
Proceedings Papers

A Reduced-Order Model for Annular Labyrinth Seals Based on Proper Orthogonal Decomposition

Hanxiang Jin, Alexandrina Untaroiu
Proc. ASME. IMECE2016, Volume 7: Fluids Engineering, V007T09A038, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-67086
https://doi.org/10.1115/IMECE2016-67086
View Paper titled, A Reduced-Order Model for Annular Labyrinth Seals Based on Proper Orthogonal Decomposition
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Topics: Principal component analysis, Flow (Dynamics), Leakage, Eigenvalues, Three-dimensional models, Cavities, Compressors, Computational fluid dynamics, Energy dissipation, Fluids
Proceedings Papers

An Optimum Design Approach for Textured Thrust Bearing With Elliptical-Shape Dimples Using CFD and DOE Including Cavitation

Gen Fu, Alexandrina Untaroiu
Proc. ASME. IMECE2016, Volume 7: Fluids Engineering, V007T09A078, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-66971
https://doi.org/10.1115/IMECE2016-66971
View Paper titled, An Optimum Design Approach for Textured Thrust Bearing With Elliptical-Shape Dimples Using CFD and DOE Including Cavitation
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Topics: Cavitation, Computational fluid dynamics, Design, Shapes, Thrust bearings, Geometry, Friction, Bearings, Optimization, Texture (Materials)
Proceedings Papers

A Study of TCPC-Stent Conjunction for Cavopulmonary Assist in Fontan Patients With Right Ventricular Dysfunction

Jakin Jagani, Alexandrina Untaroiu
Proc. ASME. IMECE2016, Volume 7: Fluids Engineering, V007T09A093, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-68760
https://doi.org/10.1115/IMECE2016-68760
View Paper titled, A Study of TCPC-Stent Conjunction for Cavopulmonary Assist in Fontan Patients With Right Ventricular Dysfunction
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Topics: Stents, Blood, Energy dissipation, Geometry, Liver, Pressure, Flow (Dynamics), Pulmonary artery, Design, Hemodynamics