Hooshang Heshmat Ph.D. Awards & Publications

Home Company Our Team Hooshang Heshmat, Ph.D., CEO/Technical Director Hooshang Heshmat Ph.D. Awards & Publications

Technology Progress on Compliant Foil Air Bearing Systems for Commercial ApplicatiMons

January 1, 1981

Development of Foil Journal Bearings for High Load Capacity and High-Speed Whirl Stability

January 1, 1981

Design and Test of a Magnetic-Fluid, Static Centrifugal Seal

January 14, 1981

Analysis of Gas Lubricated Compliant Thrust Bearings

January 1, 1982

Gas-Lubricated Foil Bearings for Heat Pumps with Counter-Rotating Heat Exchanger

January 1, 1982

Analysis of Gas-Lubricated Foil Journal Bearings

January 1, 1983

Analysis of Starved Journal Bearings Including Temperature and Cavitation Effects

January 1, 1984

Experimental Study of Stable High-Speed Oil Rings

January 1, 1984

Advanced Development of Air-Lubricated Foil Thrust Bearings

January 1, 1984

Performance of Starved Journal Bearings with Oil Ring Lubrication

January 1, 1985

Thrust Bearing Behavior under Oil-Starvation Conditions

May 1, 1985

Performance of Oil Ring Bearing

May 1, 1985

Mixing Inlet Temperatures in Hydrodynamic Bearings

January 1, 1986

Parametric Study and Optimization of Starved Thrust Bearings

January 1, 1986

The Interaction of a Gas with Solid and Liquid Particles in a Rotating System

January 1, 1986

Mixing Inlet Temperatures in Starved Journal Bearings

September 1, 1986

Theoretical and Experimental Investigation of Oil Ring Bearings

September 15, 1986

Analysis of Starved Thrust Bearings Including Temperature Effects

January 1, 1987

Misalignment in Thrust Bearings Including Thermal and Cavitation Effects

January 1, 1987

Fundamental Issues in Cryogenic Hydrodynamic Lubrication

February 1, 1987

On the Mechanism of Operation of Flat Land Bearings

September 1, 1987

Starved Bearing Technology: Theory and Experiment

December 15, 1988

The Effect of Dynamic Loads in Tribometers – Analysis and Experiment

January 1, 1989

On a Common Tribological Mechanism between Interacting Surfaces

January 1, 1989

Elapsed Time for the Decay of Thermal Transient in Fluid Film Bearing Assemblies

January 1, 1989

Workshop on Thermal Aspects of Fluid Film Lubrication – A Summary

January 1, 1989

High-Temperature, Unbalanced, Dry Contact Face Seal, Interfacial Phenomenon and Design Considerations

April 1, 1989

High-Temperature, Unbalanced, Dry Contact Face Seal, Interfacial Phenomenon, and Design Considerations

April 15, 1989

Workshop of Thermal Aspects of Fluid Film Lubrication – A Summary

May 18, 1989

Wear Reduction Systems: Powder-Lubricated Piston Rings for Coal-Fired Diesel Engines

October 1, 1989

Traction Characteristics of High-Temperature, Powder-Lubricated Ceramics (Si3N4/SiC)

January 1, 1990

High Temperature Solid Lubricated Bearing Development – Dry Powder Lubricated Traction Testing

July 1, 1990

High-Temperature Powder-Lubricated Dampers for Gas Turbine Engines

July 1, 1990

Advanced Multi-Squeeze Film Dampers for Rotor Vibration Control

January 1, 1991

The Mechanism of Cavitation in Hydrodynamic Lubrication

January 1, 1991

The Rheology and Hydrodynamics of Dry Powder Lubrication

January 1, 1991

The Quasi-Hydrodynamic Mechanism of Powder Lubrication – Part I: Lubricant Flow Visualization

April 1, 1991

The Quasi-Hydrodynamic Mechanism of Powder Lubrication – Part I: Lubricant Flow Visualization

April 1, 1991

Rotordynamic Evaluation of an Advanced Multi-Squeeze Film Damper – Imbalance Response and Blade Loss Simulation

June 1, 1991

The Basics of Powder Lubrication in High-Temperature, Powder-Lubricated Dampers

June 1, 1991

Analysis of Compliant Foil Bearings with Spatially Variable Stiffness

June 10, 1991

A Feasibility Study on the Use of Foil Bearings in Cryogenic Turbopumps

June 24, 1991

On Some Experimental Rheological Aspects of Triboparticulates

September 1, 1991

The Quasi-Hydrodynamic Mechanism of Powder Lubrication: Part II: Lubricant Film Pressure Profile

October 14, 1991

Compliant Foil Bearing Structural Stiffness Analysis: Part I – Theoretical Model Including Strip and Variable Bump Foil Geometry

January 1, 1992

Application of Compliant Fluid-Film Bearings to the High-Pressure Oxygen Turbopump of the SSME

January 1, 1992

Rolling and Sliding Characteristics of Powder-Lubricated Ceramics at High Temperature and Speed

May 1, 1992

Compliant Foil Bearing Structural Stiffness Analysis Part II: Experimental Investigation

October 18, 1992

Compliant Foil Bearings Technology and their Application to High Speed Turbomachinery

January 1, 1993

Wear Reduction Systems for Coal-Fueled Diesel Engines – Part I: The Basics of Powder Lubrication

January 1, 1993

Wear Reduction Systems for Coal-Fueled Diesel Engines – Part II: Experimental Results and Hydrodynamic Model of Powder Lubrication

April 1, 1993

Structural Stiffness and Coulomb Damping in Compliant Foil Journal Bearings: Theoretical Considerations

May 17, 1993

The Quasi-Hydrodynamic Mechanism of Powder Lubrication: Part III: On Theory and Rheology of Triboparticulates

May 17, 1993

Role of Foil Bearings in Advancement and Development of High-Speed Turbomachinery

June 20, 1993

On the Theory of Quasi-Hydrodynamic Lubrication with Dry Powder: Application to Development of High Speed Journal Bearing for Hostile Environment

September 1, 1993

On the Cognitive Approach toward Classification of Dry Triboparticulates

September 11, 1993

Advancements in the Performance of Aerodynamic Foil Journal Bearings: High Speed and Load Capability

October 24, 1993

Structural Damping of Self-Acting Compliant Foil Journal Bearings

October 24, 1993

Effects of Static Load on Dynamic Structural Properties in Flexible Supported Foil Journal Bearings

November 10, 1993

On the Role and Mechanism of Dry Triboparticulate Lubrication

May 1, 1994

Compliant Foil Bearings for Use in Cryogenic Turbopumps

May 1, 1994

Effects of Frequency on Structural Stiffness and Damping in a Self-Acting, Compliant Foil Journal Bearing

June 13, 1994

An Analysis of Gas-Lubricated, Multileaf Foil Journal Bearings with Backing Springs

October 16, 1994

Performance of Powder-Lubricated Journal Bearings with MoS2 Powder: Experimental Study of Thermal Phenomena

October 16, 1994

Performance of a Powder Lubricated Journal Bearing with WS2 Powder: Experimental Study

October 11, 1995

Hybrid Foil-Magnetic Bearing

June 16, 1996

The Effect of Slider Geometry on the Performance of a Powder Lubricated Bearing – Experimental Illustrations

May 18, 1997

Zero Clearance Auxiliary Bearings for Magnetic Bearing Systems

June 2, 1997

Research Needs and Opportunities in the Area of Friction and System Dynamics – Part II

June 20, 1997

Test of a Zero Clearance Auxiliary Bearing

August 21, 1997

On the Rheodynamics of Third-Body Composed of Rigid Particles in Contact: Part I – Theoretical Considerations

May 1, 1998

On the Performance of Hybrid Foil-Magnetic Bearings

June 2, 1998

On the Rheodynamics of Powder Lubricated Journal Bearing: Theory and Experiment

September 8, 1998

Comparative Evaluation of MoS2 and WS2 as Powder Lubricants in High Speed, Multi-Pad Journal Bearings

October 1, 1998

The Effect of Slider Geometry on the Performance of a Powder Lubricated Bearing – Theoretical Considerations

May 1, 1999

Application of Foil Bearings to Turbomachinery Including Vertical Operation

June 1, 1999

A 35,000 rpm Test Rig for Magnetic, Hybrid and Back-up Bearings

June 7, 1999

The Application of Foil Seals to a Gas Turbine Engine

June 20, 1999

The Integration of Structural and Fluid Film Dynamic Elements in Foil Bearings – Part I: Past Approaches to the Problem

September 12, 1999

The Integration of Structural and Fluid Film Dynamic Elements in Foil Bearings – Part II: A New Approach to the Problem

September 12, 1999

Analysis of Gas Lubricated Foil Thrust Bearings using Coupled Finite Element and Finite Difference Methods

October 10, 1999

The Development of a High Speed Solid/Powder Lubricated Auxiliary Bearing

January 1, 2000

On the Fluid Flow and Thermal Analysis of a Compliant Surface Foil Bearing and Seal

January 1, 2000

On the Dynamic and Thermal Performance of a Zero Clearance Auxiliary Bearing (ZCAB) for a Magnetic Bearing System

January 1, 2000

On the Development of Self-Acting and Self-Contained Powder Lubricated Auxiliary Bearing

January 1, 2000

Performance and Durability of High Temperature Foil Air Bearings for Oil-Free Turbomachinery

January 1, 2000

Pin-on-Disc Tests of Pelletized Molybdenum Disulfide

January 1, 2000

A Preliminary Assessment of Modeling Friction/Damping at Blade/Disk Interfaces

March 1, 2000

Tribological Limitations in Gas Turbine Engines – A Workshop to Identify the Challenges and Set Future Directions

May 1, 2000

Experimental Determination of Powder Film Shear and Damping Characteristics

May 1, 2000

On the Application of Powder Shear Damping to a Structural Element

May 1, 2000

Oil-Free Turbocharger Demonstration Paves Way to Gas Turbine Engine Applications

May 1, 2000

Capabilities of Large Foil Bearings

May 1, 2000

Performance of a Foil-Magnetic Hybrid Bearing

May 1, 2000

A Gas Turbine Engine Backup Bearing Operating Beyond 2.5 Million DN

May 8, 2000

High Temperature Performance Evaluation of a Compliant Foil Seal

July 16, 2000

Tribological and Thermodynamical Issues of a Zero Clearance Auxiliary Bearing (ZCAB) for Space Application

July 17, 2000

Operation of Foil Bearings Beyond the Bending Critical Mode

October 10, 2000

Performance of a Compliant Foil Seal in a Small Gas Turbine Engine Simulator Employing a Hybrid Foil/Ball Bearing Support System

January 1, 2001

Performance of a Complaint Foil Seal in a Small Gas Turbine Engine Simulator Employing a Hybrid Foil/Ball Bearing Support System

January 1, 2001

Heshmat, Hooshang and Chen, H.M. "Principles of Bearing Design."Compressor Handbook (2001)

January 1, 2001

Thermal Features of Compliant Foil Bearings - Theory and Experiments

January 1, 2001

Principles of Bearing Design

January 1, 2001

Characterization of Pelletized MoS2 Powder Particle Detachment

January 1, 2001

The Power of Powder – Lubricant Boosts Bearing Speed 50 Percent

May 1, 2001

Steady-State Stiffness of Foil Air Journal Bearings at Elevated Temperatures

May 20, 2001

Analysis of a Compliant Gas Foil Seal with Turbulence Effects

July 8, 2001

Frictional Dampers Dynamic Characterization – Theory and Experiments

September 3, 2001

Demonstration of Powder Shear Damping Applied to Plates

September 3, 2001

Powder Lubricated Bearing Operation to PV of Half a Million

September 3, 2001

A Review of Recent Approaches for Modeling Solid Third Bodies

October 1, 2001

Dynamic Stiffness and Damping Characteristics of a High-Temperature Air Foil Journal Bearing

October 21, 2001

Modeling of Friction Induced Vibration Due to Third-Body Effects

November 11, 2001

100mm Diameter Self-Contained Solid/Powder Lubricated Auxiliary Bearing Operated at 30,000 rpm

January 1, 2002

A Test Stand for Dynamic Characterization of Oil-Free Bearings for Modern Gas Turbine Engines

January 1, 2002

The Role of High Performance Foil Bearings in an Advanced, Oil-Free, Integral Permanent Magnet Motor Driven, High-Speed Turbo-Compressor Operating Above the First Bending Critical Speed

January 1, 2002

Oil-Free Foil Bearings as a Reliable, High Performance Backup Bearing for Active Magnetic Bearings

June 1, 2002

Tribological Limitations in Gas Turbine Engines: A Workshop to Identify the Challenges and Set Future Direction

June 3, 2002

Evaluation of Large Compliant Foil Seals under Engine Simulated Conditions

July 7, 2002

On the Frictional Damping Characterization of Compliant Bump Foils

October 1, 2002

Quantification of Blood Hemolysis due to Mechanical Shearing

January 1, 2003

Testing of a Centrifugal Blood Pump with a High Efficiency Hybrid Magnetic Bearing

January 1, 2003

The Role of High Performance Foil Bearings in Advanced, Oil-Free, High-Speed Motor Driven Compressors

April 21, 2003

New-Generation Development Rigs for Testing High-Speed Air-Lubricated Thrust Bearings

April 28, 2003

In Vivo Study of an LVAD Prototype with a Hybrid Magnetic Bearing

June 3, 2003

Experimental Investigation of 150mm Diameter Large Hybrid Foil/Magnetic Bearing

November 2, 2003

A Turbojet Engine Demonstration with Air Foil Bearing

December 3, 2003

A 700,000 rpm Feasibility Demonstration for Mesoscopic Scale Gas Turbine Engines

December 3, 2003

Tribological Behavior of Ceramics at High Sliding Speeds in Steam

May 1, 2004

Advancements in the Structural Stiffness and Damping of a Large Compliant Foil Journal Bearing – An Experimental Study

June 14, 2004

Operation of a Mesoscopic Gas Turbine Simulator at Speeds in Excess of 700,000 rpm on Foil Bearings

June 14, 2004

Magnetically Suspended Rotary Blood Pump

January 1, 2005

Low-Friction Wear-Resistant Coatings for High-Temperature Foil Bearings

January 1, 2005

Status of Magnetically Suspended MiTiHeart LVAD

June 1, 2005

Low-Friction Wear Resistant Coatings for High-Temperature Foil Bearings

September 12, 2005

Turbojet Engine Demonstration with a High-Temperature, High-Speed Tribometer with Complex Motion

September 12, 2005

Major Breakthrough in Load Capacity, Speed and Operating Temperature of Foil Thrust Bearings

September 12, 2005

Foil Bearings Make Oil-Free Turbocharger Possible

September 12, 2005

Turbojet Engine Demonstration with a High-Temperature Air Foil Bearing

September 12, 2005

Design of a Small Centrifugal Blood Pump with Hybrid Magnetic Bearings

January 1, 2006

Prediction of Hydrodynamic Bearing Performance for Cardiac Assist Devices

January 1, 2006

Heshmat, Hooshang and Walton II, James F. "Principles of Gas Turbine Bearing Lubrication and Design." Handbook of Lubrication and Tribology: Volume I Application and Maintenance. Vol. 1. CRC Press, 2006.

January 1, 2006

Heshmat, Hooshang "Compliant Foil Bearing Technology: An Overview." Handbook of Lubrication and Tribology: Volume II Theory and Design. Second Edition. CRC Press, 2006.

January 1, 2006

Small Gas Turbine Engine Operating with High-Temperature Foil Bearings

May 1, 2006

On the Development of an Oil-Free Electric Turbocharger for Fuel Cells

May 1, 2006

Evaluation of Coatings for a Large Hybrid Foil/Magnetic Bearing

October 23, 2006

Design and Test Program in the Development of a 100 HP Oil-Free, High-Speed Blower

May 1, 2007

On the Coupling of Foil Bearing Supported Rotors: Part 1 – Analysis

May 14, 2007

On the Coupling of Foil Bearing Supported Rotors: Part 2 – Experiment

May 14, 2007

Coatings for High Temperature Foil Bearings

May 14, 2007

In Vitro Characterization of the Redesigned MiTiHeart LVAD

June 3, 2007

An Oil-Free Motorized Turbocompressor For Fuel Cells

June 18, 2007

Design and Performance Evaluation of a Hybrid Magnetic Bearing for a Rotary Blood Pump

October 22, 2007

Evaluation of DLC Coatings for Foil Bearing Applications

October 22, 2007

Hybrid Magnetic Bearings for a Centrifugal Blood Pump

October 22, 2007

Performance Evaluation of Half-Wetted Hydrodynamic Bearings with DLC Coated Surfaces

October 22, 2007

Performance Characterization of a Rotary Centrifugal LVAD with Magnetic Suspension

May 17, 2008

Performance Characterization of MiTiHeart Rotary Centrifugal LVAD with Magnetic Suspension

June 3, 2008

Characterization of the New MiTiHeart LVAD Prototype

June 3, 2008

Design, Development and Test of a 30 KW Oil-Free, Turboalternator

June 13, 2008

A Compact and Efficient 12-Kw Compressor for Automotive Fuel Cell Applications

June 16, 2008

Development of an 80 Kw Oil-Free, High Speed Blower for Fuel Cell Applications

June 16, 2008

Performance Assessment of a Hybrid Magnetic Bearing System for Rotary Centrifugal Blood Pump

June 19, 2008

Innovative High-Temperature Compliant Surface Foil Face Seal Development

July 21, 2008

Assessment of Tribological Coatings for Foil Bearing Applications

January 1, 2009

Evaluation of DLC Coatings for High-Temperature Foil Bearing Applications

January 1, 2009

Design of a Small Centrifugal Blood Pump with Magnetic Bearings

January 1, 2009

Design Analysis and Performance Assessment of Hybrid Magnetic Bearings for a Rotary Centrifugal Blood Pump

July 1, 2009

Design and Evaluation of an Ultrahigh Speed Micro-Machining Spindle

January 1, 2010

Design and Evaluation of an Ultrahigh Speed Micro-Machining Spindle

January 1, 2010

Heshmat, Hooshang. Tribology of Interface Layers. CRC Press, 2010.

January 1, 2010

Structural Dynamic Design of a Rotating Hydrogen Co-Fired Multi-Fuel External Combustor

June 14, 2010

On the Development of an Oil-Free, High-Speed and High-Temperature Turboalternator

June 14, 2010

Design and Analysis of a High Power Density, Low Temperature Waste Heat Recovery System Using an Oil-Free Turboalternator

November 12, 2010

The Emergence of Compliant Foil Bearing and Seal Technologies in Support of 21st Century Compressors and Turbine Engines

November 12, 2010

Innovation is the Key to Sustaining Sustainability

November 12, 2010

On the Design of a Multi-Megawatt Oil-Free Centrifugal Compressor for Hydrogen Gas Transportation and Delivery – Operation Beyond Supercritical Speeds

November 12, 2010

Load Capacity and Durability of H-DLC Coated Hydrodynamic Thrust Bearings

July 17, 2011

Power Loss in High-Speed Micro Turbomachinery – An Experimental Study

June 11, 2012

Oil-Free Bearings and Seals for Centrifugal Hydrogen Compressor

January 1, 2013

Recipient of the STLE 1983 Wilbur Deutsch Memorial Award for the best written contribution published by the Society.

February 14, 2014

Recipient of the ASME 1985 Burt L. Newkirk Award for making a notable contribution in tribology research or development.

February 15, 2014

Recipient of the MTI 1990 Technical Creativity Award for pioneering work in powder lubrication.

February 15, 2014

Recipient of the STLE 1993 Captain Alfred E. Hunt Award for the best paper published by the Society.

March 11, 2014

Recipient of the ASME/RCT 1995 Creative Research Award.

March 11, 2014

Recipient of the ASME/IGTI 1999 Best Paper Award.

March 11, 2014

Recipient of the ASME 2002 Thomas A. Edison Patent Award for creativity of a patented device that has the potential of significantly enhancing some aspect of mechanical engineering.

March 12, 2014

Recipient of the STLE 2003 Frank P. Bussick Award for authoring the best paper on sealing systems technology.

March 13, 2014

Testing of a Small Turbocharger/Turbojet Sized Simulator Rotor Supported on Foil Bearings

March 14, 2014

Advancing the Load Capacity and Operating Temperature of Foil Thrust Bearings

March 14, 2014

Demonstration of a Turbojet Engine Using an Air Foil Bearing

March 14, 2014

Recipient of the ASME 2005 Microturbine and Small Turbomachinery Committee Best Paper Award.

March 14, 2014

Principles of Gas Turbine Bearing Lubrication and Design

March 14, 2014

Recipient of the ASME 2007 Mayo D. Hersey Award for significant contributions to the fundamental science of powder lubrication and advanced compliant foil bearings.

March 14, 2014

Recipient of the STLE 2008 International Award in recognition of outstanding contribution to the field of tribology and Awarded Lifetime Membership in the STLE.

March 17, 2014

Recipient of the Pennsylvania State University 2009 Alumni Achievement Award for extraordinary professional accomplishments.

March 17, 2014

Recipient of the ASME 2009 Propulsion Best Paper Award.

March 17, 2014

Oil-Free 8 KW High-Speed and High Specific Power Turbogenerator

June 16, 2014