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Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 641-649, June 11–15, 2012

Publisher: American Society of Mechanical Engineers

Paper No: GT2012-68725

https://doi.org/10.1115/GT2012-68725

View Paper titled, Evaluation of a New Coating for Application to Ramjet Engine Combustion Chamber

Topics: Coating processes, Coatings, Combustion chambers, Engines, Ramjets, Temperature, Testing, Adhesion, Delamination, Alloys

Proceedings Papers

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

Hooshang Heshmat, Zhaohui Ren, Andrew Hunsberger, James Walton, Said Jahanmir

Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 95-103, November 12–18, 2010

Publisher: American Society of Mechanical Engineers

Paper No: IMECE2010-40598

https://doi.org/10.1115/IMECE2010-40598

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

Topics: Compressors, Foil bearings, Gas turbines, Testing, Machinery, Stress, Design, Gases, Bearings, Economics

Proceedings Papers

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

Hooshang Heshmat, Andrew Hunsberger, Zhaohui Ren, Said Jahanmir, James Walton

Publisher: American Society of Mechanical Engineers

Paper No: IMECE2010-40575

https://doi.org/10.1115/IMECE2010-40575

View Paper titled, On the Design of a Multi-Megawatt Oil-Free Centrifugal Compressor for Hydrogen Gas Transportation and Delivery: Operation Beyond Supercritical Speeds

Topics: Compressors, Design, Hydrogen, Transportation systems, Bearings, Computational fluid dynamics, Reliability, Rotors, Foil bearings, Pipelines

Journal Articles

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

Said Jahanmir, Andrew Z. Hunsberger, Hooshang Heshmat

Publisher: ASME

J. Tribol. July 2011, 133(3): 031301.

https://doi.org/10.1115/1.4003997

Published Online: July 21, 2011

View Article titled, Load Capacity and Durability of H-DLC Coated Hydrodynamic Thrust Bearings

Topics: Bearings, Coatings, Friction, Lubricants, Stress, Thrust bearings, Titanium alloys, Torque, Lubrication, Durability

Proceedings Papers

Ultrahigh Speed Micromachining

Said Jahanmir

Proc. ASME. MSEC2010, ASME 2010 International Manufacturing Science and Engineering Conference, Volume 2, 337-344, October 12–15, 2010

Publisher: American Society of Mechanical Engineers

Paper No: MSEC2010-34174

https://doi.org/10.1115/MSEC2010-34174

View Paper titled, Ultrahigh Speed Micromachining

Topics: Micromachining, Machining, Aluminum alloys, Ceramics, Damage, Micromilling, Ball bearings, Cutting, Diamond tools, Diamonds

Journal Articles

Flexural Strength of Ceramic and Glass Rods

George D. Quinn, Brian T. Sparenberg, Philip Koshy, Lewis K. Ives, Said Jahanmir, Dwayne D. Arola

Publisher: ASTM International

J. Test. Eval.. May 2009, 37(3): 222–244.

https://doi.org/10.1520/JTE101649

Published Online: May 1, 2009

View Article titled, Flexural Strength of Ceramic and Glass Rods

Proceedings Papers

Hybrid Magnetic Bearings for a Centrifugal Blood Pump

Zhaohui Ren, Said Jahanmir, Hooshang Heshmat, James Walton

Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 997-999, October 22–24, 2007

Publisher: American Society of Mechanical Engineers

Paper No: IJTC2007-44199

https://doi.org/10.1115/IJTC2007-44199

View Paper titled, Hybrid Magnetic Bearings for a Centrifugal Blood Pump

Topics: Blood, Magnetic bearings, Pumps, Rotors, Bearings, Design, Stators, Algorithms, Clearances (Engineering), Control algorithms

Proceedings Papers

Evaluation of DLC Coatings for Foil Bearing Applications

Said Jahanmir, Hooshang Heshmat, Crystal Heshmat, Osman Eryilmaz, Ali Erdemir

Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 5-7, October 22–24, 2007

Publisher: American Society of Mechanical Engineers

Paper No: IJTC2007-44035

https://doi.org/10.1115/IJTC2007-44035

View Paper titled, Evaluation of DLC Coatings for Foil Bearing Applications

Topics: Diamond films, Foil bearings, Coatings, Disks, Cycles, Temperature, Tribology, Design, Performance characterization, Thrust

Proceedings Papers

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

Andrew Z. Hunsberger, Said Jahanmir, Hooshang Heshmat, Osman Eryilmaz, Ali Erdemir

Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 241-243, October 22–24, 2007

Publisher: American Society of Mechanical Engineers

Paper No: IJTC2007-44207

https://doi.org/10.1115/IJTC2007-44207

View Paper titled, Performance Evaluation of Half-Wetted Hydrodynamic Bearings With DLC Coated Surfaces

Topics: Bearings, Performance evaluation, Fluids, Stress, Thrust bearings, Bonding, Carbon, Diamonds, Lubricants, Lubrication

Proceedings Papers

Coatings for High Temperature Foil Bearings

Hooshang Heshmat, Said Jahanmir, James F. Walton, II

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 971-976, May 14–17, 2007

Publisher: American Society of Mechanical Engineers

Paper No: GT2007-27975

https://doi.org/10.1115/GT2007-27975

View Paper titled, Coatings for High Temperature Foil Bearings

Topics: Coatings, Foil bearings, High temperature, Bearings, Magnetic bearings, Nickel, Temperature, Tribology, Cycles, Friction

Journal Articles

Evaluation of DLC Coatings for High-Temperature Foil Bearing Applications

Said Jahanmir, Hooshang Heshmat, Crystal Heshmat

Publisher: ASME

J. Tribol. January 2009, 131(1): 011301.

https://doi.org/10.1115/1.2991181

Published Online: December 2, 2008

View Article titled, Evaluation of DLC Coatings for High-Temperature Foil Bearing Applications

Topics: Coatings, Disks, Foil bearings, Friction, Lubricants, Temperature, Tungsten, Cycles, Diamond films, Tribology

Proceedings Papers

Magnetically Suspended Rotary Blood Pump (Keynote)

Hooshang Heshmat, James F. Walton, II, Michael J. Tomaszewski, Said Jahanmir

Proc. ASME. WTC2005, World Tribology Congress III, Volume 2, 611-612, September 12–16, 2005

Publisher: American Society of Mechanical Engineers

Paper No: WTC2005-63681

https://doi.org/10.1115/WTC2005-63681

View Paper titled, Magnetically Suspended Rotary Blood Pump (Keynote)

Topics: Blood, Magnetic bearings, Pumps, Thrust bearings

Proceedings Papers

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

Hooshang Heshmat, Piotr Hryniewicz, James F. Walton, II, John P. Willis, Said Jahanmir

Proc. ASME. WTC2005, World Tribology Congress III, Volume 2, 399-400, September 12–16, 2005

Publisher: American Society of Mechanical Engineers

Paper No: WTC2005-63684

https://doi.org/10.1115/WTC2005-63684

View Paper titled, Low-Friction Wear Resistant Coatings for High-Temperature Foil Bearings

Topics: Coatings, Foil bearings, Friction, High temperature, Wear

Proceedings Papers

High-Temperature High-Speed Tribometer With Complex Motion

Hooshang Heshmat, Michael J. Tomaszewski, Crystal Heshmat, James F. Walton, II, Said Jahanmir

Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 879-880, September 12–16, 2005

Publisher: American Society of Mechanical Engineers

Paper No: WTC2005-63685

https://doi.org/10.1115/WTC2005-63685

View Paper titled, High-Temperature High-Speed Tribometer With Complex Motion

Topics: High temperature, Steam engines, Tribometers

Proceedings Papers

Evaluation of Coatings for a Large Hybrid Foil/Magnetic Bearing

Hooshang Heshmat, Said Jahanmir

Proc. ASME. IJTC2006, Part B: Magnetic Storage Tribology; Manufacturing/Metalworking Tribology; Nanotribology; Engineered Surfaces; Biotribology; Emerging Technologies; Special Symposia on Contact Mechanics; Special Symposium on Nanotribology, 1361-1362, October 23–25, 2006

Publisher: American Society of Mechanical Engineers

Paper No: IJTC2006-12328

https://doi.org/10.1115/IJTC2006-12328