Project Tag: Centrifugal Compressors and Blowers

A Bladeless Turbocompressor Concept: Shear Driven Gas Compression with Deformable Structures—Part I Experimental Proof of Concept

Heshmat, H. and Walton, J.F., “A Bladeless Turbocompressor Concept: Shear Driven Gas Compression with Deformable Structures—Part I Experimental Proof of Concept.” ASME Power & Energy Conference Proceedings (2017). http://doi.org/10.1115/POWER-ICOPE2017-3374 A novel concept for shear flow driven gas compression that could enable next generation turbomachinery has been designed and experimentally demonstrated. In order to achieve this, […]

A Bladeless Turbocompressor Concept: Shear Driven Gas Compression with Deformable Structures—Part 2 Operating Principles and Theory

Heshmat, H., and Córdova, J.L., “A Bladeless Turbocompressor Concept: Shear Driven Gas Compression with Deformable Structures—Part 2 Operating Principles and Theory.” ASME Power & Energy Conference Proceedings (2017). http://doi.org/10.1115/POWER-ICOPE2017-3375 The theory underlying a novel method of gas compression driven by shear flow for next generation turbo-machinery is presented. The concept is based on the conversion […]

Oil-Free Bearings and Seals for Centrifugal Hydrogen Compressor

Heshmat, H., Hunsberger, A.Z., Ren, Z., Jahanmir, S. and Walton, II, J.F.  “Oil-Free Bearings and Seals for Centrifugal Hydrogen Compressor,” (2013) Tribology Online, Japanese Society of Tribologists (8), 1, ISSN 1881-2198. Deployment of a safe, efficient hydrogen production and delivery infrastructure on a scale that can compete economically with current fuels is needed in order […]

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

Heshmat, H., Ren, Z., Hunsberger, A.Z., Walton II, J.F. and Jahanmir, S. “The Emergence of Compliant Foil Bearing and Seal Technologies in Support of 21st Century Compressors and Turbine Engines” IMECE2010-40598, Proceedings of ASME IMECE, November 12-18, 2010, Vancouver, British Columbia, Canada. For energy independence to become a reality, whether through the more effective use […]

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

Heshmat, H., Hunsberger, A.Z., Ren, Z., Jahanmir, S., Walton II, J.F. “On the Design of a Multi-Megawatt Oil-Free Centrifugal Compressor for Hydrogen Gas Transportation and Delivery – Operation Beyond Supercritical Speeds” IMECE2010-40575, Proceedings of ASME IMECE, November 12-18, 2010, Vancouver, British Columbia, Canada. Deployment of a safe, efficient hydrogen production and delivery infrastructure on a […]

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

Walton, J.F., Heshmat, H.  “A Compact and Efficient 12-Kw Compressor for Automotive Fuel Cell Applications,” ASME 6th International Fuel Cell Science, Engineering and Technology Conference, Denver, Colorado, June 16-18, 2008. A novel concept air handling unit for Fuel cell’s infrastructure which serves as the foundational components has been developed and prototype unit have been tested […]

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

Heshmat, H., Walton II, J.F.  “Development of an 80 Kw Oil-Free, High Speed Blower for Fuel Cell Applications,” ASME 6th International Fuel Cell Science, Engineering & Technology, Conference, Denver, CO, June 16-18, 2008. This paper presents the design and development methodology used to develop an air blower on an integral motor rotor /impeller system, operating […]

An Oil-Free Motorized Turbocompressor For Fuel Cells

Walton, J.F., II, Heshmat, H., and Tomaszewski, M.J., “An Oil-Free Motorized Turbocompressor For Fuel Cells,” Presented at 5th Fuel Cell Science, Engineering & Technology Conference, Jun 18 2007 – Jun 20 2007, Brooklyn, New York, United States.

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

Walton II, J.F., Tomaszewski, M.J. and Heshmat, H. “The Role of High Performance Foil Bearings in Advanced, Oil-Free, High-Speed Motor Driven Compressors,” ASME Paper Fuel Cell 2003-1747, 1st International Conference on Fuel Cell Science, Engineering and Technology, April 21-23, 2003, Rochester, New York, (2003) Fuel Cell Science, Engineering and Technology, pp. 411-417 The demand for […]