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Christopher Johnson
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Proceedings Papers

Wheelchair Attachable System for Stepping UP

Frederick Barrigar, Christopher Johnson, Julie Sanchez, James Wasiloff
Proc. ASME. IMECE2001, Mechanical Engineering Design Education: Issues and Case Studies, 81-91, November 11–16, 2001
Paper No: IMECE2001/DE-23292
DOI: https://doi.org/10.1115/IMECE2001/DE-23292
View Paper titled, Wheelchair Attachable System for Stepping UP
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Topics: Wheelchairs, Design, Computer simulation, Kinematics, Mechanical admittance, Modeling, Optimization, Reliability, Robustness
Proceedings Papers

Tension-Controlled Active Compression Garment for Treatment of Orthostatic Intolerance

Robert Pettys-Baker, Nicholas Schleif, J. Walter Lee, Sophia Utset-Ward, Mary Ellen Berglund, Lucy E. Dunne, Brad Holschuh, Christopher Johnson, Kevin Kelly, Bruce Johnson, Michael Joyner
Proc. ASME. DMD2018, 2018 Design of Medical Devices Conference, V001T10A005, April 9–12, 2018
Paper No: DMD2018-6884
DOI: https://doi.org/10.1115/DMD2018-6884
View Paper titled, Tension-Controlled Active Compression Garment for Treatment of Orthostatic Intolerance
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Topics: Compression, Tension, Design, Actuators, Biomedicine, Heat, Medical devices, Shape memory alloys, Springs
Proceedings Papers

The Design and Development of Active Compression Garments for Orthostatic Intolerance

Julia Duvall, Rachael Granberry, Lucy E. Dunne, Brad Holschuh, Christopher Johnson, Kevin Kelly, Bruce Johnson, Michael Joyner
Proc. ASME. DMD2017, 2017 Design of Medical Devices Conference, V001T01A013, April 10–13, 2017
Paper No: DMD2017-3480
DOI: https://doi.org/10.1115/DMD2017-3480
View Paper titled, The Design and Development of Active Compression Garments for Orthostatic Intolerance
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Topics: Compression, Design, Engineering prototypes, Actuators, Active materials, Biomedicine, Countermeasures, Flight, Fluids, Heart failure
Proceedings Papers

Multibody System for Virtual Prototyping

Kevin Chang, Christopher Johnson
Proc. ASME. IDETC-CIE2009, Volume 4: 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B and C, 1499-1507, August 30–September 2, 2009
Paper No: DETC2009-86150
DOI: https://doi.org/10.1115/DETC2009-86150
View Paper titled, Multibody System for Virtual Prototyping
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Topics: Multibody systems, Simulation, Vehicles, Design, Product development, Virtual reality, Automotive design, Modeling, Warfare, Computers
Proceedings Papers

Validation and Application of a CFD-Based Model for Solid Oxide Fuel Cells and Stacks

William A. Rogers, Randall S. Gemmen, Christopher Johnson, Michael Prinkey, Mehrdad Shahnam
Proc. ASME. FUELCELL2003, 1st International Fuel Cell Science, Engineering and Technology Conference, 517-520, April 21–23, 2003
Paper No: FUELCELL2003-1762
DOI: https://doi.org/10.1115/FUELCELL2003-1762
View Paper titled, Validation and Application of a CFD-Based Model for Solid Oxide Fuel Cells and Stacks
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Topics: Computational fluid dynamics, Solid oxide fuel cells, Flow (Dynamics), Fuel cells, Electrodes, Electrolytes, Anodes, Chemistry, Collaboration, Computer software
Proceedings Papers

Assessing the Impact of Inverter Current-Ripple on SOFC Performance

Randall S. Gemmen, Parviz Famouri, Christopher Johnson
Proc. ASME. FUELCELL2003, 1st International Fuel Cell Science, Engineering and Technology Conference, 385-393, April 21–23, 2003
Paper No: FUELCELL2003-1744
DOI: https://doi.org/10.1115/FUELCELL2003-1744
View Paper titled, Assessing the Impact of Inverter Current-Ripple on SOFC Performance
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Topics: Solid oxide fuel cells, Fuel cells, Electrodes, Stress, Boundary-value problems, Dynamics (Mechanics), Electrolytes, Steady state, Transients (Dynamics)
Journal Articles

Surface Scale Formation on Solid Oxide Fuel Cell Proximal Balance of Plant Components

Kirk Gerdes, Christopher Johnson
Journal: Journal of Electrochemical Energy Conversion and Storage
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2009, 6(1): 011018.
DOI: https://doi.org/10.1115/1.2971195
Published Online: November 12, 2008
View Article titled, Surface Scale Formation on Solid Oxide Fuel Cell Proximal Balance of Plant Components
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Topics: Alloys, Solid oxide fuel cells, Vapors, Temperature, Electrolytes