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Proceedings Papers

Supercritical CO 2 Tests for Hydrostatic Film Stiffness in Film-Riding Seals

Deepak Trivedi, Rahul A. Bidkar, Christopher E. Wolfe, Jason Mortzheim
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A018, June 17–21, 2019
Paper No: GT2019-90975
DOI: https://doi.org/10.1115/GT2019-90975
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Topics: Hydrostatics, Stiffness, Supercritical carbon dioxide, Bearings, Temperature, Computational fluid dynamics, Flow (Dynamics), Fluid films, Fluids, Design
Proceedings Papers

Heat Transfer Coefficient Characterization for Large Aspect-Ratio Thin Films in Film-Riding Seals

James A. Tallman, Rahul A. Bidkar
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT13A009, June 11–15, 2018
Paper No: GT2018-76168
DOI: https://doi.org/10.1115/GT2018-76168
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Topics: Heat transfer coefficients, Thin films, Bearings, Rotors, Uncertainty, Computational fluid dynamics, Deformation, Fluids, Ducts, Flow (Dynamics)
Proceedings Papers

Film-Stiffness Characterization for Supercritical CO 2 Film-Riding Seals

Deepak Trivedi, Rahul A. Bidkar, Chris Wolfe, Xiaoqing Zheng
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A023, June 11–15, 2018
Paper No: GT2018-76161
DOI: https://doi.org/10.1115/GT2018-76161
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Topics: Stiffness, Supercritical carbon dioxide, Rotors, Computational fluid dynamics, Fluids, Pressure, Bearings, Equilibrium (Physics), Fluid films, Stators
Proceedings Papers

Low-Leakage Shaft End Seals for Utility-Scale Supercritical CO 2 Turboexpanders

Rahul A. Bidkar, Edip Sevincer, Jifeng Wang, Azam M. Thatte, Andrew Mann, Maxwell Peter, Grant Musgrove, Timothy Allison, Jeffrey Moore
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A019, June 13–17, 2016
Paper No: GT2016-56979
DOI: https://doi.org/10.1115/GT2016-56979
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Topics: Leakage, Supercritical carbon dioxide, Computational fluid dynamics, Turbines, Cycles, Thermodynamic power cycles, Coal, Finite element analysis, Fluids, Carbon dioxide
Journal Articles

Low-Leakage Shaft-End Seals for Utility-Scale Supercritical CO 2 Turboexpanders

Rahul A. Bidkar, Edip Sevincer, Jifeng Wang, Azam M. Thatte, Andrew Mann, Maxwell Peter, Grant Musgrove, Timothy Allison, Jeffrey Moore
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022503.
Paper No: GTP-16-1234
DOI: https://doi.org/10.1115/1.4034258
Published Online: September 13, 2016
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Topics: Computational fluid dynamics, Design, Fluids, Leakage, Pressure, Supercritical carbon dioxide, Thermal analysis, Turbines, Bearings, Thermodynamic power cycles
Proceedings Papers

Stiffness Measurement for Pressure-Loaded Brush Seals

Rahul A. Bidkar, Xiaoqing Zheng, Mehmet Demiroglu, Norman Turnquist
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 789-796, June 6–10, 2011
Paper No: GT2011-45399
DOI: https://doi.org/10.1115/GT2011-45399
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Topics: Pressure, Stiffness, Rotors, Stators, Design, Aircraft engines, Atmospheric pressure, Displacement, Energy generation, Friction
Proceedings Papers

Aeroelastic Stability of Wide Webs and Narrow Ribbons

Rahul A. Bidkar, Arvind Raman, Anil K. Bajaj
Proc. ASME. IDETC-CIE2007, Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 2065-2073, September 4–7, 2007
Paper No: DETC2007-35169
DOI: https://doi.org/10.1115/DETC2007-35169
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Topics: Stability, Flutter (Aerodynamics), Tension, Fluid dynamics, Cross-flow, Plastics industry, Sheet metal, Stiffness, Textiles, Vibration
Proceedings Papers

Feature Recognition for Injection-Molded and Die-Cast Parts

Rahul A. Bidkar, Daniel A. McAdams
Proc. ASME. IDETC-CIE2004, Volume 3d: 8th Design for Manufacturing Conference, 693-702, September 28–October 2, 2004
Paper No: DETC2004-57754
DOI: https://doi.org/10.1115/DETC2004-57754
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Topics: Algorithms, Computer-aided design, Design for Manufacturing, Die casting (Process), Die castings (Product), Injection molding, Solid models
Proceedings Papers

Automated Manufacturability Analysis for Injection-Molded and Die-Cast Parts

Daniel A. McAdams, Rahul A. Bidkar
Proc. ASME. IDETC-CIE2003, Volume 3a: 8th Design for Manufacturing Conference, 205-226, September 2–6, 2003
Paper No: DETC2003/DFM-48154
DOI: https://doi.org/10.1115/DETC2003/DFM-48154
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Topics: Algorithms, Computer software, Design for Manufacturing, Die casting (Process), Die castings (Product), Injection molding, Solid modeling, Solid models
Journal Articles

Aeroelastic Stability of Wide Webs and Narrow Ribbons in Cross Flow

Rahul A. Bidkar, Arvind Raman, Anil K. Bajaj
Journal: Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. July 2008, 75(4): 041023.
DOI: https://doi.org/10.1115/1.2871192
Published Online: May 19, 2008
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Topics: Cross-flow, Flutter (Aerodynamics), Stability, Tension, Wakes, Fluids, Flow (Dynamics), Stiffness, Mode shapes, Fluid dynamics
Proceedings Papers

Aeroelastic Flutter at the Free Edges of Uni-Axially Tensioned Webs and Thin Films

Rahul A. Bidkar, Arvind Raman, Anil K. Bajaj
Proc. ASME. IMECE2005, Applied Mechanics, 181-193, November 5–11, 2005
Paper No: IMECE2005-81318
DOI: https://doi.org/10.1115/IMECE2005-81318
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Topics: Flutter (Aerodynamics), Thin films, Fluid dynamics, Machinery, Stability, Eigenvalues, Equations of motion, Flow (Dynamics), Hydraulic couplings, Membranes