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Luis P. Bernal
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Proceedings Papers

Theoretical and Experimental Analysis of Active Valve Pumping for High Flow Rate Applications

Karthik Kumar, Ali Besharatian, Luis P. Bernal, Rebecca L. Peterson, Khalil Najafi
Proc. ASME. IMECE2013, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T11A037, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-64127
https://doi.org/10.1115/IMECE2013-64127
View Paper titled, Theoretical and Experimental Analysis of Active Valve Pumping for High Flow Rate Applications
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Topics: Experimental analysis, Flow (Dynamics), Micropumps, Valves
Proceedings Papers

A Multiphysics Reduced Order Model of Valve Pumping in a 4-Stage Vacuum Micropump

Karthik Kumar, Ali Besharatian, Luis P. Bernal, Rebecca L. Peterson, Khalil Najafi
Proc. ASME. IMECE2012, Volume 9: Micro- and Nano-Systems Engineering and Packaging, Parts A and B, 293-300, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-87681
https://doi.org/10.1115/IMECE2012-87681
View Paper titled, A Multiphysics Reduced Order Model of Valve Pumping in a 4-Stage Vacuum Micropump
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Topics: Micropumps, Vacuum, Valves
Proceedings Papers

Transient Performance and Coupled Acoustic Structural and Electrostatic Modeling of a Multistage Vacuum Micropump

Karthik Kumar, Luis P. Bernal, Seow Yuen Yee, Ali Besharatian, Khalil Najafi
Proc. ASME. IMECE2011, Volume 11: Nano and Micro Materials, Devices and Systems; Microsystems Integration, 287-296, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-64548
https://doi.org/10.1115/IMECE2011-64548
View Paper titled, Transient Performance and Coupled Acoustic Structural and Electrostatic Modeling of a Multistage Vacuum Micropump
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Topics: Acoustics, Micropumps, Modeling, Transients (Dynamics), Vacuum, Design, Pressure, Membranes, Pumps, Steady state
Proceedings Papers

Performance Enhancement by Dynamic Valve Timing of a Multistage Vacuum Micropump

Karthik Kumar, Luis P. Bernal, Khalil Najafi
Proc. ASME. IMECE2010, Volume 10: Micro and Nano Systems, 221-228, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-39117
https://doi.org/10.1115/IMECE2010-39117
View Paper titled, Performance Enhancement by Dynamic Valve Timing of a Multistage Vacuum Micropump
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Topics: Micropumps, Vacuum, Valves, Pressure, Pumps, Transients (Dynamics), Flow (Dynamics), Leakage, Steady state, Resonance
Proceedings Papers

Design of a Low-Turbulence Facility for Micro-Scale Aerodynamics

Michael J. Martin, Iain D. Boyd, Luis P. Bernal
Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 1205-1209, July 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2002-31156
https://doi.org/10.1115/FEDSM2002-31156
View Paper titled, Design of a Low-Turbulence Facility for Micro-Scale Aerodynamics
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Topics: Aerodynamics, Design, Microscale devices, Turbulence, Airfoils, Wind tunnels, Drag (Fluid dynamics), Flow (Dynamics), Micromachining, Probes
Proceedings Papers

Analysis of the Near Wake of Bluff Bodies in Ground Proximity

Szabolcs R. Balkanyi, Luis P. Bernal, Bahram Khalighi
Proc. ASME. IMECE2002, Fluids Engineering, 705-713, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32347
https://doi.org/10.1115/IMECE2002-32347
View Paper titled, Analysis of the Near Wake of Bluff Bodies in Ground Proximity
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Topics: Wakes, Drag (Fluid dynamics), Stress, Turbulence, Flow (Dynamics), Pressure, Pressure measurement, Cavities, Deflection, Drag reduction
Proceedings Papers

Acoustically Generated Micromachined Jet Arrays for Micropropulsion Applications

Michael O. Mu¨ller, Luis P. Bernal, Peter D. Washabaugh, Tsung-Kuan A. Chou, Hanseup S. Kim, Khalil Najafi
Proc. ASME. IMECE2002, Fluids Engineering, 439-448, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-33630
https://doi.org/10.1115/IMECE2002-33630
View Paper titled, Acoustically Generated Micromachined Jet Arrays for Micropropulsion Applications
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Topics: Acoustics, Micromachining, Manufacturing, Microelectromechanical systems, Design, Jets, Membranes, Scaling laws (Mathematical physics), Theoretical analysis
Proceedings Papers

A Micromachined Combustor and Its Application to Micro Thermoelectric Power Generation

Chunbo Zhang, Khalil Najafi, Luis P. Bernal, Peter D. Washabaugh
Proc. ASME. IMECE2002, Microelectromechanical Systems, 1-6, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-33272
https://doi.org/10.1115/IMECE2002-33272
View Paper titled, A Micromachined Combustor and Its Application to Micro Thermoelectric Power Generation
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Topics: Combustion, Combustion chambers, Diaphragms (Mechanical devices), Diaphragms (Structural), Energy generation, Micromachining
Proceedings Papers

Analysis and Design of Multistage Electrostatically-Actuated Micro Vacuum Pumps

Aaron Astle, Anthony Paige, Luis P. Bernal, Jennifer Munfakh, Hanseup Kim, Khalil Najafi
Proc. ASME. IMECE2002, Microelectromechanical Systems, 477-486, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-39308
https://doi.org/10.1115/IMECE2002-39308
View Paper titled, Analysis and Design of Multistage Electrostatically-Actuated Micro Vacuum Pumps
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Topics: Design, Vacuum pumps, Pumps, Flow (Dynamics), Microelectromechanical systems, Micropumps, Cavities, Electrodes, Membranes, Pressure
Proceedings Papers

Dynamic Modeling and Design of a High Frequency Micro Vacuum Pump

Aaron Astle, Luis P. Bernal, Peter Washabaugh, Hanseup Kim, Khalil Najafi
Proc. ASME. IMECE2003, Microelectromechanical Systems, 41-50, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41493
https://doi.org/10.1115/IMECE2003-41493
View Paper titled, Dynamic Modeling and Design of a High Frequency Micro Vacuum Pump
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Topics: Design, Dynamic modeling, Vacuum pumps, Pumps, Valves, Cavities, Dynamic models, Flow (Dynamics), Micropumps, Resonance
Proceedings Papers

Mechanical and Thermal Design of a Combustion-Based Thermionic Micro Power Generator

Chunbo Zhang, Khalil Najafi, Luis P. Bernal, Peter D. Washabaugh
Proc. ASME. IMECE2003, Microelectromechanical Systems, 717-724, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41531
https://doi.org/10.1115/IMECE2003-41531
View Paper titled, Mechanical and Thermal Design of a Combustion-Based Thermionic Micro Power Generator
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Topics: Combustion, Design, Energy generation, Generators, Thermionic emission
Proceedings Papers

Theoretical and Experimental Performance of a High Frequency Micropump

Aaron Astle, Luis P. Bernal, Hanseup Kim, Khalil Najafi, Peter D. Washabaugh
Proc. ASME. IMECE2005, Microelectromechanical Systems, 711-720, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-81626
https://doi.org/10.1115/IMECE2005-81626
View Paper titled, Theoretical and Experimental Performance of a High Frequency Micropump
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Topics: Micropumps, Pumps, Theoretical analysis, Microelectromechanical systems, Flow (Dynamics), Pressure, Design, Experimental characterization, Monitoring systems
Proceedings Papers

Directional Pumping Performance of an Electrostatic Checkerboard Microvalve

Hanseup Kim, Aaron A. Astle, Luis P. Bernal, Khalil Najafi, Peter D. Washabaugh
Proc. ASME. IMECE2006, Microelectromechanical Systems, 557-560, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-16211
https://doi.org/10.1115/IMECE2006-16211
View Paper titled, Directional Pumping Performance of an Electrostatic Checkerboard Microvalve
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Topics: Compression, Design, Displacement, Experimental characterization, Flow (Dynamics), Gas flow, Membranes, Microelectromechanical systems, Pressure, Pumps
Journal Articles

Design of a Low-Turbulence, Low-Pressure Wind-Tunnel for Micro-Aerodynamics

Michael J. Martin, Kevin J. Scavazze, Iain D. Boyd, Luis P. Bernal
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2006, 128(5): 1045–1052.
https://doi.org/10.1115/1.2236128
Published Online: February 13, 2006
View Article titled, Design of a Low-Turbulence, Low-Pressure Wind-Tunnel for Micro-Aerodynamics
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Topics: Design, Flow (Dynamics), Turbulence, Wind tunnels, Tunnels, Computational fluid dynamics, Reynolds number, Pressure, Boundary layers, Aerodynamics