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Dimitris E. Nikitopoulos
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Proceedings Papers

Flow Visualization and 3D Measurements of Nano-Particle Transport in Rock-Based 2.5D Ceramic Micro-Models

Jagannath Upadhyay, Daniel S. Park, Khurshida Sharmin, Ingmar Schoegl, Karsten E. Thompson, Dimitris E. Nikitopoulos
Proc. ASME. IMECE2017, Volume 7: Fluids Engineering, V007T09A052, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-71698
https://doi.org/10.1115/IMECE2017-71698
View Paper titled, Flow Visualization and 3D Measurements of Nano-Particle Transport in Rock-Based 2.5D Ceramic Micro-Models
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Topics: Ceramics, Flow visualization, Nanoparticles, Rocks, Particulate matter, Fluorescence, Geometry, Transparency, Flow (Dynamics), Mechanical admittance
Proceedings Papers

3D Measurements of Nano-Particle Transport in Complex 2.5D Micro-Models

Jagannath Upadhyay, Daniel S. Park, Karsten E. Thompson, Dimitris E. Nikitopoulos
Proc. ASME. IMECE2015, Volume 7B: Fluids Engineering Systems and Technologies, V07BT09A004, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-50635
https://doi.org/10.1115/IMECE2015-50635
View Paper titled, 3D Measurements of Nano-Particle Transport in Complex 2.5D Micro-Models
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Topics: Nanoparticles, Particulate matter, Flow (Dynamics), Fluorescence, Geometry, Algorithms, Calibration, Computer simulation, Dimensions, Image processing
Proceedings Papers

Fabrication of 2.5D Rock-Based Micromodels With High Resolution Features

Daniel S. Park, J. Upadhyay, V. Singh, Karsten E. Thompson, Dimitris E. Nikitopoulos
Proc. ASME. IMECE2015, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T13A014, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-50657
https://doi.org/10.1115/IMECE2015-50657
View Paper titled, Fabrication of 2.5D Rock-Based Micromodels With High Resolution Features
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Topics: Manufacturing, Resolution (Optics), Rocks, Nickel, Electroforming, Lithography, Ultraviolet radiation, Ceramics, Current density, Electroplating
Proceedings Papers

Design, Characterization, and Verification of a Closed Loop Wind Tunnel With Linear Cascade and Upstream Wake Generator

Carlos R. Gonzalez, Guillaume F. Bidan, Jason W. Bitting, Christopher M. Foreman, Jean-Philippe Junca-Laplace, Kevin D. Wood, Dimitris E. Nikitopoulos
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT12A029, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42999
https://doi.org/10.1115/GT2015-42999
View Paper titled, Design, Characterization, and Verification of a Closed Loop Wind Tunnel With Linear Cascade and Upstream Wake Generator
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Topics: Cascades (Fluid dynamics), Design, Generators, Wakes, Wind tunnels, Blades, Pressure, Airfoils, Conveyor systems, Chords (Trusses)
Proceedings Papers

Heat Transfer in a Two-Pass Internally Ribbed Turbine Blade Coolant Channel With Cylindrical Vortex Generators

Richard G. Hibbs, Sumanta Acharya, Yi Chen, Dimitris E. Nikitopoulos, Tod A. Myrum
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A051, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-474
https://doi.org/10.1115/96-GT-474
View Paper titled, Heat Transfer in a Two-Pass Internally Ribbed Turbine Blade Coolant Channel With Cylindrical Vortex Generators
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Topics: Coolants, Generators, Heat transfer, Turbine blades, Vortices, Mass transfer, Reynolds number, Wakes, Geometry, Heat
Proceedings Papers

Mass/Heat Transfer in a Ribbed Blade Coolant Passage With Cylindrical Vortex Generators: The Effect of Generator-Rib Spacing

Richard G. Hibbs, Sumanta Acharya, Yi Chen, Dimitris E. Nikitopoulos
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A026, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-161
https://doi.org/10.1115/97-GT-161
View Paper titled, Mass/Heat Transfer in a Ribbed Blade Coolant Passage With Cylindrical Vortex Generators: The Effect of Generator-Rib Spacing
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Topics: Blades, Coolants, Generators, Heat transfer, Vortices, Shear (Mechanics), Mass transfer, Turbine blades, Wakes
Proceedings Papers

Design and Fabrication of Rock-Based Micromodel

Daniel S. Park, Saade Bou-Mikael, Sean King, Karsten E. Thompson, Clinton S. Willson, Dimitris E. Nikitopoulos
Proc. ASME. IMECE2012, Volume 9: Micro- and Nano-Systems Engineering and Packaging, Parts A and B, 709-715, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-88501
https://doi.org/10.1115/IMECE2012-88501
View Paper titled, Design and Fabrication of Rock-Based Micromodel
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Topics: Design, Manufacturing, Rocks, Computational fluid dynamics, Flow (Dynamics), Engineering simulation, Optimization, Particulate matter, Polymers, Simulation
Journal Articles

Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part I: Unforced Jets

Guillaume Bidan, Clementine Vézier, Dimitris E. Nikitopoulos
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021037.
Paper No: TURBO-11-1220
https://doi.org/10.1115/1.4006599
Published Online: November 8, 2012
View Article titled, Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part I: Unforced Jets
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Topics: Cross-flow, Film cooling, Flow (Dynamics), Jets, Principal component analysis, Shear (Mechanics), Temperature, Visualization, Vortices, Electromagnetic scattering
Journal Articles

Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part II: Forced Jets

Guillaume Bidan, Clementine Vézier, Dimitris E. Nikitopoulos
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021038.
Paper No: TURBO-11-1221
https://doi.org/10.1115/1.4006600
Published Online: November 1, 2012
View Article titled, Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part II: Forced Jets
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Topics: Cycles, Film cooling, Flow (Dynamics), Principal component analysis, Temperature, Jets, Vortices, Cross-flow, Transients (Dynamics)
Proceedings Papers

Study of Unforced and Modulated Inclined Film-Cooling Jets Using Proper Orthogonal Decomposition: Part I—Unforced Jets

Guillaume Bidan, Clementine Vezier, Dimitris E. Nikitopoulos
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1517-1528, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45400
https://doi.org/10.1115/GT2011-45400
View Paper titled, Study of Unforced and Modulated Inclined Film-Cooling Jets Using Proper Orthogonal Decomposition: Part I—Unforced Jets
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Topics: Film cooling, Jets, Principal component analysis, Flow (Dynamics), Cross-flow, Dynamics (Mechanics), Electromagnetic scattering, Errors, Flat plates, Large eddy simulation
Proceedings Papers

Study of Unforced and Modulated Inclined Film-Cooling Jets Using Proper Orthogonal Decomposition: Part II—Forced Jets

Guillaume Bidan, Clementine Vezier, Dimitris E. Nikitopoulos
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1809-1822, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46901
https://doi.org/10.1115/GT2011-46901
View Paper titled, Study of Unforced and Modulated Inclined Film-Cooling Jets Using Proper Orthogonal Decomposition: Part II—Forced Jets
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Topics: Film cooling, Jets, Principal component analysis, Flow (Dynamics), Cross-flow, Cycles, Large eddy simulation, Boundary-value problems, Dynamics (Mechanics), Electromagnetic scattering
Proceedings Papers

Experimental and Numerical Study of Steady and Modulated Transverse Jets at Low Blowing Ratios

Guillaume Bidan, Pierre-Emmanuel Bouladoux, Jeremiah E. Oertling, Dimitris E. Nikitopoulos
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2525-2535, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23013
https://doi.org/10.1115/GT2010-23013
View Paper titled, Experimental and Numerical Study of Steady and Modulated Transverse Jets at Low Blowing Ratios
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Topics: Jets, Cycles, Steady state, Dynamics (Mechanics), Electromagnetic scattering, Flat plates, Heat transfer, Large eddy simulation, Radiation scattering, Scattering (Physics)
Proceedings Papers

Liquid-Liquid Segmented Flows in Polymer Microfluidic Channels

Namwon Kim, Michael C. Murphy, Steven A. Soper, Dimitris E. Nikitopoulos
Proc. ASME. ICNMM2009, ASME 2009 7th International Conference on Nanochannels, Microchannels and Minichannels, 1155-1165, June 22–24, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2009-82277
https://doi.org/10.1115/ICNMM2009-82277
View Paper titled, Liquid-Liquid Segmented Flows in Polymer Microfluidic Channels
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Topics: Flow (Dynamics), Microfluidics, Polymers, Fluids, Drops, Microchannels, Transients (Dynamics), Pressure drop, Brass (Metal), Embossing
Proceedings Papers

Assessment and Improvement of the Thermal Performance of a Polycarbonate Micro Continuous Flow Polymerase Chain Reactor (CFPCR)

Pin-Chuan Chen, Michael W. Mitchell, Dimitris E. Nikitopoulos, Steven A. Soper, Michael C. Murphy
Proc. ASME. InterPACK2007, ASME 2007 InterPACK Conference, Volume 1, 129-135, July 8–12, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2007-33330
https://doi.org/10.1115/IPACK2007-33330
View Paper titled, Assessment and Improvement of the Thermal Performance of a Polycarbonate Micro Continuous Flow Polymerase Chain Reactor (CFPCR)
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Topics: Chain, Flow (Dynamics), Temperature, Temperature distribution, Biomedical microelectromechanical systems, Liquid crystals, Copper, Thermal management, Thermocouples, Thin films
Proceedings Papers

Dimensional and Locational Integrity in the Replication of Polymeric Microdevices

Byoung Hee You, Daniel S. Park, Ping-Chuan Chen, Wilfredo M. Caceres, Dimitris E. Nikitopoulos, Steven A. Soper, Michael C. Murphy
Proc. ASME. InterPACK2007, ASME 2007 InterPACK Conference, Volume 2, 955-959, July 8–12, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2007-33482
https://doi.org/10.1115/IPACK2007-33482
View Paper titled, Dimensional and Locational Integrity in the Replication of Polymeric Microdevices
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Topics: Dimensions, Embossing, Injection molding, Manufacturing, Microfluidics, Molding, Polymers, Shrinkage (Materials), Thermal expansion
Proceedings Papers

Assembly Tolerance Analysis for Injection Molded Modular, Polymer Microfluidic Devices

Byoung Hee You, Daniel S. Park, P.-C. Chen, Sudheer D. Rani, Dimitris E. Nikitopoulos, Steven A. Soper, Michael C. Murphy
Proc. ASME. IMECE2008, Volume 13: Nano-Manufacturing Technology; and Micro and Nano Systems, Parts A and B, 803-809, October 31–November 6, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-68143
https://doi.org/10.1115/IMECE2008-68143
View Paper titled, Assembly Tolerance Analysis for Injection Molded Modular, Polymer Microfluidic Devices
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Topics: Manufacturing, Microfluidics, Polymers, Tolerance analysis, Simulation, Brass (Metal), Dimensions, Instrumentation, Mass production, Monte Carlo methods
Proceedings Papers

Protein Adsorption in a Continuous Flow Microchannel Environment

Pin-Chuan Chen, Hong Wang, Daniel S. Park, Sunggook Park, Dimitris E. Nikitopoulos, Steven A. Soper, Michael C. Murphy
Proc. ASME. IMECE2008, Volume 2: Biomedical and Biotechnology Engineering, 249-253, October 31–November 6, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-68094
https://doi.org/10.1115/IMECE2008-68094
View Paper titled, Protein Adsorption in a Continuous Flow Microchannel Environment
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Topics: Flow (Dynamics), Microchannels, Proteins, Coating processes, Coatings, Absorption, Chain, Geometry, Microfluidics, Polymers
Proceedings Papers

Heat/Mass Transfer in Rotating, Smooth, High Aspect-Ratio (4:1) Coolant Channels With Curved Walls in 90° and 45° Orientation

Eashwar Sethuraman, Dimitris E. Nikitopoulos, Sumanta Acharya
Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 213-222, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50247
https://doi.org/10.1115/GT2008-50247
View Paper titled, Heat/Mass Transfer in Rotating, Smooth, High Aspect-Ratio (4:1) Coolant Channels With Curved Walls in 90° and 45° Orientation
Open the PDF for Heat/Mass Transfer in Rotating, Smooth, High Aspect-Ratio (4:1) Coolant Channels With Curved Walls in 90° and 45° Orientation in another window
Topics: Coolants, Curved walls, Heat, Mass transfer, Rotation, Flow (Dynamics), Blades, Cross section (Physics), Ducts, Heat transfer
Proceedings Papers

Optimized High-Aspect-Ratio Diffusional Micromixers

Amit Maha, Vamsidhar Palaparthy, Steven A. Soper, Michael C. Murphy, Dimitris E. Nikitopoulos
Proc. ASME. FEDSM2008, Volume 2: Fora, 645-646, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2008-55294
https://doi.org/10.1115/FEDSM2008-55294
View Paper titled, Optimized High-Aspect-Ratio Diffusional Micromixers
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Topics: Chain, Design, Dimensions, Flow (Dynamics), Gates (Closures), Jets, Manufacturing, Microchannels, Optimization, Pressure
Proceedings Papers

Investigation of Two-Phase Flow in Rectangular Micro-Channels

Namwon Kim, Estelle T. Evans, Steven A. Soper, Michael C. Murphy, Dimitris E. Nikitopoulos
Proc. ASME. FEDSM2008, Volume 2: Fora, 541-551, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2008-55037
https://doi.org/10.1115/FEDSM2008-55037
View Paper titled, Investigation of Two-Phase Flow in Rectangular Micro-Channels
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Topics: Microchannels, Two-phase flow, Flow (Dynamics), Bubbles, Pressure drop, Brass (Metal), Bubbly flow, Embossing, Feedback, Geometry