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Proceedings Papers

Computational Flow Simulation and Interfacial Shear for Annular/Stratified Condensing Flows

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G. Yu, A. Narain
Proc. ASME. IMECE97, Fluids Engineering, 53-60, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0756
https://doi.org/10.1115/IMECE1997-0756
View Paper titled, Computational Flow Simulation and Interfacial Shear for Annular/Stratified Condensing Flows
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Topics: Flow (Dynamics), Flow simulation, Shear (Mechanics), Vapors, Film condensation, Laminar flow, Turbulence, Condensed matter, Drops, Engineering simulation
Proceedings Papers

Free Surface Tracking and Steady/Unsteady Computational Simulations for Internal Condensing Flows

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A. Narain, Q. Liang, A. S. Barve
Proc. ASME. IMECE2001, Heat Transfer: Volume 3 — Fluid-Physics and Heat Transfer for Macro- and Micro-Scale Gas-Liquid and Phase-Change Flows, 121-130, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24208
https://doi.org/10.1115/IMECE2001/HTD-24208
View Paper titled, Free Surface Tracking and Steady/Unsteady Computational Simulations for Internal Condensing Flows
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Topics: Flow (Dynamics), Simulation, Film condensation, Heat transfer, Navier-Stokes equations, Noise (Sound), Stability
Proceedings Papers

Comparative Experimental and Computational Studies for Annular Condensing and Boiling Flows in Millimeter Scale Horizontal Ducts

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A. Narain, M. Kivisalu, R. Naik, N. Gorgitrattanagul, S. Mitra, M. M. Hasan
Proc. ASME. HT2012, Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer, 563-574, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: HT2012-58602
https://doi.org/10.1115/HT2012-58602
View Paper titled, Comparative Experimental and Computational Studies for Annular Condensing and Boiling Flows in Millimeter Scale Horizontal Ducts
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Topics: Boiling, Condensation, Ducts, Flow (Dynamics)
Journal Articles

Obtaining Time-Varying Pulsatile Gas Flow Rates With the Help of Dynamic Pressure Difference and Other Measurements for an Orifice-Plate Meter

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A. Narain, N. Ajotikar, M. T. Kivisalu, A. F. Rice, M. Zhao, N. Shankar
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2013, 135(4): 041101.
Paper No: FE-12-1264
https://doi.org/10.1115/1.4023195
Published Online: February 22, 2013
View Articletitled, Obtaining Time-Varying Pulsatile Gas Flow Rates With the Help of Dynamic Pressure Difference and Other Measurements for an Orifice-Plate Meter
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Topics: Flow (Dynamics), Pressure, Computational fluid dynamics, Turbulence, Pulsatile flow, Compressibility
Proceedings Papers

Shear/Pressure Driven Internal Condensing Flows and Their Sensitivity to Inlet Pressure Fluctuations

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M. Kivisalu, N. Gorgitrattanagul, S. Mitra, R. Naik, A. Narain
Proc. ASME. IMECE2011, Volume 10: Heat and Mass Transport Processes, Parts A and B, 487-498, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-63281
https://doi.org/10.1115/IMECE2011-63281
View Paper titled, Shear/Pressure Driven Internal Condensing Flows and Their Sensitivity to Inlet Pressure Fluctuations
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Shear (Mechanics)
Journal Articles

Forced Flow of Vapor Condensing Over a Horizontal Plate (Problem of Cess and Koh): Steady and Unsteady Solutions of the Full 2D Problem

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S. Kulkarni, A. Narain, S. Mitra
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. October 2010, 132(10): 101502.
https://doi.org/10.1115/1.4001636
Published Online: July 29, 2010
View Articletitled, Forced Flow of Vapor Condensing Over a Horizontal Plate (Problem of Cess and Koh): Steady and Unsteady Solutions of the Full 2D Problem
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Topics: Flow (Dynamics), Vapors, Pressure, Film thickness, Noise (Sound), Film condensation, Stability
Journal Articles

Fluorescence and Fiber-Optics Based Real-Time Thickness Sensor for Dynamic Liquid Films

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T. W. Ng, A. Narain, M. T. Kivisalu
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. March 2010, 132(3): 031603.
https://doi.org/10.1115/1.4000045
Published Online: December 30, 2009
View Articletitled, Fluorescence and Fiber-Optics Based Real-Time Thickness Sensor for Dynamic Liquid Films
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Topics: Calibration, Fluorescence, Liquid films, Sensors, Fibers, Film thickness, Resolution (Optics), Signals, Errors, Hardware
Proceedings Papers

Fluorescence and Fiber-Optics Based Real-Time Thickness Sensor for Dynamic Liquid Films

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T. W. Ng, A. Narain
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1517-1528, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41304
https://doi.org/10.1115/IMECE2007-41304
View Paper titled, Fluorescence and Fiber-Optics Based Real-Time Thickness Sensor for Dynamic Liquid Films
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Topics: Fluorescence, Liquid films, Optical fiber, Sensors, Probes, Film thickness, Flow (Dynamics), Calibration, Capacitance, Dynamics (Mechanics)
Proceedings Papers

Internal Condensing Flows Inside a Vertical Pipe: Experimental/Computational Investigations of the Effects of Specified and Unspecified (Free) Conditions at Exit

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J. H. Kurita, A. Narain, M. Kivisalu, A. Siemionko, S. Kulkarni
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1529-1541, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41306
https://doi.org/10.1115/IMECE2007-41306
View Paper titled, Internal Condensing Flows Inside a Vertical Pipe: Experimental/Computational Investigations of the Effects of Specified and Unspecified (Free) Conditions at Exit
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Topics: Film condensation, Flow (Dynamics), Heat transfer, Pipes, Pressure, Vapors, Ducts, Condensers (steam plant), Heat flux, Heat sinks
Proceedings Papers

Steady “Attractors” for Forced Flow of Vapor Condensing Over a Horizontal Plate (Problem in Cess and Koh) and Their Unsteady Responses to Initial Disturbances and Noise

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S. Kulkarni, A. Narain, S. Mitra
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1543-1555, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41311
https://doi.org/10.1115/IMECE2007-41311
View Paper titled, Steady “Attractors” for Forced Flow of Vapor Condensing Over a Horizontal Plate (Problem in Cess and Koh) and Their Unsteady Responses to Initial Disturbances and Noise
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Topics: Attractors, Film condensation, Flow (Dynamics), Noise (Sound), Stability, Vapors, Pressure, Computation, Condensation, Dynamic response
Proceedings Papers

Effects of Gravity and Surface Tension and Interfacial-Waves and Heat-Transfer Rates in Internal Condensing Flows

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Q. Liang, X. Wang, A. S. Barve, A. Narain
Proc. ASME. HT2003, Heat Transfer: Volume 2, 663-670, July 21–23, 2003
Publisher: American Society of Mechanical Engineers
Paper No: HT2003-47472
https://doi.org/10.1115/HT2003-47472
View Paper titled, Effects of Gravity and Surface Tension and Interfacial-Waves and Heat-Transfer Rates in Internal Condensing Flows
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Topics: Flow (Dynamics), Gravity (Force), Heat transfer, Surface tension, Waves, Noise (Sound), Vapors, Design, Film condensation, Geometry
Proceedings Papers

The Classical Nusselt Problem of Film Condensation: Direct Steady and Unsteady Computational Simulations That Yield Results on Stability and Wave Effects

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L. Phan, S. L. Post, A. Narain
Proc. ASME. IMECE2005, Applied Mechanics, 317-325, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80221
https://doi.org/10.1115/IMECE2005-80221
View Paper titled, The Classical Nusselt Problem of Film Condensation: Direct Steady and Unsteady Computational Simulations That Yield Results on Stability and Wave Effects
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Topics: Engineering simulation, Film condensation, Heat transfer, Simulation, Stability, Waves
Proceedings Papers

Direct Computational Simulations for Condensation Inside Tubes and Channels

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L. Phan, X. Wang, S. Kulkarni, A. Narain
Proc. ASME. IMECE2005, Fluids Engineering, 391-402, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80445
https://doi.org/10.1115/IMECE2005-80445
View Paper titled, Direct Computational Simulations for Condensation Inside Tubes and Channels
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Topics: Computation, Condensation, Condensed matter, Engineering simulation, Film condensation, Flow (Dynamics), Geometry, Gravity (Force), Heat transfer, Noise (Sound)
Proceedings Papers

Internal Condensing Flows Inside a Vertical Pipe: Experimental/Computational Investigations of Effects of Constrained and Natural Exit Conditions

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A. Narain, A. Siemionko, J. H. Kurita, T. W. Ng, N. Kim, K. Opella, P. O. Sweger
Proc. ASME. IMECE2005, Heat Transfer, Part B, 543-553, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80441
https://doi.org/10.1115/IMECE2005-80441
View Paper titled, Internal Condensing Flows Inside a Vertical Pipe: Experimental/Computational Investigations of Effects of Constrained and Natural Exit Conditions
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Topics: Film condensation, Flow (Dynamics), Heat transfer, Pipes, Condensers (steam plant), Vapors, Boundary-value problems, Compressibility, Cross section (Physics), Density
Journal Articles

Internal Condensing Flows inside a Vertical Pipe: Experimental/Computational Investigations of the Effects of Specified and Unspecified (Free) Conditions at Exit

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A. Narain, J. H. Kurita, M. Kivisalu, A. Siemionko, S. Kulkarni, T. W. Ng, N. Kim, L. Phan
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. October 2007, 129(10): 1352–1372.
https://doi.org/10.1115/1.2755063
Published Online: February 10, 2007
View Articletitled, Internal Condensing Flows inside a Vertical Pipe: Experimental/Computational Investigations of the Effects of Specified and Unspecified (Free) Conditions at Exit
Open the PDF for Internal Condensing Flows inside a Vertical Pipe: Experimental/Computational Investigations of the Effects of Specified and Unspecified (Free) Conditions at Exit in another window
Topics: Condensation, Flow (Dynamics)
Journal Articles

Nonlinear Stability of the Classical Nusselt Problem of Film Condensation and Wave Effects

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L. Phan, A. Narain
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. March 2007, 74(2): 279–290.
https://doi.org/10.1115/1.2198249
Published Online: January 26, 2006
View Articletitled, Nonlinear Stability of the Classical Nusselt Problem of Film Condensation and Wave Effects
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Topics: Film condensation, Flow (Dynamics), Stability, Vapors, Waves, Heat transfer, Noise (Sound), Surface tension, Turbulence
Journal Articles

Effects of Gravity, Shear and Surface Tension in Internal Condensing Flows: Results From Direct Computational Simulations

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Q. Liang, X. Wang, A. Narain, Mem. ASME
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. October 2004, 126(5): 676–686.
https://doi.org/10.1115/1.1777586
Published Online: November 16, 2004
View Articletitled, Effects of Gravity, Shear and Surface Tension in Internal Condensing Flows: Results From Direct Computational Simulations
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Topics: Flow (Dynamics), Gravity (Force), Noise (Sound), Shear (Mechanics), Surface tension, Vapors, Waves, Simulation, Resonance, Heat transfer
Journal Articles

Direct Computational Simulations for Internal Condensing Flows and Results on Attainability/Stability of Steady Solutions, Their Intrinsic Waviness, and Their Noise Sensitivity

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A. Narain, Mem. ASME, Q. Liang, G. Yu, X. Wang
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. January 2004, 71(1): 69–88.
https://doi.org/10.1115/1.1641063
Published Online: March 17, 2004
View Articletitled, Direct Computational Simulations for Internal Condensing Flows and Results on Attainability/Stability of Steady Solutions, Their Intrinsic Waviness, and Their Noise Sensitivity
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Topics: Flow (Dynamics), Noise (Sound), Vapors, Stability, Simulation, Resonance
Journal Articles

Modeling of Interfacial Shear for Gas Liquid Flows in Annular Film Condensation

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A. Narain
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. June 1996, 63(2): 529–538.
https://doi.org/10.1115/1.2788900
Published Online: June 1, 1996
View Articletitled, Modeling of Interfacial Shear for Gas Liquid Flows in Annular Film Condensation
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Topics: Film condensation, Flow (Dynamics), Modeling, Shear (Mechanics), Heat transfer, Vapors, Computation, Condensation, Condensed matter, Ducts
Journal Articles

On Three-Dimensional Nonlinear Subharmonic Resonant Surface Waves in a Fluid: Part I—Theory

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X. M. Gu, P. R. Sethna, A. Narain
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 1988, 55(1): 213–219.
https://doi.org/10.1115/1.3173633
Published Online: March 1, 1988
View Articletitled, On Three-Dimensional Nonlinear Subharmonic Resonant Surface Waves in a Fluid: Part I—Theory
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Topics: Fluids, Resonance, Surface waves (Fluid), Containers, Energy dissipation, Excitation, Steady state, Surface tension, Transients (Dynamics)