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Journal Articles

Professor Geoffrey Hewitt on His 80th Birthday

M. M. Awad, F. Mayinger, R. T. Lahey, Jr.
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Guest Editorial
ASME J of Nuclear Rad Sci. January 2015, 1(1): 010301.
Paper No: NERS-14-1049
https://doi.org/10.1115/1.4029139
Published Online: February 5, 2015
View Article titled, Professor Geoffrey Hewitt on His 80th Birthday
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Topics: Engineering teachers
Proceedings Papers

The Modeling of Lift and Dispersion Forces in Two-Fluid Model Simulations: Part I — Jet Flows

M. Lopez de Bertodano, F. J. Moraga, D. A. Drew, R. T. Lahey, Jr.
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 1787-1792, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45557
https://doi.org/10.1115/FEDSM2003-45557
View Paper titled, The Modeling of Lift and Dispersion Forces in Two-Fluid Model Simulations: Part I — Jet Flows
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Topics: Engineering simulation, Flow (Dynamics), Fluids, Lift (Fluid dynamics), Modeling, Simulation, Turbulent diffusion
Proceedings Papers

The Modeling of Lift and Dispersion Forces in Two-Fluid Model Simulations: Part II — Boundary Layer Flows

F. J. Moraga, M. Lopez de Bertodano, D. A. Drew, R. T. Lahey, Jr.
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 1793-1798, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45558
https://doi.org/10.1115/FEDSM2003-45558
View Paper titled, The Modeling of Lift and Dispersion Forces in Two-Fluid Model Simulations: Part II — Boundary Layer Flows
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Topics: Boundary layers, Engineering simulation, Flow (Dynamics), Fluids, Modeling, Simulation, Bubbles, Turbulence, Anisotropy, Eddies (Fluid dynamics)
Proceedings Papers

Stability Analysis of a Uniformly Heated Channel with Supercritical Water

T. Ortega Go´mez, A. Class, R. T. Lahey, Jr., T. Schulenberg
Proc. ASME. ICONE14, Volume 2: Thermal Hydraulics, 775-784, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89733
https://doi.org/10.1115/ICONE14-89733
View Paper titled, Stability Analysis of a Uniformly Heated Channel with Supercritical Water
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Topics: Stability, Water, Nuclear reactors, Bifurcation, Boiling, Boiling water reactors, Eigenvalues, Modeling, Oscillations, Pressure
Journal Articles

The Modeling of Lift and Dispersion Forces in Two-Fluid Model Simulations of a Bubbly Jet

M. Lopez de Bertodano, F. J. Moraga, D. A. Drew, R. T. Lahey,, Jr.
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. July 2004, 126(4): 573–577.
https://doi.org/10.1115/1.1777231
Published Online: September 10, 2004
View Article titled, The Modeling of Lift and Dispersion Forces in Two-Fluid Model Simulations of a Bubbly Jet
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Topics: Bubbles, Drag (Fluid dynamics), Engineering simulation, Fluids, Modeling, Shear flow, Simulation, Turbulence, Turbulent diffusion, Jets
Journal Articles

Development of a k -ε Model for Bubbly Two-Phase Flow

M. Lopez de Bertodano, R. T. Lahey, Jr., O. C. Jones
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 1994, 116(1): 128–134.
https://doi.org/10.1115/1.2910220
Published Online: March 1, 1994
View Article titled, Development of a k -ε Model for Bubbly Two-Phase Flow
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Topics: Two-phase flow, Turbulence, Bubbles, Pipes, Flow (Dynamics), Reynolds number, Shear (Mechanics), Water
Journal Articles

The Prediction of Two-Phase Turbulence and Phase Distribution Phenomena Using a Reynolds Stress Model

M. Lopez de Bertodano, S.-J. Lee, R. T. Lahey, Jr., D. A. Drew
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 1990, 112(1): 107–113.
https://doi.org/10.1115/1.2909357
Published Online: March 1, 1990
View Article titled, The Prediction of Two-Phase Turbulence and Phase Distribution Phenomena Using a Reynolds Stress Model
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Topics: Stress, Turbulence, Bubbles, Lift (Fluid dynamics), Fluids, Momentum, Pipes, Porosity, Pressure gradient, Stress tensors
Journal Articles

Statistical Analysis of Turbulent Two-Phase Pipe Flow

S. K. Wang, S. J. Lee, O. C. Jones, Jr., R. T. Lahey, Jr.
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 1990, 112(1): 89–95.
https://doi.org/10.1115/1.2909374
Published Online: March 1, 1990
View Article titled, Statistical Analysis of Turbulent Two-Phase Pipe Flow
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Topics: Pipe flow, Statistical analysis, Turbulence, Energy dissipation, Fluctuations (Physics), Porosity, Separation (Technology), Shapes, Spectral energy distribution, Two-phase flow
Journal Articles

The Relationship Between Standing Waves, Pressure Pulse Propagation, and Critical Flow Rate in Two-Phase Mixtures

A. E. Ruggles, R. T. Lahey, Jr., D. A. Drew, H. A. Scarton
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 1989, 111(2): 467–473.
https://doi.org/10.1115/1.3250700
Published Online: May 1, 1989
View Article titled, The Relationship Between Standing Waves, Pressure Pulse Propagation, and Critical Flow Rate in Two-Phase Mixtures
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Topics: Flow (Dynamics), Pressure, Standing waves, Fluids, Modeling, Multiphase flow, Two-phase flow
Journal Articles

An Investigation of the Propagation of Pressure Perturbations in Bubbly Air/Water Flows

A. E. Ruggles, R. T. Lahey, Jr., D. A. Drew, H. A. Scarton
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 1988, 110(2): 494–499.
https://doi.org/10.1115/1.3250513
Published Online: May 1, 1988
View Article titled, An Investigation of the Propagation of Pressure Perturbations in Bubbly Air/Water Flows
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Topics: Flow (Dynamics), Pressure, Water, Porosity, Fluids, Multiphase flow, Standing waves, Waveguides
Journal Articles

An Analysis of Wave Propagation in Bubbly Two-Component, Two-Phase Flow

L. Y. Cheng, D. A. Drew, R. T. Lahey, Jr.
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 1985, 107(2): 402–408.
https://doi.org/10.1115/1.3247429
Published Online: May 1, 1985
View Article titled, An Analysis of Wave Propagation in Bubbly Two-Component, Two-Phase Flow
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Topics: Two-phase flow, Wave propagation, Dispersion relations, Resonance, Bubbly flow, Damping, Dispersion (Optics), Flow (Dynamics), Fluids, Scattering (Physics)
Journal Articles

An Instability Analysis of Ventilated Channels

R. Taleyarkhan, M. Podowski, R. T. Lahey, Jr.
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. February 1985, 107(1): 175–181.
https://doi.org/10.1115/1.3247375
Published Online: February 1, 1985
View Article titled, An Instability Analysis of Ventilated Channels
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Topics: Algorithms, Boiling, Dynamics (Mechanics), Momentum, Stability, Turbulence, Ventilation
Journal Articles

The Prediction of Pressure Drop and CCFL Breakdown in Countercurrent Two-Phase Flow

A. G. Ostrogorsky, R. R. Gay, R. T. Lahey, Jr.
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 1983, 105(4): 700–705.
https://doi.org/10.1115/1.3245651
Published Online: November 1, 1983
View Article titled, The Prediction of Pressure Drop and CCFL Breakdown in Countercurrent Two-Phase Flow
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Topics: Pressure drop, Two-phase flow, Flow (Dynamics), Vapors, Boiling water reactors, Computers, Constitutive equations, Heat flux, Liquid films, Manufacturing
Journal Articles

Phase Distribution Mechanisms in Turbulent Two-Phase Flow in Channels of Arbitrary Cross Section

D. A. Drew, R. T. Lahey, Jr.
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 1981, 103(4): 583–589.
https://doi.org/10.1115/1.3241773
Published Online: December 1, 1981
View Article titled, Phase Distribution Mechanisms in Turbulent Two-Phase Flow in Channels of Arbitrary Cross Section
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Topics: Turbulence, Two-phase flow, Anisotropy, Bubbly flow, Cross section (Physics), Pipe flow
Journal Articles

A Turbine-Meter Evaluation Model for Two-Phase Transients

P. S. Kamath, R. T. Lahey, Jr.
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. February 1980, 102(1): 9–13.
https://doi.org/10.1115/1.3244257
Published Online: February 1, 1980
View Article titled, A Turbine-Meter Evaluation Model for Two-Phase Transients
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Topics: Transients (Dynamics), Turbines, Rotors, Inertia (Mechanics), Bearings, Blades, Flow (Dynamics), Flowmeters, Friction
Journal Articles

An Exact Solution for Flow Transients in Two-Phase Systems by the Method of Characteristics

J. M. Gonzalez-Santalo, R. T. Lahey, Jr.
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 1973, 95(4): 470–476.
https://doi.org/10.1115/1.3450091
Published Online: November 1, 1973
View Article titled, An Exact Solution for Flow Transients in Two-Phase Systems by the Method of Characteristics
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Topics: Flow (Dynamics), Transients (Dynamics), Critical heat flux, Heart failure, Accidents, Design, Nuclear reactors, Spacetime, Thermal hydraulics, Water
Journal Articles

The Effect of Obstacles on a Liquid Film

B. S. Shiralkar, R. T. Lahey, Jr.
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 1973, 95(4): 528–533.
https://doi.org/10.1115/1.3450101
Published Online: November 1, 1973
View Article titled, The Effect of Obstacles on a Liquid Film
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Topics: Liquid films, Critical heat flux, Flow (Dynamics), Momentum, Nuclear reactors, Vapors, Water
Journal Articles

Closure to “Discussions of ‘Mass Flux and Enthalpy Distribution in a Rod Bundle for Single- and Two-Phase Flow Conditions’” (1971, ASME J. Heat Transfer, 93, pp. 206–208)

R. T. Lahey, Jr., B. S. Shiralkar, D. W. Radcliffe
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Discussions
J. Heat Mass Transfer. May 1971, 93(2): 208–209.
https://doi.org/10.1115/1.3449789
Published Online: May 1, 1971
View Article titled, Closure to “Discussions of ‘Mass Flux and Enthalpy Distribution in a Rod Bundle for Single- and Two-Phase Flow Conditions’” (1971, ASME J. Heat Transfer, 93, pp. 206–208)
Open the PDF for Closure to “Discussions of ‘Mass Flux and Enthalpy Distribution in a Rod Bundle for Single- and Two-Phase Flow Conditions’” (1971, ASME J. Heat Transfer, 93, pp. 206–208) in another window
Topics: Enthalpy, Fuel rods, Heat transfer, Two-phase flow
Journal Articles

Mass Flux and Enthalpy Distribution in a Rod Bundle for Single- and Two-Phase Flow Conditions

R. T. Lahey, Jr., B. S. Shiralkar, D. W. Radcliffe
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 1971, 93(2): 197–206.
https://doi.org/10.1115/1.3449786
Published Online: May 1, 1971
View Article titled, Mass Flux and Enthalpy Distribution in a Rod Bundle for Single- and Two-Phase Flow Conditions
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Topics: Enthalpy, Fuel rods, Two-phase flow, Flow (Dynamics), Boiling water reactors