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Robert A. Leishear
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Proceedings Papers

Fluid Transients Ignited the San Bruno Gas Pipeline Explosions

Robert A. Leishear
Proc. ASME. PVP2023, Volume 3: Fluid-Structure Interaction, V003T04A026, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-109226
https://doi.org/10.1115/PVP2023-109226
View Paper titled, Fluid Transients Ignited the San Bruno Gas Pipeline Explosions
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Topics: Explosions, Pipelines, Pipes, Unsteady flow
Journal Articles

Explosion Differentiation Using Light Emissions—Nuclear Reactor, Steam, Water Hammer, Hydrogen, Piper Alpha, and Hydro-Volcanic Explosions

Robert A. Leishear
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2023, 2: 021004.
Paper No: AOJE-22-1030
https://doi.org/10.1115/1.4056472
Published Online: January 11, 2023
View Article titled, Explosion Differentiation Using Light Emissions—Nuclear Reactor, Steam, Water Hammer, Hydrogen, Piper Alpha, and Hydro-Volcanic Explosions
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Topics: Explosions, Water hammer, Hydrogen, Pipes
Journal Articles

Water Hammers Exploded the Nuclear Power Plants at Fukushima Daiichi

Robert A. Leishear
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Expert View
ASME J of Nuclear Rad Sci. January 2023, 9(1): 014702.
Paper No: NERS-21-1058
https://doi.org/10.1115/1.4054004
Published Online: June 10, 2022
View Article titled, Water Hammers Exploded the Nuclear Power Plants at Fukushima Daiichi
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Topics: Explosions, Hydrogen, Water
Journal Articles

The Autoignition of Nuclear Reactor Power Plant Explosions

Robert A. Leishear
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Technology Review
ASME J of Nuclear Rad Sci. January 2020, 6(1): 014001.
Paper No: NERS-18-1021
https://doi.org/10.1115/1.4044807
Published Online: November 29, 2019
View Article titled, The Autoignition of Nuclear Reactor Power Plant Explosions
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Topics: Explosions, Hydrogen
Journal Articles

Water Hammer Causes Water Main Breaks

Robert A. Leishear
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2020, 142(2): 021402.
Paper No: PVT-19-1040
https://doi.org/10.1115/1.4044423
Published Online: October 31, 2019
View Article titled, Water Hammer Causes Water Main Breaks
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Topics: Corrosion, Failure, Pipes, Water hammer, Water pipes, Stress, Pressure, Valves, Waves, Water
Journal Articles

When the Joukowsky Equation Does Not Predict Maximum Water Hammer Pressures

Trey W. Walters, Robert A. Leishear
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Review Articles
J. Pressure Vessel Technol. December 2019, 141(6): 060801.
Paper No: PVT-18-1190
https://doi.org/10.1115/1.4044603
Published Online: October 9, 2019
View Article titled, When the Joukowsky Equation Does Not Predict Maximum Water Hammer Pressures
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Topics: Engineers, Pipes, Pressure, Reflection, Transients (Dynamics), Valves, Water hammer, Waves, Piping systems, Vapors
Proceedings Papers

When the Joukowsky Equation Does Not Predict Maximum Water Hammer Pressures

Trey W. Walters, Robert A. Leishear
Proc. ASME. PVP2018, Volume 4: Fluid-Structure Interaction, V004T04A018, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84050
https://doi.org/10.1115/PVP2018-84050
View Paper titled, When the Joukowsky Equation Does Not Predict Maximum Water Hammer Pressures
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Topics: Water hammer, Approximation, Pipes, Pressure, Unsteady flow, Collapse, Engineers, Errors, Friction, Surges
Proceedings Papers

Shock Waves, Vibrations, and Resonance in Linearly Elastic Beams

Robert A. Leishear
Proc. ASME. PVP2017, Volume 3B: Design and Analysis, V03BT03A034, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65230
https://doi.org/10.1115/PVP2017-65230
View Paper titled, Shock Waves, Vibrations, and Resonance in Linearly Elastic Beams
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Topics: Resonance, Shock waves, Vibration, Stress, Bending (Stress), Pressure, Damping, Deflection, Elasticity, Equilibrium (Physics)
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part III — Hamaoka Piping Explosion

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A013, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66284
https://doi.org/10.1115/PVP2017-66284
View Paper titled, Nuclear Power Plant Fires and Explosions: Part III — Hamaoka Piping Explosion
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Topics: Explosions, Fire, Nuclear power stations, Pipes, Hydrogen, Accidents, Oxygen, Ignition, Nuclear reactors, Water hammer
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part II — Hydrogen Ignition Overview

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A011, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66278
https://doi.org/10.1115/PVP2017-66278
View Paper titled, Nuclear Power Plant Fires and Explosions: Part II — Hydrogen Ignition Overview
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Topics: Explosions, Fire, Hydrogen, Ignition, Nuclear power stations, Accidents, Water hammer, Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986, Fukushima nuclear disaster, Japan, 2011, Pipes
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part IV — Water Hammer Explosion Mechanisms

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A012, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66279
https://doi.org/10.1115/PVP2017-66279
View Paper titled, Nuclear Power Plant Fires and Explosions: Part IV — Water Hammer Explosion Mechanisms
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Topics: Explosions, Fire, Nuclear power stations, Water hammer, Hydrogen, Oxygen, Pipes, Compression, Accidents, Combustion
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part I — Plant Designs and Hydrogen Ignition

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A014, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66285
https://doi.org/10.1115/PVP2017-66285
View Paper titled, Nuclear Power Plant Fires and Explosions: Part I — Plant Designs and Hydrogen Ignition
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Topics: Explosions, Fire, Hydrogen, Ignition, Nuclear power stations, Plant design, Pressurized water reactors, Accidents, Boiling water reactors, Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986
Proceedings Papers

Design and Application of Low Flow Steam Siphon Jet Pumps

Robert A. Leishear, William M. Bennett, Jackie Cooper
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T11A013, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: POWER2016-59748
https://doi.org/10.1115/POWER2016-59748
View Paper titled, Design and Application of Low Flow Steam Siphon Jet Pumps
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Topics: Design, Flow (Dynamics), Jet pumps, Steam, Jets, Pipes, Suction, Computers, Density, Diffusers
Journal Articles

From Water Hammer to Ignition

Robert A. Leishear
Journal: Mechanical Engineering
Publisher: ASME
Article Type: Select Article
Mechanical Engineering. December 2014, 136(12): 44–47.
Paper No: ME-14-DEC3
https://doi.org/10.1115/1.2014-Dec-3
Published Online: December 1, 2014
View Article titled, From Water Hammer to Ignition
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Topics: Accidents, Explosions, Fire, Hydrogen, Ignition, Oxygen, Safety, Water hammer, Water, Steam
Journal Articles

A Hydrogen Ignition Mechanism for Explosions in Nuclear Facility Piping Systems

Robert A. Leishear
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Briefs
J. Pressure Vessel Technol. October 2013, 135(5): 054501.
Paper No: PVT-11-1024
https://doi.org/10.1115/1.4024639
Published Online: September 18, 2013
View Article titled, A Hydrogen Ignition Mechanism for Explosions in Nuclear Facility Piping Systems
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Topics: Explosions, Hydrogen, Ignition, Pipes, Piping systems, Pressure, Temperature, Unsteady flow, Steam, Valves
Journal Articles

CFD & Safety Factors

Robert A. Leishear
Journal: Mechanical Engineering
Publisher: ASME
Article Type: Select Article
Mechanical Engineering. February 2013, 135(02): 30–35.
Paper No: ME-13-FEB3
https://doi.org/10.1115/1.2013-FEB-3
Published Online: February 1, 2013
View Article titled, CFD & Safety Factors
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Topics: Computational fluid dynamics, Pumps, Computer simulation, Safety
eBook Chapter

Introduction

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
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Topics: Corrective actions, Design, Dynamics (Mechanics), Failure, Pipes, Piping systems, Pressure, Stress, Water hammer
eBook Chapter

Steady-State Fluid Mechanics and Pipe System Components

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
Open the PDF for Steady-State Fluid Mechanics and Pipe System Components in another window
Topics: Fluid mechanics, Pipes, Steady state
eBook Chapter

Pipe System Design

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
Open the PDF for Pipe System Design in another window
Topics: Design, Pipes
eBook Chapter

Pipe Failure Analysis and Damage Mechanisms

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
Open the PDF for Pipe Failure Analysis and Damage Mechanisms in another window
Topics: Damage, Failure analysis, Pipes