TECHNICAL PUBLICATIONS

Robert A. Leishear, PhD., P.E., PMP

ASME Textbooks: Piping System Design, Fluid Mechanics, Water Hammer, and Failure Analysis

1. "Fluid Mechanics, Water Hammer, Dynamic Stresses, and Piping Design", R. A. Leishear, 2013, Textbook, ASME Press, New York, New York, peer reviewed.
2. "Supplement to Fluid Mechanics, Water Hammer, Dynamic Stresses, and Piping Design", R. A. Leishear, 2015, Textbook, ASME Press, New York, New York.


The Fluid Transient Disaster


​3. "Preventable Disasters -The Fight for New Ideas, Never Give an Inch", 2021, R. A. Leishear, Op Ed News.


Explosions in Gas Pipelines


​4. "The Primary Cause of Oil and Gas Pipeline Spills and Explosions", R. A. Leishear, 2019, Empowering Pumps eMagazine.

5. "Bureaucracy Solves No Problems", 2019, R. A. Leishear, Aiken Standard Newspaper, Aiken, South, Carolina.


Nuclear Weapons


6. "Nuclear Threats - Part 1 - We are Not Safe if North Korea Fires Nuclear Bombs at Us", R. A. Leishear, 2022, OpEd News. 

7. "Nuclear Threats - Part 2 - A Fight for Freedom of the Press to Say that We are Not Safe if Nuclear Bombs are Fired at Us", R. A. Leishear, 2022, OpEd News. 

8. "Series - None of Us Are Safe From Nuclear Weapon Murders", R. A. Leishear, 2022, OpEd News.

9. "The U.S. Cannot Adequately Protect Us From a Nuclear Attack by North Korea", R. A. Leishear, 2022, OpEd News. 

10."Nuclear Weapons - Mass Murder in South and North Korea?", R. A. Leishear, 2022, OpEd News. 

​11. "Make the Bomb Against the Law - Mass Murder is a Crime", R. A. Leishear, 2022, OpEd News. 

12. "Would The Detonation Of Tactical Nuclear Weapons (Atomic Bombs) Against People Equal Mass Murder And War Crimes?", R. A. Leishear, 2022, OpEd News. 

13. "The Horror of Battlefield Tactical Nuclear Weapons - Insights Sparked by Events In Ukraine and North Korea", R. A. Leishear, 2022, OpEd News. 


Explosions in Nuclear Power Plants


14. "Explosion Differentiation Using Light Emissions: Steam, Water Hammer, Hydrogen, Piper Alpha, and Hydro-Volcanic Explosions", 2022 ASME, pp. 1-16, peer reviewed, in publication.

15. "Series: Nuclear Threats in Nuclear Power and Nuclear Missile Defenses", R. A. Leishear, 2022, OpEd News. 

16. "Nuclear Threats - Part 3 - Our Government Lies to Us about Nuclear Safety - Radioactive Explosions in War and in Peace",  R. A. Leishear, 2022, OpEd News. 
17. "Nuclear Threats - Part 4 - Take Action against U.S. Cover-ups in Nuclear Power and Nuclear Missile Defense", R. A. Leishear, 2022, OpEd News. 

18. "Series - Nuclear Reactor Power Plants Can Violently Explode – A Nuclear Industry Cover-up", R. A. Leishear, 2022, OpEd News.

19. "Stop A Potential Radioactive Europe and Russia - A Letter To Energoatom, The Ukraine Nuclear Power Company", R. A. Leishear, 2022, OpEd News. 

20. "The Ukraine Nuclear Scare - The IAEA Endangered Europe and Russia",  R. A. Leishear, 2022, OpEd News. 

21. "You Can Stop an Explosive Nuclear Disaster: A Message to Nuclear Power Reactor Operators",  R. A. Leishear, 2022, OpEd News. 

22. “A Nuclear Disaster in Europe Can Be Stopped”, R. A. Leishear, 2022, OpEd News. 

23. "Will We Let a Ukraine Nuclear Power Plant Explode?", R. A. Leishear, 2022, OpEd News.  

24. "We Can Still Prevent Widespread Catastophic Explosions at Ukraine Nuclear Power Plants", R. A. Leishear, 2022, OpEd News.

25. "The U.S. NRC Still Fails to Protect Us Against Nuclear Power Plant Explosions Like Fukushima",  R. A. Leishear, 2022, OpEd News. 

26. "Press Censorship and the Nuclear Power Plant Explosions That Still Bang at Our Doors",  R. A. Leishear, 2022, OpEd News. 

27. "Deceit is the Core of Nuclear Power Explosion Safety", R. A. Leishear, 2022, OpEd News. 

28. "We Should Be Afraid of Nuclear Power", R. A. Leishear, 2022, OpEd News. 

29. "Blasting Into Our Lives - The Three Mile Island Explosion Cover-up: TV, Myths, and Reality", R. A. Leishear, 2022, OpEd News.



30. "The Next Nuclear Power Plant Explosion Bangs at Our Doors", R. A. Leishear, 2022, Academia.edu and ResearchGate.com.



​31. "Expert View: Water Hammers Exploded the Nuclear Power Plants at Fukushima Daiichi", 2022, R. A. Leishear, ASME Journal of Nuclear Engineering and Radiation  Science, pp. 1-29, peer reviewed.

32. "Potential Ukraine Nuclear Power Plant Explosions Can be Stopped", 2022, OpEd News.

33. "Nuclear Power Plants Are Not So Safe: Fluid Transients / Water Hammers, Autoignition, Explosions, Accident Predictions and Ethics", 2021, R. A. Leishear, Science Publishing Group, pp 1-42, peer reviewed.

(http://www.sciencepublishinggroup.com/journal/paperinfo?journalid=204&doi=10.11648/j.ijp.20210901.13 ). ​
34. "DOE Cover Up of Explosion Dangers in US Nuclear Power Plants and DOE Responses", 2020, R. A. Leishear, Leishear Engineering, LLC, Correspondence with the DOE Office of the Inspector General.







35."The TMI-2 Explosion",  ANS Nuclear News Magazine 2019, R. A. Leishear, peer reviewed.



36. "The Autoignition of Nuclear Power Plant Explosions", 2019, R. A. Leishear, ASME Journal of Nuclear Engineering and Radiation  Science, peer reviewed.

37. "Pump Start-ups Ignite Nuclear Power Plants, History, Law, and Risk", 2018, R. A. Leishear, Pressures Surge Conference, BHR Group, peer reviewed.

38. "Nuclear Power Plant Fires, and Explosions, Accident Overviews", 2017, R. A. Leishear, American Nuclear Society Winter Conference, peer reviewed.

39."Nuclear Power Plant Fires, and Explosions, I, Plant Designs and Hydrogen Properties", 2017, R. A. Leishear, ASME Pressure Vessels and Piping Conference, peer reviewed.

40. "Nuclear Power Plant Fires, and Explosions, II, Hydrogen Ignition Overview", 2017, R. A. Leishear, ASME Pressure Vessels and Piping Conference, peer reviewed. 

41. "Nuclear Power Plant Fires, and Explosions, III, Hamaoka Explosion", 2017, R. A. Leishear, ASME Pressure Vessels and Piping Conference, peer reviewed.
42. "Nuclear Power Plant Fires, and Explosions, IV, Water Hammer Ignition Mechanisms", 2017, R. A. Leishear, ASME Pressure Vessels and Piping Conference, peer reviewed.
43. “From Water Hammer to Ignition, The Spark That Ignited Three Mile Island Burst From a Safety Valve”, 2014, R. A. Leishear, ASME, Mechanical Engineering Magazine, Revised, 2022, Academia.com and ResearchGate.com, peer reviewed.



44. “Explosions: A Fresh Look at Chernobyl, Three Mile Island, the Gulf Oil Spill, and Fukushima Daiichi”, R. A. Leishear, December, 2013, Mensa World Journal, Caythorpe, United Kingdom.
45. “Pipeline Explosions, A New Theory”, 2013, R. A. Leishear, ASME, Mechanical Engineering Magazine, peer reviewed.

46. “A Hydrogen Ignition Mechanism for Explosions in Nuclear Facility Pipe Systems”, R. A. Leishear, 2013, Journal of Pressure Vessel Technology, ASME, peer reviewed.
47. “Hydrogen Ignition Mechanism for Explosions in Nuclear Facility Pipe Systems”, Leishear, R. A., 2010, ASME, Pressure Vessel and Piping Conference, peer reviewed.

Water Main Breaks, Corrosion and Public Health


48. "Water Hammer and Fatigue Corrosion – I - A Piping System Failure Analysis", BHR Group (in-progress).

49. "Water Hammer and Fatigue Corrosion – II - An Electron Microscopy Study", BHR Group (in-progress).

50. "Water System Operators can Stop Water Main Breaks", OpShow 2022, AWWA.

51. "City must address water main breaks", R. A. Leishear, 2022, Aiken Standard Newspaper, Aiken, South, Carolina.

52. "City Works to Stop Water Main Breaks", (Re-titled by the newspaper from "The Aiken Water Main Breaks Keep on Coming"), 2021, R. A. Leishear, Aiken Standard newspaper, Aiken, South, Carolina.

53. "Our Water Mains Contaminate Us With E. Coli, Lead and Copper - Illness and Death Follow", R. A. Leishear, 2021, Science Publishing Group, peer reviewed.

54. "Of Course We Can Stop Nearly $1.7 Trillion in Water Main Breaks", R. A. Leishear, 2020, NACE, Materials Performance Magazine, editor reviewed.

55. "We Can Stop Nearly $1.7 Trillion in Water Main Breaks", R. A. Leishear, 2020, NACE, Materials Performance Magazine, editor reviewed.

56. "Hammer Time", R. A. Leishear, 2020, Fluid Handling International Magazine, Surrey, United Kingdom.

57. "Water Hammer and Fatigue Strength Reduction from Grit Blasting for Coatings", R. A. Leishear, 2020, NACE Corrosion Conference and Expo, peer reviewed.

58. "Fluid Transients and B31D", R.A. Leishear, 2019, ASME Code Committee presentations, B31.1, B31.3, B31.4, B31.8, MDC, and Non-metallic Piping. 

59. "Water Hammer Causes Water Main Breaks", 2019, R. A. Leishear, ASME Journal of Pressure Vessel Technology, peer reviewed.

60. "Water Main Breaks Can Be Stopped", 2019, R. A. Leishear, Aiken Standard newspaper, Aiken, South, Carolina.

61. "We Can Stop a Trillion Dollars ($1,000,000,000,000) in US Water Main Failures", 2019, The Water Wellspring ... Water and Waste Water Information, South Carolina Office of Regulatory Staff.

62. " Stop Costly Water Main Breaks Before They Happen", R. A. Leishear, 2018, American Water Works Association, OpFlow Magazine, editor reviewed.

63. "Water Main Failures, Water Hammer, Corrosion and Fatigue Failures", R. A. Leishear, 2018, American Water Works Association, ACE Conference and Ex​hibition, peer reviewed.



64. "Water Main Failures Due to Water Hammer - A Billion Dollar a Year Problem", R. A. Leishear, 2018, Empowering Pumps eMagazine.

65. "Grit Blasting for Coatings Accelerates Piping and Structural Failures", 2019, Empowering Pumps eMagazine.


Bridge Failures

​66. "The U.S. Bridge-Safety Cover-up - Bridge Collapses Kill People", R. A. Leishear, 2022, OpEd News.   ​

67. "Bridge Safety Dangers - Fatigue Cracks, Brittle Failures and Grit Blasting", R. A. Leishear, 2021, Science Publishing Group, peer reviewed.

68. "Coating Preparations Reduce the Strength of Bridges", R. A. Leishear, 2020, Structure Magazine.



Water Hammer, Pipe Stresses, Plasticity, Fracture Mechanics, and Fatigue


69. "Water Hammer and Piping Stresses Tutorial", 2018, Leishear, Pump Users Symposium, peer reviewed.

70. "When the Joukowski Equation Does Not Predict Maximum Water Hammer Pressures", T. Walters and R.A. Leishear, 2018, ASME, Pressure Vessel and Piping Conference, peer reviewed.

71. “Editorial on Water Hammer”, 2013, R. A. Leishear, Machine Design Magazine, editor reviewed.

72. "Water Hammer Piping Damages in Nuclear Facilities", 2017, Safety Analysis Conference, Energy Facility Contractor's Group, Hanford Washington, peer reviewed.

73. “Water Hammer in an Open End Pipe”, Leishear, R. A., 2008, ASME, Pressure Vessel and Piping Conference, peer reviewed.
74. “Stresses in a Cylinder Subjected to an Internal Shock”, Leishear, R. A., 2007, ASME Journal of Pressure Vessel Technology, peer reviewed.
75. “Dynamic Stresses During Water Hammer, A Finite Element Approach”, Leishear, R. A., 2007, ASME Journal of Pressure Vessel Technology, peer reviewed.
76. “Derivation of Hoop Stress Equations Resulting from Shock Waves in a Tube”, Leishear, R. A., 2007, Joint ASME Pressure Vessel and Piping Division Conference, peer reviewed.
77. “Comparison of Experimental to Theoretical Pipe Strains During Water Hammer”, Leishear, R. A., 2006, Joint ASME Pressure Vessel and Piping Division  / International Council of Pressure Vessel Technology Conference, peer reviewed.
78. “Application of a Dynamic Stress Theory to Pipe Leaks”, Leishear, R. A., 2006, Joint ASME Pressure Vessel and Piping Division / International Council of Pressure Vessel Technology Conference, peer reviewed.
79. “Experimental Determination of Water Hammer Pressure Transients During Vapor Collapse”, Leishear, R. A., 2006, Joint ASME Pressure Vessel and Piping Division / International Council of Pressure Vessel Technology Conference, peer reviewed.
80. “Dynamic Stresses During Structural Impacts and Water Hammer”, 2005, R. A. Leishear, Doctoral Dissertation, University of South Carolina, peer reviewed.
81. “Water Hammer Pressure Transients in a Closed Loop System”, Leishear, Morehouse, 2004, Joint Heat Transfer and Fluids Engineering Conference, peer reviewed.
82. “Dynamic Pipe Stresses During Water Hammer, V, Applications”, Leishear, Morehouse, 2003, International Mechanical Engineering Congress and Exposition, peer reviewed.
83. “Dynamic Pipe Stresses During Water Hammer, IV, Elastoplasticity in Thick Walled Tubes”, 2003, Leishear, Morehouse, ASME / JSME Fluids Conference, peer reviewed.
84. “Dynamic Pipe Stresses During Water Hammer, III, Complex Stresses”, Leishear, 2002, Pressure Vessel and Piping Conference, peer reviewed.
85. “Dynamic Pipe Stresses During Water Hammer, II, A Vibration Analysis”, Leishear, 2002, Pressure Vessel and Piping Conference, peer reviewed.
86. “Dynamic Pipe Stresses During Water Hammer, I, A Finite Element Analysis”, Leishear, Rhodes, Alford, Young, 2002, Pressure Vessel and Piping Conference, peer reviewed.
87. “Maximum Stresses Resulting from a Water Hammer Induced Shock Wave: A Comparison of Finite Element to Vibration Analysis Techniques”, 2001, R. A. Leishear, Master’s Thesis, University of South Carolina, peer reviewed.
88. “Stresses In a Cylinder Subjected to an Internal Shock”, Leishear, 2005, Pressure Vessel and Piping Conference, peer reviewed.

Mixing Technology, Mass Transfer, and Computational Fluid Dynamics

89. “CFD and Safety Factors”, 2013, Leishear, Lee, Stefanko, Fowley, Poirier, Steeper, Ervin,Van Pelt, Harp, Giddings, ASME, Mechanical Engineering Magazine, peer reviewed.


90. “Mixing in Million Gallon Tanks”, Leishear, R. A., Poirier, M. R., and Fowley, M. D., Lee, S. Y., 2013, Waste Management Symposium, peer reviewed.
91. “Blending Analysis for Radioactive Salt Waste Processing Facility”, 2012, Lee, S. Y., Leishear, R. A. , Advances in Thermal Hydraulics, Curan Associates, Red Hook, New York.
92. “Comparison of Experiments to CFD Models for Mixing Using Dual Opposing Jets in Tanks With and Without Internal Obstructions”, 2012, Leishear, R. A., Lee, S. Y.,  Poirier, M. R., Fowley, M. D., and Steeper, T. J., J Fluids Eng- Trans ASME, peer reviewed.
93. “Comparison of Experimental Results to CFD Models for Blending in a Tank Using Dual Opposing Nozzles”, 2011, Leishear, R. A., Poirier, M. R., and Fowley, M. D., Lee, S. Y., Steeper, T. J.., 2011, ASME, International Mechanical Engineers Congress and Exposition, peer reviewed.
94. “Blending Time and Velocity Variations During Blending in a Tank Using Dual Opposing Jets”, 2011, Leishear, R. A., Fowley, M. D., Poirier, M. R., Lee, S. Y., and Steeper, T. J., 2011,ASME, International Mechanical Engineers Congress and Exposition, peer reviewed.
95. “Incipient Sludge Mixing in Radioactive Liquid Waste Storage Tanks During Salt Solution Blending”, 2011, Leishear. Fowley, Steeper, Poirier, Parkinson, Lee, Waste Management Symposium.
96. “Cooling Coil Effects on Blending in a Pilot Scale Tank”, Leishear. Fowley, Steeper, Poirier, 2010, North American Mixing Forum, American Institute of Chemical Engineers Conference, peer reviewed.
97. “Mass Transfer Coefficients for a Non-Newtonian Fluid and Water With and Without Anti-foam Agents”, 2010, Leishear, Restivo, Sherwood, Guerrero, ASME, J Fluids Eng- Trans ASME, peer reviewed.
98. “Effects of Oxygen and Air Mixing on Void Fractions in a Large Scale System”, Leishear, R. A., Restivo, M. L., Guerrero, H. N., Sherwood, D. J, 2009, American Institute of Chemical Engineers Annual Conference, peer reviewed.
99. “Analysis of Turbulent Mixing Jets in a Large Scale Tank”, 2008, Lee, S. Y., Leishear, R. A., Dimenna, R., Stefanko, D. B., ASME J Fluids Eng- Trans ASME, peer reviewed.
100. “Mixing in Large Scale Systems”, Leishear, R. A., Restivo, M. L., Guerrero, H. N., Sherwood, D. J., 2008, American Institute of Chemical Engineers Annual Conference, peer reviewed.
101. “Bubble Formation in Large Scale Systems”, Leishear, R. A., Restivo, M. L., Sherwood, D. J., IMECE2008-66009, 2008, ASME Fluids Conference.
102. “Mass Transfer Coefficients in Large Scale Systems”, Leishear, R. A., Restivo, M. L., Guerrero, H. N., Sherwood, D. J., ASME, 2008, IMECE2008-66009, International Mechanical Engineers Conference and Exposition, peer reviewed.
103. “Mixing in Large Scale Tanks, III, Predicting Slurry Pump Performance”, Leishear, Lee, Dimenna, Stefanko, 2004, Joint Heat Transfer and Fluids Engineering Conference, peer reviewed.
104. “Mixing in Large Scale Tanks, II, Full Scale Pump Testing”, Stefanko, Leishear, Lee, Dimenna, 2004, Joint Heat Transfer and Fluids Engineering Conference, peer reviewed.
105. “Mixing in Large Scale Tanks, I, Flow Modeling of Turbulent Mixing Jets”, Lee, Dimenna, Stefanko, Leishear, 2004, Joint Heat Transfer and Fluids Engineering Conference, peer reviewed.

106. "Blending Study for SRR Salt Disposition Integration: Tank 50H Scale-Modeling and Computer-Modeling for Blending Pump Design, Phase 2"
R. A. Leishear, M. R. Poirier, M.D. Fowley, SRNL-STI-2011-00151, Savannah River National Laboratory, Aiken, S. C., Department of Energy, Office of Scientific and Technical Information, peer reviewed.

107. “Blending and Transfer Pump Models”, 2010, R. A. Leishear, K. Parkinson, Environmental Management Technology Exchange, Atlanta, Ga.

Pump Design, Applications, and Failure Analysis

108. "Vibrations Resonate into Pump and Machinery Failures", R. Leishear, 2018, Empowering Pumps eMagazine.

109. "Challenges with Positive Displacement and Centrifugal Pumps - Plenary Speaker", Leishear, 2017, Hydraulic Institute Conference.

110. “Design and Application of Low Flow Steam Siphon Jet Pumps”, Leishear, Cooper, Bennett, 2016, ASME Fluids and Heat Transfer Conference, New York, New York, peer reviewed.
111. “Centrifugal Pump Failures Due to Resonance”, Leishear, 2010, Vibration Institute Conference.

112. “Predicting Slurry Pump Performance”, 2008, R. A. Leishear, Department of Energy, Slurry Retrieval, Pipeline Transport & Plugging, And Mixing Workshop.
113. “Excitation of Structural Resonance Due to a Bearing Failure”, Leishear, R. A., Stefanko, D. B.,  Newton, J. D., IMECE2007-41055, 2007, ASME International Mechanical Engineering Congress and Exposition, peer reviewed.
114. “Pump Designs for Mixing Nuclear Waste”, 2004, R. A. Leishear, Environmental Management Technology Exchange, Savannah River Site, S. C.
115. “Relationship Between Vibrations and Mechanical Seal Life in Centrifugal Pumps”, Leishear, R. A., Stefanko, D. B., Badger, R. L., IJTC2007-44017, 2007, ASME Tribology Conference, peer reviewed.

116. “Relationship Between Vibrations and Mechanical Seal Failures in Centrifugal Pumps”, Leishear and Stefanko, 2005, International Mechanical Engineering Congress and Exposition.
117. "Vibration Analysis of Tanks 7F, 8F, and 11 H Slurry Pumps", Leishear, R. A., Stefanko, D. B., WSRC-TR-2005-00108, Westinghouse Savannah River Company.
118. "Vibration Analysis Quad Volute Slurry Pumps", Leishear, R. A., Stefanko, D. B., WSRC-TR-2005-00109, Westinghouse Savannah River Company.
119."Vibration Analysis of Standard Slurry Pumps", Leishear, R. A., Stefanko, D. B., WSRC-TR-2005-00110, Westinghouse Savannah River Company.
120. "Vibration Analysis of Vertical Evaporator Feed Pump", Leishear, R. A., Stefanko, D. B., WSRC-TR-2005-00111, Westinghouse Savannah River Company.
121. "Vibration Analysis of Telescoping Transfer Pumps", Leishear, R. A., Stefanko, D. B., WSRC-TR-2005-00112, Westinghouse Savannah River Company.
122. "Relationship Between Vibration and Mechanical Seal Failures in Vertical Pumps", Leishear, R. A., Stefanko, D. B., WSRC-TR-2005-00113, Westinghouse Savannah River Company.

123. “Practical Use of Rotordynamic Analysis to Correct a Vertical Long Shaft Pump's Whirl Problem”, 2002, Corbo, Stefanko, Leishear, International Pump Users Symposium, Texas A&M, peer reviewed.

Vibration Analysis and Shock Waves

124. "Shock Waves, Vibrations, and Resonance in Linearly Elastic Beams", 2017, R. A. Leishear,  ASME Pressure Vessel and Piping Conference, peer reviewed.

125. “Shock Waves and Vibrations”, Leishear, R. A., 2016, ASME Pressure Vessel and Piping Conference, New York, New York, peer reviewed.
126. “Higher Mode Frequency Effects on Machinery Vibration”, Leishear, R. A., ASME, 2010, US National Congress on Theoretical and Applied Mechanics, New York, New York.
127. “Machinery Resonance and Drilling”, 2010, Leishear, R. A., Fowley, M. D., US National Congress of Theoretical and Applied Mechanics, State College, Pa.
128. “Stresses During Impacts on Horizontal Rods”, Leishear, 2005, International Mechanical Engineering Conference and Exposition, peer reviewed.
129. “Dynamic Stresses During Structural Impacts”, 2003, Leishear, Morehouse, 2003, International Mechanical Engineering Congress and Exposition, peer reviewed.


Chemical Processing

130. “Nitrate Conversion of HB-Line Reillex HPQ Resin”, 2012, Steimke, Leishear, Williams, and Steeper, SRNL-STI-2012-00160, Savannah River National Laboratory, Aiken, S. C., Department of Energy, Office of Scientific and Technical Information.
131. “Grout Hopper Mock-up Testing”, 2011, Hansen, Pickenheim, Leishear (Equipment Designer), and Reigel, SRNL-STI-2011-00465, Savannah River National Laboratory, Aiken, S. C., Department of Energy, Office of Scientific and Technical Information.

Robotics

132. “Tank 18 and Tank 19 Wall Sampler Performance”, Leishear, Fowley, Thaxton, Vetsch, Martin, Steeper, France, Minichan, and Corbett, 2010, Paper No. 10368, Waste Management Symposium.

Vacuum Technology

133. “High Vacuum Measurements and Calibrations: Molecular Flow Fluid Transient Effects”, Leishear and Gavalas, 2015, Vacuum Journal, Elsevier Press, Amsterdam, Netherlands, peer reviewed.


Numerous additional technical calculations and reports were also written to summarize DOE, Savannah River Site research and design projects.


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Stop pipe system problems that include: water main breaks, fluid flow problems, pump and compressor failures, controls, and explosions in pipelines / nuclear plants 

Troubleshooting, Research, Accident and Failure Analysis, and Design for Fluid Systems:

Fluid Flow, Water Hammer, Structures, Piping, Pumps, Instrumentation, and Vibrations

LEISHEAR ENGINEERING, LLC