• Failure analysis, calculations, prevention, and corrective actions.
  • Piping system structural design.
  • Piping fatigue failures.
  • Corrosion.
  • Pipeline explosions.
  • Pipeline ruptures.
  • ​Water main breaks.



water hammer

  • ​Analysis, computer modeling, and testing.
  • Pipe system fluid flow design.
  • Steam, air, gases, liquids, and two phase flow.
  • Mixing problems. 
  • Valve selection and system control.
  • Instrumentation.
  • Vibration causes of machinery failures identified and corrected.
  • Rotational and reciprocating machinery.
  • Pumps, compressors, motors, and fans.
  • Piping vibrations.

Vibration Analysis

  • Fluid transients in new or existing piping systems. 
  • Evaluations,   Calculations, and Corrective actions.
  • Pump startup.
  • Pump shutdown.
  • Valve operations.

See below for "Company Services", and see other pages for example accomplishments and skills.

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

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



Click topics to view other pages.

Robert A. Leishear, Ph.D, P.E., PMP

Consulting Engineer, ASME Fellow, Journeyman Sheet Metal Mechanic, Welder, Machinery Electrician

​NACE Senior Corrosion Technologist, NACE Senior Internal Corrosion Technologist

company Services

  • Initial pump selection and system design. 
  • Troubleshooting of installed pumps and compressors.
  • Centrifugal, radial, metering, jet, and positive displacement pumps.
  • VFD controls.

Stop pipe system problems that include: water main breaks, fluid flow problems, pump and compressor failures, controls, and pipeline explosions