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

Piping failures

  • Vibration causes of machinery failures identified and corrected.
  • Rotational and reciprocating machinery.
  • Pumps, compressors, motors, and fans.
  • Piping vibrations.

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.

FLUID FLOW AND MIXING

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

Vibration Analysis

PUMP APPLICATIONS

LEISHEAR ENGINEERING, LLC

company Services

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

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

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

Click topics to view other pages.

  • Initial pump selection and system design. 
  • Troubleshooting of installed pumps and compressors.
  • Centrifugal, radial, metering, jet, and positive displacement pumps.
  • VFD controls.
  • Failure analysis, calculations, prevention, and corrective actions.
  • Piping system structural design.
  • Piping fatigue failures.
  • Corrosion.
  • Pipeline explosions.
  • Pipeline ruptures.
  • ​Water main breaks.

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

Consulting Engineer, ASME Fellow