OIL & PETROCHEMICAL SOLUTIONS

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Case studies

 

I am not aware of any other tool with which I could have obtained the required results in such a short time span. Part of the success must undoubtedly be attributed to the prompt and high level support provided by Flownex® International almost daily in answering all my questions and offering suggestions throughout this very technically challenging simulation. The support fee has been paid for with this one project!

Hannes van der Walt - Senior Thermal & Process Engineer - Gasco

 

 HEAT EXCHANGERS
  • Calculating heat transfer and pressure drop for various geometries: finned tube, shell and tube, tube-in-tube, plate heat exchangers.
  • Calculating the heating or cooling requirement for various processes: evaporation, condensation or temperature control.
  • Calculation of natural circulation evaporators’ recirculation rate.
  • Simulation of transient behavior for startup, shut-down or process upset conditions.
  • Calculation of temperatures and boiling pressure drop.
  • Calculation of metal temperature change rates during transients.

Heat exchanger

 

FIRE PROTECTION SYSTEMS

  • Pump, pipe and tank sizing.
  • Sizing of nozzles and orifices.
  • Flow balancing.

 

LIQUID HANDLING SYSTEMS

  • Calculation of pressure drop for gases or liquids.
  • Pump and pipeline sizing.
  • Pump performance adjustment for viscosity.
  • Sizing of control valves and orifices.
  • Design of liquid distribution systems.
  • Flow balancing in branching networks.
  • Analysis of transient events like pressure wave (water hammer/ surge) propagation.
  • Control philosophy development and testing using the built-in PLC function block diagrams.
  • Sizing of pressure safety valves.
  • Simulation of a valve failure event.
  • Calculation of heating or cooling requirements for various processes.
  • Heat loss/pickup calculations.
  • Insulation sizing.

 

DRILLING MUD PUMPING SYSTEMS FOR OIL WELLS

  • Calculation of Non-Newtonian fluid pressure drop.
  • Balancing of flow in branching pipe networks.
  • Assessment of pressure pulse transients.
STEAM SYSTEMS

BulletFEED WATER

  • Root cause analysis of pump NPSH problems.
  • Analysis of feed water heater tube breaks.
  • Cavitation/phase change detection.

BulletCOOLING WATER CIRCUITS

  • Flow balancing.
  • Pump and pipe sizing.
  • Energy optimization.
  • Heat load calculations.
  • Heat exchanger sizing.
  • Water reticulation system design.
  • Water hammer analysis and prevention.
  • Environment - cooling tower - plant matching

BulletNATURAL CIRCULATION BOILERS

  • Calculation of recirculation rate and steam production.
  • Prediction of dry out.

BulletSUPER HEATER AND MAIN STEAM PIPING

  • Calculation of metal temperatures and change rates.
  • Commissioning assistance.
  • Pipe sizing.

BulletSTEAM TURBINE & SUPPORTING SYSTEMS

  • Start-up and shutdown simulation.
  • Turbine trip control simulation.
  • Gland steam system analysis.
  • Lubrication system analysis.

BulletONCE-THROUGH BOILERS

  • Flow balancing.
  • Assessment of boiling stability.
  • Calculation of flow/boiling regimes.
  • Assessment of control.

 

Steam system