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Two Phase Flow Demonstrator


Model Series: 2PHFD


Description: The 2-Phase Flow demonstration apparatus is a small scale flow loop that can demonstrate two-phase flow phenomena in pipes at a variety of liquid and gas flow rates. 2-phase flow occurs when a gas is flowing in a confined space (such as a pipe) with a liquid. The flow profile and geometry in this instance varies widely as a function of the liquid and gas material properties as well as the flow rates through the pipeline. Certain flow regimes can be destructive to facility piping, and should be avoided where possible. The destructive effects of these flow regimes can be managed through the use of various piping geometries. It is important that the process operator understand the basics of 2-phase flow in pipelines, especially as it pertains to the formation of the destructive slug flow regime.

The 2-Phase Flow Demonstrator uses air and water to create different flow regimes in the process piping. Air is supplied to the system by a low pressure blower, and water is supplied through a centrifugal pump. The air and water flow rates are continuously variable over a wide range of flow rates. This allows the operator to observe a wide range of two-phase flow regimes using this demonstrator. The demonstrator is mounted on a movable cart for ease of movement and storage.

Process Highlights:
  • Working fluids air and water
  • Low pressure, ambient temperature operation
  • Continuously variable air and water flow rates (hand operated valves)
  • Process fluid flow rate indication
    • Rotameter for the water stream
    • Averaging Pitot (dynamic pressure measurement) for the air stream
    • Alternative technologies available upon request
Equipment Specification Highlights:
  • Working fluids air and water
  • 3 Clear PVC process pipe runs
    • Horizontal pipe run
    • Horizontal pipe run with liquid trap
    • Vertical pipe run with gas lift or combined flow option
  • Centrifugal pump for water stream
  • Rotameter for water fluid flow rate indication
  • Regenerative air blower
  • Averaging Pitot (and differential pressure gauge) for air flow rate indication
  • Water storage tank
  • Complete unit mounted on a utility size cart for ease of movement and storage
  • Approximate overall dimensions – 80 x 60 x 120 cm high (32” x 24” x 48” high)
  • Available in all world voltages / frequencies (customer to specify electrical power available on-site)

Please click here for details of the Enhanced Two Phase Flow Demonstrator

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