FMDU 유량계 데모 장치

FLOW METERS DEMONSTRATION UNIT - FMDU

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The Flow Meters Demonstration Unit, "FMDU", designed by EDIBON demonstrates the important characteristics of fifteen types of flow meters used in the measurement of water flow through pipes or open channels.

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The Flow Meters Demonstration Unit, "FMDU", designed by EDIBON demonstrates the important characteristics of fifteen types of flow meters used in the measurement of water flow through pipes or open channels.

The main elements are a service module (Hydraulics Bench), flow meters and flow meters support structure.

A centrifugal pump draws water from the sump tank in the Hydraulics Bench and delivers it to a flow meter test pipe. Flow meters mounted in pipes can be fitted into the unit test zone quickly and easily. These meters give a variety of different measuring principles and degrees of accuracy.

By using a water manometer or two Bourdon type manometers the pressure drop across each of the flow meter can be measured. Valves ensure rapid bleeding of all manometer pipework.

A channel (FMDU-15) accommodates the Broad Crested Weir (FMDU-11) , the Crump Weir (FMDU-12) and the Sharp Crested Weirs (FMDU-18), also the "H" Flume (FMDU-13) and Washington Flume (FMDU-14). By using the Hook and Point Gauge (FMDU-17) the levels in the channel can be determined.

Water discharging from the flow meter on test is collected in the volumetric tank (in the Hydraulics Bench) where the flow may be determined absolutely. This tank is stepped to accommodate low or high flow rates and incorporates a stilling baffle to reduce turbulence. A level tube with a scale shows the water level. Water is returned to the sump tank by a dump valve.

연습 및 가이드

매뉴얼에 포함 된 가이드 실기 연습

  1. To demonstrate the important characteristics of fifteen types of flow meters used in the measurement of water flow through pipes or open channels.
  2. Comparing the use, application and limitations of different types of flow meters.
  3. To study the application of Bernoulli’s Theorem.
  4. Understanding the principles on which various types of flow meters are based.
  5. Implications of performance, convenience, accuracy, head loss, etc., on flow meters selection.
  6. Effect of the air in the hydraulic stream on flow meter performance.
  7. To use manometers to measure pressure drop.
  8. Relating pressure drop across a flow meter to flow rate.
  9. Measure error determination using the venturimeter.
  10. Factor Cd determination in the venturi.
  11. Strangulation determination in the venturi.
  12. Measure error determination using the orifice plate.
  13. Factor Cd determination in the orifice plate.
  14. Effective area determination in the orifice plate.
  15. Measure error determination using the Pitot tube.
  16. Factor Cd determination in the Pitot tube.
  17. Measure error using the swinging flap meter.
  18. Measure error using the rotary piston meter.
  19. Measure error using the shunt gap meter.
  20. Energy loss comparison in the different meters.
  21. Measure error using the helical rotary type flow meter.
  22. Measure error using the inferential multi stream type flow meter.
  23. Broad crested weir.
  24. Crump weir.
  25. "H" flume.
  26. Washington flume.

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