TecQuipment Friction Loss In A Pipe – H7

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Description

The Friction Loss in a Pipe apparatus allows students to study the change in the laws of resistance for laminar to turbulent flow and find the critical Reynolds number. The apparatus shows the flow transition point from laminar to turbulent, and is ideal for demonstrations as well as student experiments.

The equipment is a small-bore, straight test pipe on a base plate. It works with TecQuipment’s Digital Hydraulic Benches (H1F, available separately).

Static pressure tappings upstream and downstream of the test pipe connect to a water manometer or a hand-held digital pressure meter (supplied). The back panel holds the manometer with calibrated scales. The water manometer measures lower differential pressures in the laminar and lower turbulent flow regions (just above the critical Reynolds Number). The pressure meter measures higher pressures in the turbulent flow region. The water manometer includes an air valve and hand-pump.

The hand-pump adjusts the datum of the water manometer where necessary. A precision needle valve downstream of the test pipe accurately controls flow rate.

To perform experiments, students stand the apparatus on the hydraulic bench and fit the Header Tank (supplied). For low flow rate experiments, the Header Tank supplies the test pipe. For higher flow rate experiments, the hydraulic bench supplies the test pipe directly. Students set the flow rate, measuring it by timing the collection of water in a measuring vessel (included).

Students take readings of temperature from a thermometer (supplied) and readings of head from the manometer or the pressure meter. They then use the results to produce charts to help compare actual results with theory.

Key features:

  • Directly measures friction loss in a smallbore test pipe
  • Investigates laminar and turbulent flow and the transition point
  • Shows the critical Reynolds Number and verifies Poiseuille’s Equation for laminar flow
  • Includes precision valve for precise flow control and a Header Tank for good laminar flow
  • Works with TecQuipment’s Hydraulic Bench for easy installation

Learning outcomes:

  • Measurement of the impact force on a flat plate and comparison with momentum change
  • Measurement of the impact force on a hemispherical plate and comparison with momentum change
  • Measurement of the impact force on an inclined flat plate (available separately) and comparison with momentum change
  • Measurement of the impact force on a conical plate (available separately) and comparison with momentum change

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