C1MKIII ÖSSZENYOMHATÓ ÁRAMLÁS EGYSÉG

Cikkszám: C1MKIII

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SPECIFIKÁCIÓK

• Asztalra szerelhető egység, az összenyomható áramlás alapjait hivatott demonstrálni mérnök tanulók számára

• Tartozék a convergens-divergens csõ, amellyel Mach-1 sebesség érhetõ el a torknál.

• Haladó nyomás- vektor sebesség szabályozás, elektromos nyomásmérõvel.

• Négy elektromos nyomás szenzor

• Átlátszó akril teszt szakasz.

• Kiegészítõ tesztszakaszok kaphatóak.

• Kompresszor és teszt szakasz kiegészítõ

• Adatrögzítõ és szoftver kiegészítõ

KÍSÉRLETI LEHETŐSÉGEK

Basic unit (C1-MkIII):
•Phenomenon of choking in a convergent-divergent duct
•Pressure flow characteristic of a convergent-divergent duct
•Effect of compressibility on flow equations
•Determination of gamma for air

Added capability with C1-MkIII-30 accessory:
•Simple pipe friction
•Variation of friction coefficient with Reynolds number
•Friction coefficient for compressible flow
•Pressure recovery across a sudden enlargement
•Pressure drop across a pipeline orifice
•Pressure drop across a 90° bend

Added capability with C1-MkIII-35 accessory:
•Centrifugal compressor performance characteristics
•Energy balance for compressor

KIEGÉSZÍTŐK

C1-MkIII-30 Additional Test Sections

The C1-MkIII-30 option includes additional inlet test sections for further demonstrations and investigations into compressible flow. The test sections are made from clear acrylic to aid visualisation and fitted with pressure-sensing ring tappings. This accessory includes a bench stand to house all the accessories (plus the standard test section and the C1-MkIII-35 test section) when these are not being used.

- egyszerû csõsurlódás

- súrlódás Reynolds szám összefüggése

- súrlódási koefficiens összenyomható áramlás esetén

- nyomás változás hirtelen tágulásnál

- nyomásesés szûkületnél

- nyomásváltozás könyöknél.

Additional sections provided:

•Three straight ducts of different diameters, to allow pressure losses incurred in a straight pipe to be studied in relation to Reynolds number.

•A sudden enlargement section

•A 34mm nominal bore test section with four interchangeable orifice plates.

•A 90° bend test section. Provision is made to investigate the radial pressure difference across the bend

C1-MKIII-35 Compressor Test Accessory

The C1-MkIII-35 option comprises a test section to measure the air flow entering the compressor. This facility, in conjunction with the electronic torque measurement and thermometers on the basic C1-MkIII, allows full compressor performance tests to be conducted over a wide range of shaft speeds.

- Centrifugál kompresszor karakterisztika

- Energia egyensúly

• Lower speed operation
• Integral motor with direct drive
• Reduced operating noise
• Reduced vibration levels
  

DESCRIPTION

The C1-MkIII equipment comprises a single-stage air compressor, complete with a test section and a throttling valve, plus an electronics console containing the necessary controls and instrumentation.

The single-stage compressor is driven by an integral three-phase AC motor. The compressor speed can be varied using an advanced torque-vector frequency inverter, which gives stable and accurate speed control plus direct electronic read-out of the torque produced by the motor. The compressor is fitted with an outlet duct incorporating a throttling valve, which allows the flow to be varied independent from compressor speed.

Convergent-divergent test section

The equipment is supplied with a convergent-divergent test section, fitted at the compressor inlet, designed to produce Mach-1 velocity at the throat. The duct is fabricated from clear acrylic, enabling the student to see the construction and the profiles. A pressure-sensing ring tapping is provided at the inlet, at the throat and at the discharge end of the diffuser. This duct allows all the major concepts of compressible flow to be demonstrated.

The electronics console includes two high-range and two low-range differential pressure sensors plus a control for motor speed and displays for the compressor speed, the pressures and the motor torque.

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