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COMPUTER SIMULATION OF OIL FREE OPERATION OF THE SINGLE SCREW COMPRESSOR.

Author(s) : CHAN C. Y., HASELDEN G. G.

Type of article: Periodical article

Summary

THE AUTHORS FIRST IDENTIFIED THE LEAKAGE PATHS BETWEEN ROTOR AND CASING AND BETWEEN ROTOR AND GATE-ROTOR FLUTES. EXPERIMENTS WERE THEN CONDUCTED ON A TEST RIG TO DETERMINE SUITABLE VALUES OF DISCHARGE COEFFICIENT FOR GASES AND LIQUIDS IN THE ORIFICE DISCHARGE EQUATIONS THAT IT WAS DECIDED TO USE FOR THESE SHORT PATH LEAKAGES. A COMPUTER PROGRAM WAS THEN SET UP TO SIMULATE LEAKAGE EFFECTS FOR CLEARANCES BETWEEN 0.05 AND 0.2 MILLIMETER IN A MACHINE OF TYPICAL ROTOR DIAMETER AND SPEEDS. THE RESULTS INDICATE THAT VAPOUR LEAKS ARE COMPARATIVELY SMALL IN A PRACTICAL CASE AND CONSIDERABLE IMPROVEMENT OVER CURRENT OIL INJECTED COMPRESSOR PERFORMANCE MIGHT BE ACHIEVED USING LIQUID REFRIGERANT INJECTION FOR COMPRESSOR COOLING. D.W.H.

Details

  • Original title: COMPUTER SIMULATION OF OIL FREE OPERATION OF THE SINGLE SCREW COMPRESSOR.
  • Record ID : 1985-0131
  • Languages: English
  • Source: Inst. Refrig., Adv. Proof - 7 p.; 7 fig.; 1 tabl.; 4 ref.
  • Publication date: 1984/02/02
  • Document available for consultation in the library of the IIR headquarters only.

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