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An olympic fast track.

Type of article: Article

Summary

The luge and bobsleigh track for the Olympic sports at Lillehammer, Norway, is built in 32 discreet concrete sections, each supported centrally and able to expand and contract longitudinally. They are cooled for an ice surface by an ammonia pump circulation evaporator running in a trench down the length of the run. The refrigeration requirements vary along the length and are monitored and controlled at 80 points. Four ammonia compressors serve the system. Ammonia detectors are positioned along the run in case of leaks, and the plant room has a mechanical ventilation system. Monitoring and control is computerised and provides continual visual indication via on-screen graphics. For optimum track conditions, ice must be at about -8 deg C. The concrete of the track is painted white to reflect solar gains and white sun shields can be unscrolled over sunny parts of the track as direct sunshine can add up to 1400 watts per m2. D.W.H.

Details

  • Original title: An olympic fast track.
  • Record ID : 1994-3875
  • Languages: English
  • Publication date: 1994/01
  • Source: Source: Refrig. Air Cond.
    vol. 97; n. 1150; 18-19; 1 fig.; 4 phot.
  • Document available for consultation in the library of the IIR headquarters only.

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