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TITANIUM COOLING COILS FOR SURFACE SHIP APPLICATION.

Author(s) : BROWN D. A., BAE Y. L.

Type of article: Article

Summary

EARLIER COPPER-NICKEL SEA-WATER COILS HAD SUFFERED NUMEROUS RELIABILITY PROBLEMS DUE TO FOULING, CORROSION AND EROSION AND THUS WERE REMOVED FROM SHIP USE. ADVANCED PLATE-FIN AND INTEGRAL FIN COOLING DESIGNS WERE EVALUATED AS A MEANS OF IMPROVING RELIABILITY AND THERMAL PERFORMANCE OF THE PREVIOUS COILS. MATHEMATICAL MODELS WERE DEVELOPED TO ANALYSE THE EFFECTS OF: 1) SEA WATER AND AIR TEMPERATURE; 2) SEA WATER AND AIR FLOW RATES; AND 3) COIL MATERIAL ON THERMAL PERFORMANCE. UNIQUE FABRICATION TECHNIQUES WERE ASSESSED FOR BOTH COILS TO ALLOW FABRICATION USING TITANIUM IN PLACE OF COPPER-NICKEL FOR ALL SEAWATER-WETTED COMPONENTS. RESULTS SHOWED THAT BOTH COOLING COIL DESIGNS CAN SATISFACTORILY HANDLE COOLING REQUIREMENTS OF MACHINERY SPACES WITHOUT THE NEED FOR LARGE INCREASES IN AIR CONDITIONING CAPACITY.

Details

  • Original title: TITANIUM COOLING COILS FOR SURFACE SHIP APPLICATION.
  • Record ID : 1991-0864
  • Languages: English
  • Source: Nav. Eng. J. - vol. 102
  • Publication date: 1990/05

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