A COAL-FIRED OPTION FOR FEEDER VESSELS

The Author <of Hong Kong Polytechnic> discusses a design for a 3000-dwt bulk carrier, for shuttle or feeder service in the Far East, whose main engine is a reciprocating steam engine served by two coal- fired boilers, and compares the vessel's economic performance with that of a 3000-dwt feeder vessel having two Diesel main engines <2 x 540 kW at 800 rpm>. The coal-fired design would have a steam production, from each boiler, of 5500 kg per hr at 25 bars, 330 degC; the engine is a six-cylinder double-acting Spilling of 1000kW output, with continuous speed control in the 150 to 900 rpm range, and drives a f.p. propeller through a flexible coupling, clutch and reduction gearing. The article describes this steam plant and associated equipment, all of which is of well-proven design, and includes drawings of the boiler and bunker arrangements and of the engine itself. The economic comparison (in which the capital costs assume two W. German-built coal-fired vessels and two Japanese-built motor- ships> is discussed and shown in graphs which indicate inter alia that the coal-fired ship would give significantly higher net profits over the 11-year life cycle considered. It is concluded that the potential for coal-fired vessels in the Far East is considerable, and that any country with coal reserves should seriously examine the "coal-fired option".

  • Supplemental Notes:
    • Mar. Eng. Rev., 1983, p.22 <Feb.> (2 pp., 1 tab., 1 graph, 3 diag)
  • Authors:
    • TAYLOR, D A
  • Publication Date: 1983

Language

  • English

Subject/Index Terms

  • Subject Areas: Marine Transportation;

Filing Info

  • Accession Number: 00684369
  • Record Type: Publication
  • Source Agency: British Maritime Technology
  • Files: TRIS
  • Created Date: Aug 14 1995 12:00AM