タービン船の燃料消費軽減策について

概要

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Affected by the remarkable development of the high-powered marine diesel engine, it has recently become a matter of great importance for the steam plant engineers to find the ways and means to improve, as much as possible, fuel rate of the marine steam turbine installation. In this brief paper, the authors in the first place describe several possible ways to affect the system as regards fuel economy and secondly show an example of heat balance calculation by applying several remarkable ways among them. Application of diesel engine as an auxiliary drive contributes greatly to the fuel saving especially in case that a certain consideration is given in such a way that the loss heat transmitted by cooling water and by exhaust gas is recovered to the cycle by feed water and main boiler respectively. The example of heat balance calculation, indicates that by applying higher steam temperature and diesel generator to the system, it is possible to obtain approximately ten per cent of fuel gain when compared with the current system and it is of great economy as regards operating cost even though increase in the first cost of machinery may have to be considered.
社団法人日本船舶海洋工学会の論文
1958-10-15