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近百年来,柴油机总是能适应改进性能和节约燃油的需要。但现在,为了进一步改进燃油经济性和其他节约能源措施,又到了重新评价它的时候了。本文依次地提出了通过涡轮复合柴油机、绝热柴油机、最小摩擦发动机以及增加一个附加循环来提高先进柴油机性能的前景。新材料和与其相应的工艺已为发动机技术开辟了一个崭新的领域,从而大大地增强了美国的能源实力。传统发动机必需采用新材料,其中包括能在高温下工作的合成润滑剂。看来,接近热力学空气标准循环的热效率是有可能的。最终的发展阶段将取决于它的优点和为适应将来的需要而要求的协调程度。
For nearly a hundred years, diesel engines have always been able to adapt to the needs of improving performance and saving fuel. But now, in order to further improve fuel economy and other energy-saving measures, it is time to reassess it. This paper presents, in turn, the prospect of improving the performance of advanced diesel engines with turbo compound diesel engines, adiabatic diesel engines, minimum friction engines and the addition of an additional cycle. New materials and their corresponding processes have opened up a whole new area of engine technology that has greatly enhanced the energy power in the United States. Traditional engines must use new materials, including synthetic lubricants that work at high temperatures. It appears that thermal efficiency close to the standard cycle of thermodynamic air is possible. The final stage of development will depend on its strengths and the degree of coordination required to meet future needs.