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本文主要叙述以下几个问题: 1.现代运载工具已进入宇宙飞船、人造卫星和航天飞机的时代,活塞式内燃机(本文主要指柴油机)作为动力机械已受到严峻挑战,但就目前而言,活塞式内燃机不仅不能被淘汰,而且还要继续发展。发明内燃机并投入使用至今,已有一百年左右的历史了。这项发明对人类和社会的贡献是相当突出的,用不着进行跨世纪的回顾,就近半个世纪而论,可以想象到,如果陆地交通、邮运、空航、水上和水下运载、
This paper describes the following issues: 1. Modern vehicles have entered the spacecraft, satellites and spacecraft era, piston internal combustion engine (mainly refers to the diesel engine) as a power machinery has been severely challenged, but for now, the piston Internal combustion engine not only can not be eliminated, but also continue to develop. The invention of internal combustion engine and put into use so far, about a hundred years of history. The invention of human and social contribution is quite prominent, do not need to carry out a cross-century review of nearly half a century, it is conceivable that if the land transport, shipping, air, water and underwater transport,