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1.前言第一次石油冲击以来,石油产品的价格猛涨,以轻油为例,现在的价格约为石油冲击以前的3倍。而且由于产油国政局的变化,原油的供应也受到威胁。在这种背景下,改善商用车的燃料经济性,已和改善汽车公害的问题一样,成为当前重要的课题了。原来从成本上看难以实用化的一些技术问题,现在看来,应该是重新评价的时候了。涡轮增压作为改善中型及大型商用车柴油机燃料经济性的一种手段,受到了重视,本文将就改善经济性的可能性加以探讨。
1. Introduction Since the first oil shock, the price of oil products soared, taking the example of light oil, which is now about three times the price of oil. And because of the changing political landscape in the oil-producing countries, the supply of crude oil is also threatened. In this context, improving the fuel economy of commercial vehicles has become as important as the issue of improving automobile pollution. Some of the technical problems that turned out to be difficult to put to practical use now seem to be time for reevaluation. As a means of improving the fuel economy of medium- and large-scale commercial vehicles, diesel turbocharging has received great attention and this article will discuss the possibility of improving economy.