自動車用燃料としてのモーターベンゾール
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概要
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It is obvious that motor benzol can be employed with good results for the motors of automobiles and aeroplanes. In England it has been used since 1907, and in Japan since 1920. The author has made detailed comparisons of it with gasoline on the following lines; - 1. Ease of starting. Though the two fuels differ in their latent heat, vaporisation pressure and boiling point, no perceptible difference is observed. 2. Calorific value. Per unit volume, gasoline excels benzol, yet when the specific gravity is taken into consideration, the former is superior to the latter. 3. Compression ratio. The compression ratio of gasoline is 4.85 and benzol 6.90, so that the latter can clearly be used more efficiently than the former. 4. Fuel consumption. From the above reasons, the consumption of benzol per unit run of a motor is smaller than gasoline. This conclusion will be further made plain from the table appearing at the end of this article. 5. Production and supply. This problem is far more important from the point of view of general use of motor fuel. Though the production of benzol at the present time is scanty, still if a better utilization of coal can be undertaken in the future, its production will surely increase enormously. As to price, the author has no available accurate data, but even if the price of the two fuels is assumed to be the same, benzol is the superior of gasoline. Finally, the author has some interesting results of actual running operations with the two fuels, which are tabulated herewith : - Test place. Consumption Litre/Mile. Ratio Imperial Iron Works (1921) : - Gasoline………………‥0.343 100 Benzol………………‥0.247 72 Anzan Iron Works (1926) : - Miles per gallon. Ratio. Gasoline………………‥1./12.2 2./14.8 1./100 2./100 Benzol………………‥17.8 22.8 121 128
- 一般社団法人日本エネルギー学会の論文