The effect of changes in compression ratio upon engine performance (1925)
NASA Technical Reports Server (NTRS) · leaf 19
ratio 51.1 per cent. Hence the lower ratio should give 17.5 per cent more indicated power with an efficiency on the basis of indicated power 5.8 per cent less. This figure, (fig. 25) presents only the major conditions governing detonation. Size and shape of combustion chamber, location and number… … Volumefric efficiency, X of calculation or experiment is necessary to deter- -Compression ratio, j^^Displacement + clearance Fio. 25.- mine whether or not an increase in brake thermal Clearance Air cycle efficiency, Compression pressure, Pi=Pil0^f. efficiency will result from an increase in…
NASA Technical Reports Server (NTRS)
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