NDLI: The effect of compression ratio on knock limits of high-performance fuels in a cfr engine ii : blends of 2,2,3-trimethylpentane with 28-r

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The effect of compression ratio on knock limits of high-performance fuels in a cfr engine ii : blends of 2,2,3-trimethylpentane with 28-r

Content Provider	NASA Technical Reports Server (NTRS)
Copyright Year	1945
Description	The knock-limited performance of blends of 0,50; and 100 percent by volume of 2,2,3-trimethylpentane in 28-R fuel determined with a modified F-4 engine at three sets of conditions varying from severe to mild at each of three compression ratios (6.0, 8.0, and 10.0). A comparison of the knock-limited performance of 2,2,3-trimethylpentane with that of triptane (2,2,3-trimethylbutane) is included. The knock-Limited performance of 2,2,3-trimethylpontane was usually more sensitive to either compression ratio or inlet-air temperature than 28-R fuel, but the ratio of the knock-limited indicated mean effective pressure of a given blend containing 2,2,3-trimethypentane and 28-R to the indicated mean effective pressure of 28-R alone was not greatly affected by compression ratio if the engine operating conditions were mild. Although 2,2,3-trimethylpentane in general had a lower knock-limited performance than triptane, the characteristics of the two fuels were somewhat similar.
File Size	1220712
Page Count	36
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930093586
Archival Resource Key	ark:/13960/t3zs72s1h
Language	English
Publisher Date	1945-01-01
Access Restriction	Open
Subject Keyword	Fuels, Antiknock Fuels - Triptane Engines, Test - Waukesha Crf Engines - Compression Ratio Fuels - Gasoline - 28-r Fuels - Dimethylpentane Committees - Naca - Subcom On Aircraft Fuels & Lubricants (amer ) Engines - Performance Effect OF Antiknock Fuels Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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