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KO50001004-00080029-0001.pdf
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Title |
Title |
Derivation of formula for the altitude performance characteristics of aviation piston engine fitted with mechanically driven supercharger
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渡部, 一郎
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Kana |
ワタナベ, イチロウ
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Romanization |
Watanabe, Ichiro
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Professor at Keio University
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Name |
渡辺, 剛男
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Kana |
ワタナベ, タケオ
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Romanization |
Watanabe, Takeo
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Affiliation |
Assistant at Keio University
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Name |
安藤, 亨
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Kana |
アンドウ, トオル
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Romanization |
Ando, Toru
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Affiliation |
Assistant at Keio University
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Name |
慶應義塾大学藤原記念工学部
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Kana |
ケイオウ ギジュク ダイガク フジワラ キネン コウガクブ
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Romanization |
Keio gijuku daigaku Fujiwara kinen kogakubu
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Date |
Issued (from:yyyy) |
1955
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Physical description |
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Proceedings of the Fujihara Memorial Faculty of Engineering Keio University
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Volume |
8
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Issue |
29
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Year |
1955
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Start page |
31(1)
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End page |
48(18)
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Abstract |
It is a general practice for the aviation piston engines, to estimate the brake horsepower at high altitudes, by making a correction to the brake horsepower measured under the test condition, in which the intake pressure alone is kept to the pressure corresponding to the specified altitude, while the temperature of the entering air as well as the back pressure are left to those of the surrounding atmosphere. Various correction formulae have hitherto been published, but the results by them show some discrepancies.
The present authors propose, in this paper, a new formula. This formula serves, not only for the correction of the brake horsepower in the abovementioned test condition, but also for the evaluation of the altitude performance curves for the whole range of altitudes. The comparison of the results by the present formula with the results by hitherto published theoretical considerations and practical data confirm us that the present formula is of practical use.
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Departmental Bulletin Paper
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