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Turbofan engine database as a preliminary design tool

机译:涡轮风扇发动机数据库作为初步设计工具

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摘要

A large database of currently manufactured turbofan engines with a bypass ratio of at least 2.0 was compiled in 1996. Key parameters (dry weight, length, fan diameter, nacelle diameter, cruise thrust, air mass flow, bypass ratio, total pressure ratio, take-off specific fuel consumption, and cruise specific fuel consump- tion) were plotted, most as a function of take-off thrust. The resulting plots are a rich source of basic information, which can be used to quickly define an engine for use in a preliminary airplane design. The database is sorted by take-off thrust and can also be used to determine if an existing engine can be used in the proposed airplane. Relationships are suggested for use in preliminary design.
机译:1996年,建立了一个庞大的当前制造的涡轮风扇发动机数据库,其旁路比至少为2.0。关键参数(干重,长度,风扇直径,机舱直径,巡航推力,空气质量流量,旁路比,总压力比,绘制了起飞时的特定油耗和巡航时的特定油耗,大部分是起飞推力的函数。生成的图块是丰富的基础信息源,可用于快速定义用于初步飞机设计的发动机。该数据库按起飞推力排序,也可用于确定是否可以在建议的飞机中使用现有发动机。建议在初步设计中使用关系。

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