turboshaft engine

Japanese: turboshaft engine(英語表記)turboshaftengine
turboshaft engine

The thrust of the ramjet engine is much greater than that of the non-return valve, and the thrust and thermal efficiency of the non-return valve are not very high.
[Turboprop engine, turboshaft engine]
Both engines use the power generated by a gas turbine as shaft power, and their output per weight is more than twice that of a piston engine. In the case of a turboprop engine, thrust is obtained by driving a propeller with shaft power, and some thrust is also obtained from exhaust gas (Figure 5).

*Some of the terminology that refers to "turboshaft engine" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ラムジェットエンジンと異なり静止推力があるが,振動と騒音が大きく,逆止弁の耐久性も短く,大きさ当りの推力や熱効率もそう大きくないので,今日ではほとんど用いられない。
[ターボプロップエンジンturboprop engine,ターボシャフトエンジンturboshaft engine]
 いずれもガスタービンで発生した動力を軸動力として取り出すエンジンであり,重量当りの出力はピストンエンジンの2倍以上に達する。ターボプロップエンジンの場合,軸動力でプロペラを駆動して推力を得るとともに,一部の推力を排気ガスからも得ている(図5)。…

※「turboshaft engine」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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