- high bypass ratio
- високий ступінь двоконтурності
Англійсько-український словник авіаційних термінів / Уклад.: Р.О. Гільченко. - К.: НАУ. 2009.
high bypass ratio
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Bypass ratio — The term bypass ratio (BPR) relates to the design of turbofan engines, commonly used in aviation. It is defined as the ratio between the mass flow rate of air drawn in by the fan but bypassing the engine core to the mass flow rate passing through … Wikipedia
high-bypass turbofan — A turbofan engine with a bypass ratio of 4:1 or higher (i.e., four or more times as much air flows across the fan as across the core engine) … Aviation dictionary
high-bypass — An engine with a bypass ratio in the region of 15:1. These engines may be used for reverse thrust. This type of configuration is known as a cold reverse thrust as opposed to a hot reverse thrust, which is provided by hot exhaust gases … Aviation dictionary
very high bypass — An engine with a bypass ratio in the region of 15:1. These engines may be used for reverse thrust. This type of configuration is known as cold reverse thrust, as opposed to hot reverse thrust, which is provided by hot exhaust gases … Aviation dictionary
Bypass duct — A bypass duct is an annular passage that allows some of a turbofan s airflow to bypass the engine core, or gas generator. If the turbofan is unmixed, the bypass duct will terminate at the bypass nozzle. In mixed turbofans, the bypass duct leads… … Wikipedia
ultrahigh bypass — A bypass engine with a very high bypass ratio. Such engines are expected to have very low noise emission levels … Aviation dictionary
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