- bypass fan
- Авиация: вентилятор второго контура
Универсальный англо-русский словарь. Академик.ру. 2011.
bypass fan
Смотреть что такое "bypass fan" в других словарях:
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
fan-jet — A type of gas turbine engine that has a fan or a set of lengthened blades either on a low pressure compressor or on a low pressure turbine. The term also applies to a less common arrangement that has the fan at the rear of the engine, with the… … Aviation dictionary
fan — i. A combination of three or more cameras that provides wide lateral coverage with adequate overlap. See fan camera photography. ii. The rotor in the beginning of a turbofan engine. iii. A propeller, especially when the emphasis is upon its… … Aviation dictionary
bypass duct — A cold stream duct. The air from the fan that flows outside the combustion chamber and helps cool it as well as the exhaust duct. Also called an exhaust duct on a turbofan engine. See bypass engine … Aviation dictionary
ducted-fan engine — An aircraft engine incorporating a fan or propeller enclosed in a duct, especially a jet engine in which an enclosed fan or propellant is used to ingest ambient air to augment the gases of combustion in the jet stream. The air may be taken in at… … Aviation dictionary
medium-bypass engine — A turbofan engine with a bypass ratio between 2:1 and 4:1. A bypass ratio is the ratio of air handled by the fan to the air handled by the core engine. Also called a moderatic bypass … Aviation dictionary
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
Pratt & Whitney JT8D — The Pratt Whitney JT8D is a low bypass (0.96 to 1) turbofan jet engine, introduced by Pratt Whitney in February 1964 with the inaugural flight of Boeing s 727. It was a modification of the Pratt Whitney J52 turbojet engine, which powered the US… … Wikipedia
Pulse detonation engine — A pulse detonation engine, or PDE , is a type of propulsion system that can operate from subsonic up to hypersonic speeds. In theory the PDE design can produce an engine with a burn efficiency higher than other designs, with considerably fewer… … Wikipedia
Ornithopter — Cybird radio controlled ornithopter Pa … Wikipedia
Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… … Wikipedia
