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secondary airflow

См. также в других словарях:

  • secondary fan airflow — That part of the airflow through a fan that does not pass through the engine core. This airflow is used for cooling the engine and in some cases for afterburning. See secondary air/airflow …   Aviation dictionary

  • secondary nozzle/exhaust nozzle — An annular nozzle surrounding the primary nozzle of a jet engine. A cooling airflow passes through the secondary nozzle. Separate secondary for fan flow and core engine flow …   Aviation dictionary

  • secondary stall — A stall that occurs during recovery from a preceding primary stall. This happens when an attempt is made to hasten the completion of stall recovery before the airflow over the aircraft has become fully laminar (i.e., before the aircraft has fully …   Aviation dictionary

  • secondary air/airflow — That portion of the compressor output air used to cool engine parts and combustion gases. See also primary air …   Aviation dictionary

  • tertiary airflow — The airflow meant for cooling and dilution purposes to achieve a uniform gas temperature across the combustion chamber exit plane. It passes through holes in a gas turbine flame tube or combustor downstream of secondary holes. See also primary… …   Aviation dictionary

  • Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… …   Wikipedia

  • Propelling nozzle — A propelling nozzle is a component of a jet engine that is found at the tail of the engine that operates to form an exhaust jet and to maximise the use of the exhaust gas s energy throughout the engine so that the maximum overall thrust is… …   Wikipedia

  • Turbojet — Turbojets are the oldest kind of general purpose jet engines. Two engineers, Frank Whittle in the United Kingdom and Hans von Ohain in Germany, developed the concept independently during the late 1930s, although credit for the first turbojet is… …   Wikipedia

  • turbofan — [tʉr′bō fan΄] n. 1. a fanlike turbojet engine designed to create additional thrust by diverting a secondary airflow around the combustion chamber: in full turbofan engine 2. a fan driven by a turbine …   English World dictionary

  • Carburetor — Bendix Technico (Stromberg) 1 barrel downdraft carburetor model BXUV 3, with nomenclature A carburetor (American spelling), carburettor, or carburetter (Commonwealth spelling) is a device that blends air and fuel for an internal combustion engine …   Wikipedia

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

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