-
1 diffuser area ratio
-
2 diffuser area ratio
соотношение площадей выходного и входного сечения диффузора ( ПВРД), степень уширения [расширения] диффузораEnglsh-Russian aviation and space dictionary > diffuser area ratio
-
3 area ratio of diffuser
Космонавтика: степень расширения диффузораУниверсальный англо-русский словарь > area ratio of diffuser
-
4 ratio
отношение, соотношение, пропорция; степень; коэффициент, см. тж. coefficient; передаточное число [отношение]all-out level/stalling speed ratio — относительный диапазон скоростей полёта (отношение максимальной скорости горизонтального полёта к скорости сваливания)
base(-altltude, -height) ratio — отношение величины базиса фотографирования к высоте
burning (surface)-to-throat (area) ratio — отношение поверхности горения к площади критического сечения сопла (в РДТТ)
chamber volume-to-throat area ratio — приведенная [характеристическая] длина камеры сгорания
envelope-bulk to weight ratio — отношение объёма, занимаемого двигателем, к его сухому весу
lift-(over, to-)drag ratio — аэродинамическое качество
main rotor/engine r.p.m. ratio — степень редукции между двигателем, и несущим винтом, соотношение чисел оборотов несущего винта и вала двигателя
maintenance (man hours)-to-flight (hours) ratio — соотношение объёма работ по наземному обслуживанию (в человеко-часах) и налёта
mixing ratio of moist air — метео. влагосодержаиие
port(-to-)throat ratio — относительная свободная площадь (отношение свободной площади к площади критического сечения сопла)
ratio of specific heats — отношение удельных теплоёмкостей, показатель адиабаты
stoichiometric (equivalence, mixture) ratio — стехиометрическое соотношение компонентов топлива, стехиометрический коэффициент состава топлива
— - to-thrust ratio
См. также в других словарях:
diffuser area ratio — The ratio of the outlet to the inlet cross sectional area of a diffuser … Aviation dictionary
Compact wind acceleration turbine — Compact Wind Acceleration Turbines (CWATs) are a class of wind turbine that uses structures to accelerate wind before it enters the wind generating element.[1] The concept of these structures has been around for decades [2] but has not gained… … Wikipedia
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
Rocket Engine Test Facility — Infobox nrhp name =Rocket Engine Test Facility nrhp type = nhl caption = 1982 photograph location= Lewis Research Center, Cleveland, Ohio locmapin = Ohio area = built =1957 architect= National Advisory Committee for Aeronautics (NACA)… … Wikipedia
Centrifugal compressor — Centrifugal compressors, sometimes termed radial compressors, are a sub class of dynamic axisymmetric work absorbing turbomachinery.[1] Centrifugal impeller with a highly polished surface likely to improve performance … Wikipedia
Downforce — Three different styles of front wings from three different Formula One eras, all designed to produce downforce at the front end of the respective race cars. Top to bottom: Ferrari 312 (1979), Lotus 79 (1978), McLaren MP4 10 (1995) Downforce is a… … Wikipedia
Combustor — Flame stabilized by cyclone. A combustor is a component or area of a gas turbine, ramjet, or scramjet engine where combustion takes place. It is also known as a burner, combustion chamber or flame holder. In a gas turbine engine, the combustor or … Wikipedia
Airbreathing jet engine — An airbreathing jet engine (or ducted jet engine) is a jet engine propelled by a jet of hot exhaust gases formed from air that is drawn into the engine via an inlet duct. All practical airbreathing jet engines are internal combustion engines that … Wikipedia
Sugar beet — Taxobox name = Sugar beet image width = 270px image caption = Two sugar beets the one on the left has been selectively bred to be smoother than the traditional beet, so that it traps less soil. regnum = Plantae divisio = Magnoliophyta classis =… … Wikipedia
Gas compressor — A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are… … Wikipedia
Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the … Wikipedia