optimum expansion ratio

См. также в других словарях:

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• Rocket engine nozzle — A rocket engine nozzle is a propelling nozzle usually of the de Laval type used in a rocket engine to expand and accelerate the combustion gases, from burning propellants, so that the exhaust gases exit the nozzle at hypersonic… …   Wikipedia

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• Tesla turbine — The Tesla turbine is a bladeless centrifugal flow turbine expander patented by Nikola Tesla in 1913. It is referred to as a bladeless turbine because it uses the boundary layer effect and not a fluid impinging upon the blades as in a conventional …   Wikipedia

• S-520 — is the designation of a Japanese sounding rocket. The S 520 is a powerful single stage rocket which is optionally equipped with three axis attitude control and a recovery system. It has a capability for launching a 100 kg payload far above 300 km …   Wikipedia

• Toyota Alphard — Infobox Automobile name = Toyota Alphard [ Automobil Revue , catalogue edition 2007, p. 490.] manufacturer = Toyota production = 2002 present successor = class = Large MPV body style = 4 or 5 door MPV engine =2.4 l 2AZ FE 160 HP 3.0 l 1MZ FE 220… …   Wikipedia