specific reaction velocity

См. также в других словарях:

• Specific impulse — (usually abbreviated I sp) is a way to describe the efficiency of rocket and jet engines. It represents the impulse (change in momentum) per unit of propellant. The higher the specific impulse, the less propellant is needed to gain a given amount …   Wikipedia

• Reaction engine — A reaction engine is an engine which provides propulsion by expelling reaction mass, in accordance with Newton s third law of motion. This law of motion is most commonly paraphrased as: For every action force there is an equal, but opposite,… …   Wikipedia

• velocity — /veuh los i tee/, n., pl. velocities. 1. rapidity of motion or operation; swiftness; speed: a high wind velocity. 2. Mech. the time rate of change of position of a body in a specified direction. 3. the rate of speed with which something happens;… …   Universalium

• Reaction Engines A2 — infobox Aircraft subtemplate = name = A2 caption = Artist s concept of the Reaction Engines A2 type = Hypersonic Airliner designer = Reaction Engines Limited manufacturer = Unknown status = Under design study first flight = produced = primary… …   Wikipedia

• Reaction control system — A reaction control system, abbreviated RCS, is a subsystem of a spacecraft. Its purpose is attitude control and steering. An RCS system is capable of providing small amounts of thrust in any desired direction or combination of directions. An RCS… …   Wikipedia

• oxidation–reduction reaction — ▪ chemical reaction Introduction also called  redox reaction        any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …   Universalium

• SN2 reaction — The SN2 reaction (also known as bimolecular nucleophilic substitution) is a type of nucleophilic substitution, where a lone pair from a nucleophile attacks an electron deficient electrophilic center and bonds to it, expelling another group called …   Wikipedia

• Height-velocity diagram — The Height Velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter. As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is… …   Wikipedia

• Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …   Wikipedia

• protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …   Universalium

• catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… …   Universalium