combustion characteristic

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• Characteristic velocity — or c * is a measure of the combustion performance of a rocket engine independent of nozzle performance, and is used to compare different propellants and propulsion systems. Formula c * is the characteristic velocity (meters/second) p1 is the… …   Wikipedia

• Combustion — This article is about the process of burning. For combustion without external ignition, see spontaneous combustion. For the engine used in mobile propulsion, see internal combustion engine. For the visible part of a fire, see flame. Burning… …   Wikipedia

• characteristic velocity — Aerospace. 1. a measure of the effectiveness with which the combustion in a rocket engine produces high temperature and pressure, equal to the exhaust velocity divided by the thrust coefficient. 2. the total of all velocities a space vehicle must …   Universalium

• characteristic velocity — Aerospace. 1. a measure of the effectiveness with which the combustion in a rocket engine produces high temperature and pressure, equal to the exhaust velocity divided by the thrust coefficient. 2. the total of all velocities a space vehicle must …   Useful english dictionary

• Heat of combustion — The heat of combustion (ΔHc0) is the energy released as heat when a compound undergoes complete combustion with oxygen under standard conditions. The chemical reaction is typically a hydrocarbon reacting with oxygen to form carbon dioxide, water… …   Wikipedia

• Spontaneous combustion — is a type of combustion which occurs without an external ignition source. How spontaneous combustion occurs # A substance with a relatively low ignition temperature begins to release heat, which may occur in several ways, such as oxidation or… …   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

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …   Wikipedia

• Spark plug — A spark plug (also, very rarely nowadays, in British English: a sparking plug) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.… …   Wikipedia

• chemical compound — Introduction  any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element).       All the matter in the universe is composed of the atoms of more than 100 different chemical elements …   Universalium