Rocket fuel | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-05-17

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Rocket_propellant


00:01:04 1 Overview
00:05:30 2 History
00:05:55 3 Chemical propellants
00:06:20 3.1 Solid propellants
00:06:29 3.1.1 Description
00:09:28 3.1.2 Advantages
00:11:08 3.1.3 Disadvantages
00:13:10 3.2 Liquid propellants
00:13:19 3.2.1 Current types
00:15:23 3.2.2 Historical propellants
00:16:05 3.2.3 Advantages
00:17:57 3.2.4 Disadvantages
00:19:00 3.3 Gas propellants
00:19:34 3.4 Hybrid propellants
00:24:47 3.5 Gel propellant
00:25:12 4 Inert propellants
00:26:36 5 Mixture ratio
00:31:27 6 Propellant density
00:34:05 7 See also



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SUMMARY
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Rocket propellant is a material used either directly by a rocket as the reaction mass (propulsive mass), or indirectly to produce the reaction mass in a chemical reaction. The reaction mass is that which is ejected, typically with very high speed, from a rocket engine to produce thrust.
There are a number of different kinds of propellant: chemical rockets use propellants capable of undergoing exothermic chemical reactions, which provide the energy to accelerate the resulting gases through the nozzle.  Thermal rockets instead use inert propellants of low molecular weight that are chemically compatible with the heating mechanism at high temperatures, while cold gas thrusters use pressurized, easily stored inert gases. Electric propulsion requires propellants that are easily ionized or made into plasma. In the extreme case of nuclear pulse propulsion, the (proposed) propellant consists of many small non-weapon nuclear explosives; with the resulting shock wave propelling the rocket.