Singer, Stanley Formerly, ATHENEX Research Associates, Pasadena, California.
Ritchey, H. W. Formerly, Thiokol Chemical Corporation, Ogden, Utah.
- Liquid Propellants
- Solid Propellants
- Burning rate
- Related Primary Literature
- Additional Reading
Usually, a combustible substance that produces heat and supplies ejection particles, as in a rocket engine. A propellant is both a source of energy and a working substance; a fuel is chiefly a source of energy, and a working substance is chiefly a means for expending energy. Because the distinction is more decisive in rocket engines, the term propellant is used primarily to describe chemicals carried by rockets for propulsive purposes. See also: Aircraft fuel; Thermodynamic cycle
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