Propellant
Propellant
Propellant (/prəˈpɛlənt/), derived from the Latin word "propellere" meaning "to drive forward", is a type of substance used in creating a force to move an object. Propellants are commonly used in fields such as aerospace engineering, chemistry, and pharmaceuticals.
Usage
In aerospace, propellants are used in rockets and jet engines to create a thrust force. The propellant is burned, and the resulting high-pressure and high-temperature gases are directed through a nozzle to produce thrust.
In pharmaceuticals, propellants are used in inhalers to deliver medication to the lungs. The propellant helps to atomize the medication, carry it in the correct dosage, and direct it to the lungs.
Types of Propellants
Propellants can be classified into two main types: solid propellants and liquid propellants.
Solid propellants are used in solid rockets. They have the fuel and oxidizer mixed together into a solid composite.
Liquid propellants are used in liquid rockets. They have the fuel and oxidizer stored separately and are combined in a combustion chamber to create thrust.
Related Terms
External links
- Medical encyclopedia article on Propellant
- Wikipedia's article - Propellant
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