Propellants

Propellants are substances that provide thrust to vehicles or devices by undergoing combustion or a chemical reaction to generate gas. They are commonly used in various applications, including rocketry, spacecraft propulsion, and some types of engines. Propellants can be categorized into two main types: 1. **Liquid Propellants**: These consist of a fuel and an oxidizer that are stored in separate tanks and mixed in the combustion chamber.