propulsante
Propulsante is a term used in the field of aerospace engineering to describe any substance or energy source that provides the thrust necessary to propel a vehicle through a medium, typically air or space. The choice of propulsante depends on the specific requirements of the mission, including the desired velocity, altitude, and duration of flight. Common types of propulsantes include chemical propellants, which use the combustion of chemical fuels to produce thrust, and electric propellants, which use electrical energy to ionize and accelerate propellant particles. Other advanced propulsantes under development include nuclear propulsion, which uses nuclear reactions to generate thrust, and solar sails, which harness the momentum of photons from the sun to propel a spacecraft. The selection of a propulsante is crucial in determining the performance, efficiency, and range of an aerospace vehicle, making it a critical consideration in the design and operation of space missions.