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A resistojet thruster is a kind of rocket engine that warms a resistive element with electricity before heating a propellant to produce thrust. The propellant is normally a gas, such as hydrogen or ammonia, and the resistive element is typically comprised of a high-temperature material, such as tungsten or graphite.
The resistojet thruster operates on the same fundamental tenet as a traditional rocket engine, generating thrust by expelling mass in the opposing direction of the desired motion.
However, a resistojet thruster uses electricity to create heat, which is then passed to the propellant to produce thrust, as opposed to a normal rocket engine, which produces thrust through chemical processes.
Resistojet thrusters have the benefit of being able to run continuously because they are not dependent on a limited supply of chemical propellant. They are therefore ideal for use in spacecraft propulsion systems that need long-lasting thrust.
Yet compared to chemical rockets, resistojet thrusters are often less effective, requiring more electrical power to generate the same amount of force. As a result, they are frequently utilised in situations like attitude control or minor course corrections, where efficiency is not the main priority.
Global Resistojet Thruster market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
A low-pressure propulsion device with a scalable water tank, a redundant flow control system, and a fail-safe valve is called Pale Blue’s Water Resistojet Thruster Model thrusters will be delivered by the business and they will be launched by SLS and Falcon-9 rockets.
Aurora launched its satellite into Low Earth Orbit in a demonstration of the company’s resistojet thrusters and plasma brakes that enable effective propulsion and deorbiting capabilities for small satellites.
Resistojet technology has been given a creative twist by Benchmark that emphasises better flow mixing. As the flow passes through the heat exchanger, the design creates vortices, which distribute heat throughout the flow.
A resistojet design as a result has been demonstrated to provide higher thrust per unit power than conventional designs. Nevertheless, it is unknown whether Benchmark has used its resistojet thruster technology to launch any satellites.
