Does the ISS have a propulsion system?

Two propulsion systems have been selected for the space station: gaseous H/O rockets for high thrust applications and the multipropellant resistojets for low thrust needs. These two thruster systems integrate very well with the fluid systems on the space station, utilizing waste fluids as their source of propellant.

What is a propellant tank used for?

Rocket propellant tanks are pressure vessels where liquid fuels are stored prior to use. They have to store the propellant, while minimizing slosh and particularly when the tank is nearly empty, minimizing vortexing.

Does ISS use fuel to orbit?

At its current altitude, the space station uses about 19,000 pounds of propellant a year to maintain a consistent orbit. At the new, slightly higher altitude, the station is expected to expend about 8,000 pounds of propellant a year.

How the ISS is controlled?

It maintains an orbit with an average altitude of 400 kilometres (250 mi) by means of reboost manoeuvres using the engines of the Zvezda Service Module or visiting spacecraft. The ISS circles the Earth in roughly 93 minutes, completing 15.5 orbits per day.

What is the function of propellant management in propulsion system?

The purpose of a propellant management device is to separate liquid and gas phases within a propellant tank and to transfer vapor-free propellant from a storage tank to a transfer line en route to either an engine or a receiver depot tank, in any gravitational or thermal environment.

What is a PMD tank?

Propellant Management Device (PMD) tanks are used in mono- and bi-propellant systems for the control of fluid and separation of the pressurant gas from the fuel or oxidizer to provide gas-free propellant to the thrusters through the spacecraft life.

What material is the ISS made of?

Titanium, Kevlar, and high-grade steel are common materials in the ISS. Engineers had to use these materials to make the structure lightweight yet strong and puncture-resistant. Because each of the aluminum-can shaped components of the Station has to be lifted into orbit, minimizing weight is crucial.

Where is the ISS located?

The International Space Station completes multiple orbits around Earth every day, and now you can track the space lab as it passes overhead. At an average altitude of 248 miles (400 kilometers) above Earth, the space station is the third brightest object in the sky.

https://www.youtube.com/watch?v=B3vdDpp0J0M