Name: Space Missions: Need and Importance
Uploaded: 2019-07-19
Duration: 12 min 13 s
Description: Space missions have shown us how far the human race can go. The crews and crafts involved in these remarkable space missions have made great strides in explo...

Question

What is meant by satellite launch vehicles? Explain a satellite launch vehicle developed by ISRO with the help of a schematic diagram.

Accepted Answer

Launch vehicle is a rocket-powered vehicle used to transport a spacecraft beyond Earth's atmosphere, either into orbit around Earth or to some other destination in outer space.

Satellite launch vehicles are used to place the satellites in their specific orbits. The function of this vehicle is based on Newton’s third law of motion. ISRO has developed PSLV [polar satellite launch vehicle]. It is a multistage rocket that consists of an engine which uses solid fuel that provides initial thrust, which provides certain velocity and takes it to a certain height. There are four stages which uses solid and liquid fuel alternatively. Once the first stage fuel is used up the engine and first stage gets detached from the main body and falls into sea or unpopulated land and the second stage gets ignited. As the empty fuel tank gets detached, the weight of the rocket gets reduced and it moves with higher speed. And a similar process takes place till the payload is delivered to desired orbit.

An image of the multistage satellite is shown below:

What is meant by satellite launch vehicles? Explain a satellite launch vehicle developed by ISRO with the help of a schematic diagram.

Important Questions on Space Missions

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