The Difference Between GSLV and PSLV
The Indian Space Research Organization (ISRO) has been making remarkable progress in the field of space exploration. The organization has launched several successful space missions including space technology, satellites, and launch vehicles. Two of their most popular launch vehicles are the GSLV and PSLV. Each of these vehicles has its own set of unique features that set them apart from one another.
GSLV
GSLV or Geosynchronous Satellite Launch Vehicle is a rocket designed to place satellites in Geosynchronous Transfer Orbit (GTO). The GSLV uses both solid fuel and liquid fuel-based engines, making it capable of launching heavier satellite payloads. The vehicle is often used for launching heavier geostationary communication satellites or for interplanetary missions. One of the unique features of the GSLV is its cryogenic engine, which uses liquid hydrogen as a fuel and liquid oxygen as oxidizer. The cryogenic engine was incorporated in the GSLV to enhance its payload capacity and reduce the dependence on foreign launch vehicles.
PSLV
PSLV or Polar Satellite Launch Vehicle is a rocket designed for launching satellites into Low Earth Orbits (LEO). PSLV is known for its reliability, as it has a success rate of over 95%. One of the distinct features of the PSLV is its modular design, which makes it easy to assemble and disassemble. The vehicle uses only solid fuel engines, making it cheaper to produce and more energy-efficient. The PSLV is also capable of launching multiple satellites at once, making it an ideal choice for commercial space missions.
The Differences
The main difference between the GSLV and the PSLV is their payload capacity and the type of missions they are designed for. The GSLV is capable of carrying heavier payloads and is commonly used for launching communication and weather satellites, as well as for interplanetary missions. The PSLV, on the other hand, is designed for launching lighter payloads into LEO, making it ideal for scientific and research missions.
Another difference between the two launch vehicles is their fuel type. While the GSLV uses both solid and liquid fuel-based engines, the PSLV only uses solid fuel engines. This makes the PSLV less expensive to produce and more energy-efficient.
In conclusion, the GSLV and PSLV are two unique launch vehicles designed for different types of missions. While the GSLV is ideal for heavier payloads and interplanetary missions, the PSLV is perfect for launching lighter payloads into LEO for research and scientific missions. Both launch vehicles have played a critical role in India’s space program, making significant contributions to the field of space exploration worldwide.
Table difference between gslv and pslv
| Parameter | GSLV | PSLV |
|---|---|---|
| Full form | Geosynchronous Satellite Launch Vehicle | Polar Satellite Launch Vehicle |
| Launch capability | Can launch heaver satellites (up to 2.5 tons) to geostationary orbits | Primarily used for launching lighter satellites (up to 1.5 tons) to low-earth orbits |
| Launch history | First launched in 2001 | First launched in 1993 |
| Launch site | Sriharikota, Andhra Pradesh | Sriharikota, Andhra Pradesh |
| Number of stages | Three stages | Four stages |
| Cost | More expensive compared to PSLV | Less expensive compared to GSLV |
| Application | Used for communication and weather satellites | Primarily used for earth observation, remote sensing, and navigation satellites |