• UGI USER
  • Feb 17, 2024
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Naughty boy

@newsonair - Tweeted By AIR

News

  • Using a Geosynchronous Launch Vehicle (GSLV), ISRO will launch a meteorological satellite into space on 16th February 2024 from Sriharikota’s Satish Dhawan Space Centre and the satellite will be launched by the agency using a rocket known as the “Naughty Boy”
  • According to the ISRO, the GSLV-F14 will take off on Saturday (17th feb, 2024) at 5:35 p.m. and it will be the rocket’s tenth flight with the homegrown cryogenic engine and its sixteenth mission overall.

About the Mission

  • The mission is to place INSAT 3DS in a geosynchronous transfer orbit and to observe the surface of the earth, conduct oceanic research, and study the environment in a variety of spectral channels that are important for meteorology;
  • Objectives of the Mission:
    • The mission will identify several atmospheric meteorological parameters and supply information on significant weather-related topics as well as satellite-assisted search and rescue operations;
    • A follow-on project from Geostationary orbit, the INSAT-3Ds satellite is a Third Generation Meteorological satellite;
    • Together with INSAT 3D and 3DR, which are in orbit, the mission is designed to monitor land and ocean surfaces for weather forecasting and disaster warning;
    • The satellite’s payloads include a data relay transponder, optical radio meter, sounder payload, and search and rescue transponder.

Various Terms Explanation

Geosynchronous Launch Vehicle (GSLV)

  • To place satellites and other spacecraft into Geosynchronous Transfer Orbits, the ISRO designed, developed, and runs the Geosynchronous Launch Vehicle (GSLV) and the purpose of GSLV is to launch communication satellites;
  • Geosynchronous satellites are launched into orbit in the same direction as the Earth’s spin and can have any inclination and the satellites in geosynchronous orbits seem to stay in the same spot in space indefinitely;
  • Compared to the Polar Satellite Launch Vehicle (PSLV), the Geospatial Launch Vehicle (GSLV) can carry a larger payload into orbit and it has strap-on motors and is a three-stage launcher.
  • NOTE: Various ISRO’s Rocket
    • GSLV rockets are powerful than PSLV rockets and they are used for deeper space missions;
    • The initial rocket developed by ISRO was referred to as the Satellite Launch Vehicle or SLV for short. The Augmented Satellite Launch Vehicle, or ASLV, came next and it can carry weight up to 150 kg;
    • The Small Satellite Launch Vehicle (SSLV) is designed to provide 500 kg and lighter satellites with launch services at a reasonable price;
    • Additionally, ISRO developed the RLV-TD (Reusable Launch Vehicle Technology Demonstrator), a reusable rocket that successfully completed a test flight in 2016.

Cryogenic Engines

  • Functioning of cryogenic engines:
    • A rocket engine must produce a tremendous amount of thrust in order to escape Earth’s gravitational pull;
    • The chemicals used in engines are hydrogen and oxygen (hydrogen as a fuel, oxygen as an oxidizer), which produce a good thrust and are found on earth in the form of gas;
    • Carrying hydrogen and oxygen in gaseous form will necessitate a larger fuel chamber, increasing not only the size but also the weight of the rockets, making it an impossible task to launch a vehicle into space;
    • Hence, utilizing hydrogen and oxygen in their liquid or cryogenic forms, which are easier to transport when propellant volume decreases, is the solution as more thrust can be produced in less burning time as liquid density rises and we refer to these engines as cryogenic engines.
  • Why we can’t use ordinary fuel in space?
    • Ordinary fuel cannot be used in space because there is no environment that supports combustion and therefore, cryogenic fuel is used in rockets, spaceships, and satellites;
    • To keep this fuel in a liquid state, it must be stored at a very low temperature of -253 degrees Celsius.

Indian National Satellite System (INSAT) – 3DS

  • The India Meteorological Department (IMD) and ISRO are working together on it and it is one of several satellites in the climate observatory series designed to improve climate services;
  • It consists of three specific Earth observation satellites, INSAT-3D and INSAT-3DR which are currently in orbit;
  • The Geosynchronous Launch Vehicle (GSLV-F14) will be used for the launch;
  • NOTE: GSLV-F14: It is a more sophisticated rocket that runs on liquid fuel. Although the rocket presents a more complex engineering challenge due to its higher capacity and the use of cryogenic liquid propellants in all three stages, it is capable of achieving a significantly higher lift-off weight capacity.

Satish Dhawan Space Centre

  • The Indian Space Programme’s launch base infrastructure is provided by the Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota, the country’s spaceport. NOTE: The Andhra Pradesh district of Tirupati contains the barrier island known as Sriharikota;
  • This center is equipped with the capacity to process solid propellants, test solid motors in a static environment, integrate launch vehicles and perform launch operations, and manage range operations, including telemetry, tracking, command networks, and mission control centers;
  • The PSLV and GSLV rocket launch operations are conducted from two launch pads located within the Center.

ISRO

  • ISRO is a space agency under the Department of Space of the Government of India, with its headquarters in Bengaluru, Karnataka;
  • Its goal is to combine planetary exploration and space science research with the utilization of space technology for the benefit of the country.

 

Source: Newsonair

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