GSLV Mark III PDF

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GSLV Mark III

Introduction
The GSLV-III or Geosynchronous Satellite Launch Vehicle Mark III is a launch vehicle under development.
Geosynchronous Satellite Launch Vehicle is a launch vehicle under development. ISRO is developing this to
enable India to launch its heavier satellites without dependence on foreign rockets and providers. GSLV has
attempted eight launches to date, since its first launch in 2001 through its most recent launch in 2014.
Features
The GSLV MK-III is a 3 stage vehicle and will have an Indian cryogenic third stage.
The 3 stages of GSLV MK III are solid boosters, liquid motor and cryogenic upper stage.
The experimental mission of India's GSLV-Mk III is launched in the first half of December. The 630-tonne
GSLV-MK III will carry a crew module (3.65 tonnes) without astronauts
GSLV-MK III can put a communication satellite of 4 tonnes into geo-synchronous orbit or 10 tonnes
satellite into low earth orbit.
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History of GSLV MK III
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Development for the GSLV-III began in the early 2000s, with the first launch planned for 2009-2010.
The first flight of the GSLV Mk. II, with an Indian-developed third stage engine was made in April 2010
but it resulted in a failure as 3rd stage failed to ignite.
The next launch, in December 2010, used the Russian engine; however the vehicle went out of control
during first stage flight so it was also failed.
GSLV-D5, launched on January 5, 2014, was the first successful flight of the GSLV Mark. II using the
indigenously developed cryogenic engine.
A flight test of the GSLV-III launcher, with a cryogenic third stage, was successfully carried out on 18
December 2014. It was not a full flight. It carried a crew module to a height of 120km.
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The launch of GSLV Mark III will enhance Indias capability to be a competitive player in the multimillion
dollar commercial launch market. It will help in earning huge foreign exchange.
Indias dependence on foreign launch vehicles to put its heavy satellites (eg. INSAT series) will be
reduced. The GSLV Mark III will help ISRO put heavier communication satellites of INSAT-4 class into
orbit.
This will unleash Indias dream of sending its astronauts into space come true. ISRO calls its mission to
send astronauts to space the Human Space Flight (HSF) programme.
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Significance
Crew Module Atmospheric Re-entry Experiment (CARE):
The Crew Module Atmospheric Re-entry Experiment (CARE) is an experimental test vehicle for
the Indian Space Research Organisation's future Orbital Vehicle. It was launched successfully on 18
December 2014.
The test flight had a crew module as a dummy payload and cryogenic engine for weight simulation.
The sole payload was the 3.7-tonne Crew Module Atmospheric Re-entry Experiment (CARE). Just over
five minutes into the flight, the rocket ejected CARE at an altitude of 126 km. CARE then descended at
high speed, controlled by its onboard motors.
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The experimental flight with the crew module in a spacecraft tested whether its heat shield can survive
very high temperatures during its re-entry into the atmosphere.
The success of the module is the core for a future Human Space Project.( Programme of ISRO to send
human into space)
Future
The first development flight (GSLV Mk-III D1) with an operational cryogenic stage is planned between
2016 to 2017 and second development flight (GSLV Mk-III D2) is planned in 2017 to 2018.
ISRO Chairman K Radhakrishnan has announced that a project report compiled by the agency envisages
a Rs. 12,400-crore manned space mission by 2021. This manned mission will be launched by GSLV MK III
vehicle.
Conclusion
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Thirty long years after Rakesh Sharma became the first Indian to travel into space aboard a Soviet Soyuz
spacecraft, India has now come a step closer to realising its long-held dream of sending humans into space, with
the successful test flight of GSLV Mark III. The success of the new launch vehicle would also help the country to
send four tonne communication satellites, which were being sent through European Space Agency satellites at
present. This successful experiment enhanced Indias capability as well as reputation at world stage. This will be
economically beneficial to India.
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GSLV Mark III

History of GSLV MK III

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