ISRO To Perform First Sub-orbital Flight Test Of GSLV Mark III On December 18

Indian Space Research Organization (ISRO) is going to conduct the first sub-orbital flight test of Geosynchronous Satellite Launch Vehicle Mark III (GSLV-III or GSLV MK-3) on December 18 from Satish Dhawan Space Centre (SDSC)-SHAR, Sriharikota. The primary objective of this test is to carry out unmanned Crew Module Atmospheric Re-entry Experiment (CARE).The mission will help ISRO to launch heavier communication satellites of INSAT-4 class, weighing from 4500 kg to 5000 kg.The 630-tonne launch vehicle has higher payload capacity as compared to the previous GSLV launch systems. The 42.4 m tall GSLV MK-3 will feature three stages- Solid boosters, Liquid motor and C25 LOX/LH2 cryo stage.

GSLV

At an altitude of 126 km and a speed of 5300 m/s (19080 kph) after the launch, the CARE module will be separated from GSLV MK-3 rocket and fall into Bay of Bengal about 600 km from Port Blair in the Andaman Islands. At the time of landing, the crew capsule will deploy three stages of parachutes. The deployment stage will start when the CARE is slowed down to a speed of 233 m/s (838.8 kph). After falling into Bay of Bengal, the main parachutes will be detached. By tracking the beacon signal, the Indian Coast Guard will recover the CARE module. The duration of the whole experiment is 1,140 seconds and the cost of the mission is Rs 155 crore.

Mark

Equipped with six liquid-propellant thrusters and an ablative thermal protection, CARE has lift-off mass of 3,735 kg. The CARE recovery practice was performed on October 31, 2014 with the help of ICGS Samudra Paheredar, an Indian Coast Guard ship.

According to M Y S Prasad, director of SDSC-Sriharikota, the main objective of the mission is to test the atmospheric characteristics and stability of the launch vehicle on its way up along with the test of CARE.

Source: #-Link-Snipped-#via GSLV - Mark III test launch scheduled for Dec 18: ISRO | Business Standard News | Crew Module Atmospheric Re Entry Experiment

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