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Proceedings of the 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017)

ISSN: 2688-7231 (Online)

AERODYNAMIC DECELERATOR ATMOSPHERIC-ENTRY MODULE (ADAM) FOR MARS

D. I. Arun
Indian Institute of Space Science and Technology, Thiruvananthapuram, Kerala, India

Oamjee Aryadutt
Indian Institute of Space Science and Technology, Thiruvananthapuram, Kerala, India

Kumar K. P. Prajith
Indian Institute of Space Science and Technology, Thiruvananthapuram, Kerala, India

DOI: 10.1615/IHMTC-2017.1510
pages 1081-1085

Аннотация

Mars has been a planet of interest to astronomers since time immemorial and even the ancient Indian writing 'Hora Sastra of Brihat Parasara' depicts Mars as 'Bhumiputra' meaning son of Earth. Since the time of Mariner.4, man-made machines pass the atmosphere of Mars to get a glance of the hidden science, and currently Curiosity surveys the surface and subsurface in search of cause of disappearance/future possibility of life.
ADAM is an atmospheric entry module that safely delivers micro/mini probes/payloads to Martian surface, weighing from minimum 5 kg to 15 kg net weight relevant for small scale researchers and explorers. The module is conceptualized in the configuration of a stretched sphere (tear drop shape during its atmospheric entry) and the rear cone separates out during the parachute deployment transforming the module to a sphere. This sphere drops down decelerating, aided with three thrusters to bring down the velocity to near zero value for a safer touchdown. Visco-elastic materials serves as shock absorbers to prevent impact load transfer to the payload inside.
The concept can be analogous to the advent of mini- satellites orbiting planet earth for short term studies and owned by knowledge enthusiasts. Thus vide this paper authors are trying to open new horizons for such aficionados to Martian surface.

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