High-Temp Electronics For Venus Exploration, recent advances |
High-Temp Electronics For Venus Exploration, recent advances |
Mar 13 2013, 03:36 PM
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Member Group: Members Posts: 127 Joined: 20-April 05 Member No.: 291 |
(MOD NOTE: Started a new topic for this discussion to continue. Please remember the 'no sci-fi engineering' provision of rule 1.9. Have fun!)
Also, since I'm thinking about surface operations on Venus, the state-of-the-art in high temperature electronics has advanced quite far in the past decade. Its now possible to buy off the shelf chips from vendors designed to operate at the 250-300 C range. Meanwhile basic functionality has been tested at and beyond the temperatures needed for long-term surface operations on Venus: http://www.grc.nasa.gov/WWW/SiC/ http://www.gizmag.com/extreme-silicon-carb...ctronics/16410/ http://www.grc.nasa.gov/WWW/SiC/publicatio...Contact2010.pdf Another decade or so and a long-term Venus lander could be possible with (practically) off the shelf electronics! |
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Apr 8 2013, 10:38 PM
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Member Group: Members Posts: 128 Joined: 10-December 06 From: Atlanta Member No.: 1472 |
I think it is unreasonable to expect a full fledge high-temperature computer with tons of flash memory; at least early on. The more likely system would be something akin to the late 1960s or early 70s technology (say Voyager style). One solution is to have most of the telecommunication systems and memory and command handling in a separate orbiter (which of course uses regular electronics), which then commands the lander in realtime and records the data without need for much memory in the lander. The orbiter could be in a low polar orbit and can probably communicates with the lander 10 minutes every 90 minutes or so.
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Apr 9 2013, 03:00 AM
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Member Group: Members Posts: 166 Joined: 20-September 05 From: North Texas Member No.: 503 |
The orbiter could be in a low polar orbit and can probably communicates with the lander 10 minutes every 90 minutes or so. How difficult would it be to park a satellite in a geostationary orbit for full-time communication with a lander? Would it require too much fuel to achieve such an orbit? |
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