My Assistant
TEGA (Thermal Evolved Gas Analyzer), an apparent problem |
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May 31 2008, 06:48 PM
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#1
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Guests |
Hello,
According to the publication here: http://www.space.com/missionlaunches/08053...ion-update.html The glitch seems to be a short circuit in a filament in a part of the instrument that ionizes the vapors before they are sent to the detector... Does that mean that it's directly related to the DSC oven? |
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Jun 3 2008, 11:22 PM
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#2
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Member ![]() ![]() ![]() Group: Members Posts: 530 Joined: 21-March 06 From: Canada Member No.: 721 |
Are they planning to test all the doors to see if any more might have issues?
Brian |
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Jun 4 2008, 12:24 AM
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#3
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![]() Member ![]() ![]() ![]() Group: Members Posts: 408 Joined: 3-August 05 Member No.: 453 |
Are they planning to test all the doors to see if any more might have issues? I can't imagine so as then they would lose the ability to control what sample goes in what container - assuming the doors can not be closed again, or at least risking a door not being closed again. Which brings up a point - can the TEGA doors also be closed again? The TEGA documentation I have read only mentions that the doors are solenoid operated, but does not say they are/can be closed prior to TEGA thermal analysis (which is not necessary since each oven seals itself). Let's say the doors can close - but would the dirt that was not filtered through and vibrated off the screen not prevent them from doing so anyway? But say they can not close - then could a misplaced clump of dirt not prevent the neighboring door from opening, if said clump of Mars' finest dirt was deposited along the hinges of two adjoining doors, especially if one of those doors was at a convenient angle for the dirt to slide down towards the hinge...? Well, we'll see soon enough! Airbag |
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Zvezdichko TEGA (Thermal Evolved Gas Analyzer) May 31 2008, 06:48 PM
rlorenz QUOTE (Zvezdichko @ May 31 2008, 02:48 PM... Jun 1 2008, 03:33 PM
Skyrunner As I understand it the part that has shorted out i... Jun 2 2008, 02:03 PM
rlorenz QUOTE (Skyrunner @ Jun 2 2008, 09:03 AM) ... Jun 2 2008, 04:07 PM
Skyrunner Yeah, I should have known that. Next time I work w... Jun 3 2008, 01:33 PM
climber One TEGA image on sol 9 : http://phoenix.lpl.arizo... Jun 3 2008, 09:19 PM
mars loon QUOTE (climber @ Jun 3 2008, 10:19 PM) On... Jun 3 2008, 09:23 PM
rlorenz QUOTE (Airbag @ Jun 3 2008, 08:24 PM) Whi... Jun 4 2008, 01:16 AM
bgarlick Do the doors need to also be able to close for pro... Jun 4 2008, 12:05 AM
Sandro Hi together
I just had an short idea on a possibl... Jun 4 2008, 01:09 PM
MahFL I think the safest thing to do is just use the ove... Jun 4 2008, 02:38 PM
nilstycho Whenever something gets stuck on a spacecraft, the... Jun 4 2008, 04:04 PM
Tom Tamlyn QUOTE (nilstycho @ Jun 4 2008, 12:04 PM) ... Jun 4 2008, 11:54 PM

volcanopele QUOTE (Tom Tamlyn @ Jun 4 2008, 04:54 PM)... Jun 6 2008, 08:30 AM

Skyrunner QUOTE (volcanopele @ Jun 6 2008, 10:30 AM... Jun 6 2008, 08:40 AM

SickNick QUOTE (volcanopele @ Jun 6 2008, 06:30 PM... Jun 8 2008, 02:43 AM

dvandorn QUOTE (SickNick @ Jun 7 2008, 09:43 PM) D... Jun 8 2008, 04:25 AM
rlorenz QUOTE (nilstycho @ Jun 4 2008, 12:04 PM) ... Jun 5 2008, 01:55 PM
centsworth_II QUOTE (rlorenz @ Jun 5 2008, 08:55 AM) Th... Jun 5 2008, 03:00 PM
djellison A thermal day-night cycle may well help it deploy ... Jun 4 2008, 03:03 PM
bgarlick The screen behind the TEGA doors looks very fine m... Jun 4 2008, 03:50 PM
MahFL QUOTE (bgarlick @ Jun 4 2008, 04:50 PM) T... Jun 4 2008, 04:54 PM

bgarlick QUOTE (MahFL @ Jun 4 2008, 08:54 AM) I th... Jun 4 2008, 05:18 PM

nprev QUOTE (bgarlick @ Jun 4 2008, 09:18 AM) t... Jun 4 2008, 05:33 PM

gallen_53 QUOTE (nprev @ Jun 4 2008, 06:33 PM) Or e... Jun 8 2008, 06:02 AM

Aussie QUOTE (gallen_53 @ Jun 8 2008, 07:02 AM) ... Jun 8 2008, 09:05 AM

SickNick QUOTE (Aussie @ Jun 8 2008, 07:05 PM) But... Jun 8 2008, 09:18 AM

gallen_53 QUOTE (SickNick @ Jun 8 2008, 09:18 AM) I... Jun 8 2008, 08:03 PM
rlorenz QUOTE (bgarlick @ Jun 4 2008, 10:50 AM) I... Jun 5 2008, 08:26 PM
bgarlick QUOTE (bgarlick @ Jun 4 2008, 07:50 AM) T... Jun 7 2008, 06:17 PM
brianc QUOTE (bgarlick @ Jun 7 2008, 07:17 PM) D... Jun 7 2008, 07:09 PM
MahFL Oh oh, lots of head scratching at UA. Jun 7 2008, 07:22 PM
Airbag I'm still kind of surprised that they did not ... Jun 4 2008, 11:09 PM
JRehling On the other hand, what if the first use of the RA... Jun 5 2008, 12:43 AM
Airbag QUOTE (JRehling @ Jun 4 2008, 08:43 PM) O... Jun 5 2008, 05:02 PM
glennwsmith I like Sandro's idea, after it has had time to... Jun 5 2008, 04:53 AM
ollopa Ironically, it is a "hammer" that appea... Jun 5 2008, 10:33 PM
Skyrunner I was wondering the accuracy of the samples (on bo... Jun 6 2008, 08:12 AM
Littlebit QUOTE (Skyrunner @ Jun 6 2008, 02:12 AM) ... Jun 6 2008, 05:18 PM
djellison Mythbusters
"With enough lubrication, we can... Jun 6 2008, 09:20 AM
ilbasso QUOTE (djellison @ Jun 6 2008, 04:20 AM) ... Jun 6 2008, 07:41 PM
mike What about a flat plate resting long axes parallel... Jun 7 2008, 07:51 AM
Zvezdichko http://phoenix.lpl.arizona.edu/06_07_pr.php - samp... Jun 7 2008, 04:06 PM
Harder This first sample is "topsoil" where the... Jun 7 2008, 05:05 PM
ugordan QUOTE (Harder @ Jun 7 2008, 07:05 PM) Too... Jun 7 2008, 05:14 PM
1101001 QUOTE (Harder @ Jun 7 2008, 09:05 AM) But... Jun 7 2008, 05:57 PM
Sunspot Oh Dear, things don't seem to be going too wel... Jun 7 2008, 05:39 PM
Harder Thanks for this info. It states that the rasp prod... Jun 7 2008, 06:16 PM
elakdawalla QUOTE (Harder @ Jun 7 2008, 10:16 AM) So ... Jun 7 2008, 10:34 PM
Stu Well, head-scratching is good, you know? Doesn... Jun 7 2008, 07:36 PM
Aussie QUOTE (Stu @ Jun 7 2008, 08:36 PM) but th... Jun 8 2008, 02:16 AM
belleraphon1 Here is where litter box skills will come in handy... Jun 7 2008, 08:25 PM
ngunn Mars people please - I need some help with dismiss... Jun 7 2008, 09:11 PM
SickNick QUOTE (ngunn @ Jun 8 2008, 07:11 AM) Mars... Jun 8 2008, 02:51 AM
deglr6328 The liquid phase of CO2 is forbidden below 5 bar. Jun 7 2008, 09:45 PM
ngunn QUOTE (deglr6328 @ Jun 7 2008, 10:45 PM) ... Jun 7 2008, 10:03 PM
helvick QUOTE (ngunn @ Jun 7 2008, 11:03 PM) Is t... Jun 7 2008, 10:28 PM
deglr6328 Ionic salts are insoluble in liquid CO2 because it... Jun 7 2008, 10:25 PM
deglr6328 Mightn't we expect the MARDI microphone to be ... Jun 7 2008, 10:53 PM
Reed Is there a diagram or detailed description of the ... Jun 8 2008, 12:16 AM
deglr6328 QUOTE (SickNick @ Jun 8 2008, 02:51 AM) T... Jun 8 2008, 05:48 AM
ngunn Excellent replies from the chemists as I had hoped... Jun 8 2008, 07:58 AM
Tman Could it be that the behavior of this sample is af... Jun 8 2008, 09:03 AM
JRehling QUOTE (Tman @ Jun 8 2008, 02:03 AM) Could... Jun 9 2008, 12:28 AM
jmknapp QUOTE (JRehling @ Jun 8 2008, 07:28 PM) I... Jun 9 2008, 11:40 AM
Zvezdichko Hello, I have a question which may sounds a bit si... Jun 8 2008, 09:37 AM
djellison QUOTE (Zvezdichko @ Jun 8 2008, 10:37 AM)... Jun 8 2008, 10:08 AM
Zvezdichko Once again, thank you, Doug. In the end MECA and T... Jun 8 2008, 10:38 AM
SickNick QUOTE (Zvezdichko @ Jun 8 2008, 08:38 PM)... Jun 8 2008, 02:13 PM
Zvezdichko I apologise to you then. This was my natural desir... Jun 8 2008, 04:34 PM
glennwsmith A tip o' the hat to bgarlick for his predictio... Jun 8 2008, 06:39 PM
Sputnik Wouldn't a high frequency vibrator between the... Jun 8 2008, 07:16 PM
gallen_53 Sushil Atreya (a professor at the University of Mi... Jun 8 2008, 08:27 PM
Sunspot Has there been any update on the TEGA problem? Jun 9 2008, 07:21 AM
akuo Twitter says:
QUOTE Goal Sunday was to shake the s... Jun 9 2008, 07:52 AM
Stu Hey, Doug, if all else fails, they could always as... Jun 9 2008, 08:02 AM
djellison You think you're funny... you THINK you're... Jun 9 2008, 10:32 AM
akuo A sol 14 image of TEGA has appeared. There is some... Jun 9 2008, 10:51 AM
MahFL QUOTE (akuo @ Jun 9 2008, 11:51 AM) I... Jun 9 2008, 01:09 PM
ugordan Hmmm... I wonder how much (if any) of the soil fel... Jun 9 2008, 01:16 PM
MahFL I still maintain they poured way too much soil ont... Jun 9 2008, 01:39 PM
Stu I can't make out much "settling" or ... Jun 9 2008, 01:40 PM
ugordan On the brighter side, even if there was soil depos... Jun 9 2008, 01:46 PM
centsworth_II I wonder why they started with the uppermost oven.... Jun 9 2008, 02:22 PM
djellison The ovens are side by side, not one above the othe... Jun 9 2008, 02:23 PM
centsworth_II QUOTE (djellison @ Jun 9 2008, 09:23 AM) ... Jun 9 2008, 02:30 PM
djellison Yeah - it's a very very expensive, but small, ... Jun 9 2008, 02:32 PM
centsworth_II QUOTE (djellison @ Jun 9 2008, 09:32 AM) ... Jun 9 2008, 02:41 PM
MahFL QUOTE (djellison @ Jun 9 2008, 03:32 PM) ... Jun 9 2008, 03:41 PM
tuvas Poor TEGA... It just doesn't seem to be workin... Jun 9 2008, 03:03 PM
centsworth_II QUOTE (tuvas @ Jun 9 2008, 10:03 AM) Poor... Jun 9 2008, 03:07 PM
Stu QUOTE (centsworth_II @ Jun 9 2008, 04:07 ... Jun 9 2008, 03:49 PM
jmknapp Is a press conference scheduled today? Seems like ... Jun 9 2008, 04:08 PM
Stu Yep...
Media Update
NASA and the University of Ar... Jun 9 2008, 04:14 PM
Sunspot How many of the original science objectives can be... Jun 9 2008, 04:18 PM
ugordan Whoa, people... Getting a bit negative, aren't... Jun 9 2008, 04:19 PM
Stu I was just thinking that... come on guys, first sa... Jun 9 2008, 04:22 PM
MahFL There are plenty of positive things about Phoenix ... Jun 9 2008, 04:36 PM![]() ![]() |
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