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Trade study - Analysis method for regolith composition (e.g. sensor options) #91
From memory of what has been flown on similar landers I've known:
a) Mechanical bearing strength
Mass: will scale (roughly) with the size of the specimen being poked.
b) Neutron densitometry
c) Electrical permittivity
d) Thermal properties
e) Volatile content
f) Elemental analysis - XRF
g) Tribology and electrostatic phenomena
h) UV-Vis spectra
I'm happy to write the above up as a Research Note for trade-off input. Might add to the list as the day wears on.
And now some fun links:
@jrcgarry thank you for sharing all of these details! A Research Note for this sounds great, please add it to the 'Working Research' folder here (still needs to be a bit organized):
A Research Note for this sounds great,
I'll enjoy that far too much. Thanks!…
On Tue, Sep 11, 2018 at 8:01 PM Yalda Mousavinia ***@***.***> wrote: @jrcgarry <https://github.com/jrcgarry> thank you for sharing all of these details! A Research Note for this sounds great, please add it to the 'Working Research' folder here (still needs to be a bit organized): https://drive.google.com/drive/folders/1RbNNzGJIZqbslVens_FrwlWNJkWkIyHE — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#91 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ATJWiYx5c7LKaSJKweekRugGX_2dWuc5ks5uaHjygaJpZM4Wikcm> .
Sep 13, 2018
There we go. A first cut at the document of How One Measures Regolith.
I'll throw in some more photographs of flown items, and make an attempt to gauge power & mass in order-of-magnitude scales based on present SoA.
@jrcgarry I fully read your research note and love how thorough you are with it. Thank you for putting this all together.
Flying even 1 of each of the instruments you discuss sounds like an entire mission on its own
@Engineer1119 Rest assured, the smorgasbord of sensors and techniques presented is simply there to kick ideas around.