ISS Microgravity Experiments: Preparation Work

Sahoo, Shilpa; Louge, Michel Y.; Desjardins, Olivier

ISS Microgravity Experiments: Preparation Work

dc.contributor.author	Sahoo, Shilpa
dc.contributor.author	Louge, Michel Y.
dc.contributor.author	Desjardins, Olivier
dc.date.accessioned	2021-08-27T02:34:11Z
dc.date.available	2021-08-27T02:34:11Z
dc.date.issued	2021-08-26
dc.description.abstract	To study imbibition on Earth, time and distance must be shrunk to mitigate gravity-induced distortion. These small scales make it impossible to observe the inertial and pinning processes in detail. Therefore, the microgravity on the International Space Station (ISS) was exploited to study the imbibition of water into a network of hydrophilic cylindrical capillaries on time and length scales long enough to observe details hitherto inaccessible under Earth gravity. To investigate the role of contact pinning, a text matrix needed to be produced which consisted nine kinds of porous capillary plates made of gold-coated brass treated with Self-Assembled Monolayers (SAM) that fixed advancing and receding contact angles to known values. On Earth, flat, 25% surface fraction and 50% surface fraction brass plates were designed and manufactured. The CAD files of these are presented here. Then they were electrolessly gold-deposited with the help of the group of Prof. Sadik Omowunmi at the University of Binghamton (now at the New Jersey Institute of Technology). The SEM images of these brass and gold-plated samples are also shown here. Then they were coated with SAMs, the MSDS of each chemical are presented here. Additionally, the contact angle measured by goniometry on these plates after SAM coating are exhibited here. Finally, the excerpts of the original NSF proposal for this project; crew procedures for set up, execution and stowage of the ISS experiment and PI science requirements forming the basis of the design by Zin-Technologies has also been presented here.	en_US
dc.description.sponsorship	This work was supported by: National Science Foundation Grant CBET 1637531 and User Agreement UA‐2017‐228 from the Center for the Advancement of Science in Space under NASA Cooperative Agreement NNH11CD70A.	en_US
dc.identifier.doi	https://doi.org/10.7298/z76c-9c63
dc.identifier.uri	https://hdl.handle.net/1813/104270
dc.language.iso	en_US	en_US
dc.rights	CC0 1.0 Universal	*
dc.rights.uri	http://creativecommons.org/publicdomain/zero/1.0/	*
dc.subject	International Space Station	en_US
dc.subject	SEM	en_US
dc.subject	Electroless gold-plating	en_US
dc.subject	CAD	en_US
dc.subject	Self-Assembled Monolayers	en_US
dc.subject	Electroless gold-deposition	en_US
dc.title	ISS Microgravity Experiments: Preparation Work	en_US
dc.type	dataset	en_US
schema.accessibilityFeature	alternativeText	en_US
schema.accessibilityFeature	captions	en_US
schema.accessibilityFeature	readingOrder	en_US
schema.accessibilityFeature	taggedPDF	en_US