15th Biennial ASCE Conference on Engineering, Science, Construction, and Operations in Challenging Environments
Manufactured Porous Ambient Surface Simulants
Publication: Earth and Space 2016: Engineering for Extreme Environments
ABSTRACT
The planetary science decadal survey for 2013–2022 has promoted mission concepts for sample acquisition from small solar system bodies. Numerous comet-sampling tools are in development to meet this standard. Manufactured porous ambient surface simulants (MPASS) materials provide an opportunity to simulate variable features at ambient temperatures and pressures to appropriately test potential sample acquisition systems for comets, asteroids, and planetary surfaces. The original “flavor” of MPASS materials is known as manufactured porous ambient comet simulants (MPACS), which was developed in parallel with the development of the biblade comet sampling system. The current suite of MPACS materials was developed through research of the physical and mechanical properties of comets from past comet missions results and modeling efforts, coordination with the science community at the Jet Propulsion Laboratory, and testing of a wide range of materials and formulations. These simulants were required to represent the physical and mechanical properties of cometary nuclei, based on the current understanding of the science community. Working with cryogenic simulants can be tedious and costly; thus, MPACS is a suite of ambient simulants that yields a brittle failure mode similar to that of cryogenic icy materials. Here, we describe our suite of comet simulants known as MPACS that will be used to test and validate the biblade comet sampling system.
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ACKNOWLEDGEMENTS
This research was conducted at Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration (NASA). We would like to gratefully acknowledge JPL’s Research and Technology Development Program, which sponsored the invention of the MPASS materials.
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Published In
Earth and Space 2016: Engineering for Extreme Environments
Pages: 105 - 111
Editors: Ramesh B. Malla, Ph.D., University of Connecticut, Juan H. Agui, Ph.D., NASA Glenn Research Center, and Paul J. van Susante, Ph.D, Michigan Technological University
ISBN (Online): 978-0-7844-7997-1
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© 2016 American Society of Civil Engineers.
History
Published in print: Dec 30, 2016
Published online: Jun 29, 2017
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