Stochastic modeling of the residual acceleration field in a microgravity environment

Jaume Casademunt, Jorge Viñals

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We discuss fluid flows induced by the high-frequency components of the residual acceleration field onboard spacecraft (g-jitter) on representative experimental configurations. We study the statistics of g-jitter time series data from the NASA SL-J mission (SAMS-258), and discuss a recently introduced stochastic model of g-jitter. The examples studied are chosen to highlight intrinsically stochastic effects of g-jitter. They include free surface resonances, cavity flow, and inertial Brownian motion in suspensions. The latter is relevant for coarsening experiments in solid-liquid mixtures.

Original languageEnglish (US)
Pages (from-to)123-133
Number of pages11
JournalAstrophysics and Space Science
Issue number1
StatePublished - 2001

Bibliographical note

Funding Information:
We are indebted to Wenbin Zhang, J. Ross Thomson and François Drolet for their contribution to the work that has been reviewed here. This research was supported by the Microgravity Science and Applications Division of the NASA under contract No. NAG3-1885, and also in part by the Supercomputer Computations Research Institute, which is partially funded by the U.S. Department of Energy, contract No. DE-FC05-85ER25000. J.C. acknowledges financial support from DGICYT project PB96-1001-C02-02 (Spain).


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