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Microgravity Science and Technology
Papers 1298
1 page of 130 pages (1,298 results)
Published on Nov 23, 2018in Microgravity Science and Technology 1.36
Momoko Tomaru (Waseda University), Takuma Osada (Waseda University)+ 2 AuthorsYuko Inatomi11
Estimated H-index: 11
(Japan Aerospace Exploration Agency)
The Soret-Facet mission was conducted under microgravity conditions to measure the Soret coefficient (ST) for salol/tert-butyl alcohol using a two-wavelength Mach-Zehnder Interferometer (2-MZI). The 2-MZI is useful in the simultaneous measurement of temperature and concentration in binary mixtures. However, the simultaneous analysis of the 2-MZI had the limitation in accurate determination of ST because of the uncertainties in the experimental values of coefficients of refractive indices. To red...
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Published on Nov 10, 2018in Microgravity Science and Technology 1.36
Chu Zhang (Chinese Academy of Sciences), Jianwu He (Chinese Academy of Sciences)+ 1 AuthorsQi Kang7
Estimated H-index: 7
(Chinese Academy of Sciences)
This paper addresses the problem of designing an active disturbance rejection controller for a high accuracy drag-free satellite with cubic test mass. The uncertain model of the drag-free satellite is defined. The performance requirement imposed on the acceleration of the test mass is broken down into specification of drag-free and suspension loop because of the disturbance decoupling controller, which is based on the linear active disturbance rejection control technique. We derive two-degree in...
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Published on Jan 17, 2019in Microgravity Science and Technology 1.36
Alexis Dalmon1
Estimated H-index: 1
Mathieu Lepilliez3
Estimated H-index: 3
+ 7 AuthorsJean Mignot1
Estimated H-index: 1
The fluids behaviour within a spherical tank under microgravity conditions is investigated through a comparison between the original data from the FLUIDICS experiment carried out in the ISS and Direct Numerical Simulations for two-phase flows. The study case consists in the rotation of a spherical tank around a fixed axis. The tank is filled with a liquid with physical properties similar to those of liquid propellants and gases used in the space industry. Two tanks with different filling ratios ...
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Published on Jan 19, 2019in Microgravity Science and Technology 1.36
Jiaxing Zhou , Lei Liu1
Estimated H-index: 1
Zhigang Wang1
Estimated H-index: 1
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Published on Nov 3, 2018in Microgravity Science and Technology 1.36
Tatyana Lyubimova9
Estimated H-index: 9
(Perm State University),
Nadezhda Zubova1
Estimated H-index: 1
Valentina Shevtsova25
Estimated H-index: 25
(Université libre de Bruxelles)
We present a numerical study of a Soret experiment, which is conducted in a cell filled with a binary mixture and placed between differently heated horizontal walls. In real experiments, in the corner regions of the cell, where glass is in contact with metal, the uniformity of temperature can be perturbed. We study the effect of the temperature non-uniformity on the Soret separation considering two variable parameters: the local deviation of temperature from the value on the rest of the wall, an...
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