Journal Article10.1016/S0017-9310(98)00140-9
Convection induced by residual-g and g-jitters in diffusion experiments
Raffaele Savino,Rodolfo Monti +1 more
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TL;DR: In this article, the average field equations were derived in the general case of a binary mixture with simultaneous heat⧹mass transfer, but the particular case of an isothermal mixture is considered to analyse the concentration distortions induced by g-disturbances during the diffusion experiment.
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About: This article is published in International Journal of Heat and Mass Transfer. The article was published on 02 Jan 1999. The article focuses on the topics: Diffusion (business) & Péclet number.
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Citations
Surface and buoyancy driven free convection
L.G. Napolitano
- 01 Sep 1981
TL;DR: In this paper, a system of two interfacing immiscible fluids subject to an imposed temperature difference in a gravity field is considered, and an order of magnitude analysis is applied to determine: (i) the types of flow regimes that can be attained in natural, Marangoni or combined free convection; (ii) how the problem's data identify which type of free convective and of flow regime prevails in each specific case.
70
Influence of vibrations on thermodiffusion in binary mixture: A benchmark of numerical solutions
Valentina Shevtsova,Denis Melnikov,Jean Claude Legros,Y. Yan,Ziad Saghir,Tatyana Lyubimova,G. Sedelnikov,Bernard Roux +7 more
TL;DR: In this paper, double-diffusive and vibrational convection with the Soret effect is considered in a cubic rigid cell filled with water (90%) and isopropanol (10%), subjected to a temperature difference between opposite lateral walls.
50
Liquid Sloshing Dynamics: Fluid field equations and modal analysis in rigid containers
Raouf A. Ibrahim
- 01 May 2005
TL;DR: In this paper, the Dirichlet boundary conditions are classified into three classes: Neumann boundary conditions, Cauchy boundary conditions and Cauchey boundary conditions for a partially filled container.
48
Assessment of Thermovibrational Theory: Application to G-Jitter on the Space Station
Raffaele Savino,Marcello Lappa +1 more
TL;DR: In this paper, the effects of g-jitter (oscillatory residual acceleration disturbances) on fluid dynamics experiments onboard the International Space Station is discussed. And the most important terms in the momentum and in the energy equation are identified by an a posteriori order of magnitude analysis by means of the numerical solution of the unsteady full Navier-Stokes equations.
37
Reference Microgravity Measurements of Liquid Phase Solute Diffusivities in Tin- and Aluminum-Based Alloys
TL;DR: In this paper, the authors present results of the measurement of solute diffusivities in the Al-Ni and Sn-Bi-In systems in microgravity and may therefore be assigned as reference values.
36
References
Thermal convection in an enclosure due to vibrations aboard spacecraft
TL;DR: In this article, the effect of spacecraft vibrations on thermal convection in an enclosure induced by spacecraft vibrations (#-jitter) has been investigated and its implications on materials processing in space are discussed.
142
Analysis of the low gravity tolerance of Bridgman-Stockbarger crystal growth II. Transient and periodic accelerations
TL;DR: In this paper, the effects of single and multicomponent oscillatory residual accelerations on dopant distribution in gallium-doped germanium crystals grown by the Bridgman-Stockbarger technique are investigated numerically.
105
Surface and buoyancy driven free convection
L.G. Napolitano
- 01 Sep 1981
TL;DR: In this paper, a system of two interfacing immiscible fluids subject to an imposed temperature difference in a gravity field is considered, and an order of magnitude analysis is applied to determine: (i) the types of flow regimes that can be attained in natural, Marangoni or combined free convection; (ii) how the problem's data identify which type of free convective and of flow regime prevails in each specific case.
70
Low-gravity environment in Spacelab.
Walter Knabe,Dirk Eilers +1 more
TL;DR: Results of local g-jitter spectral measurements taken in the Spacelab Engineering Model (EM-1)/Long Module Configuration are presented for frequencies from less than 1 to 200 Hz.
32
Microgravity experiment acceleration tolerability on space orbiting laboratories
Rodolfo Monti,Raffaele Savino +1 more
TL;DR: In this article, a non-dimensional scaling analysis of the field equations under the assumption of high frequencies and small amplitudes of g jitter was carried out to assess the tolerability criteria for microgravity experiments in the presence of oscillatory and time-averaged fluid thermodynamic distortions induced by multiplefrequency excitation.
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