Modeling of Magnetohydrodynamic Flows in Electromagnetic Levitation

Bracker, G. P.; Hyers, R. W.

doi:10.1007/978-3-030-89784-0_13

Cited by 2 publications

(2 citation statements)

References 32 publications

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“…In addition, the fluid flow, driven by the positioner field can be sufficiently low, to prevent turbulent flows. 46,66 Currently, an EML (ISS-EML) is installed on board the European science module 'Columbus' on the ISS. A similar device, called TEMPUS ('Tiegelfreies ElektroMagnetisches Prozessieren unter Schwerelosigkeit', Engl.…”

Section: Containerless Methodsmentioning

confidence: 99%

Viscosity of liquid Ni-based industrial alloys: experiments versus theory

Novakovic,

Giuranno,

Mohr

et al. 2024

International Materials Reviews

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The aim of this review is to succinctly review recent progress in experimental and theoretical investigation of the viscosity of binary and multicomponent Ni–Al-based industrial alloys, summarising the current state of knowledge of the topic. Viscosity data are important for simulation of microstructural evolution during solidification-related processes such as casting. Therefore, to obtain accurate predictions of defect-free microstructure, only reliable input data are required. Based on the synergy between experiment and theory, a review of the literature provides a critical evaluation of temperature- and composition-dependent viscosity data available from existing studies carried out over the last 60 years. The purpose of this review is threefold: to discuss container-based viscometer methods and alternative containerless processing via electromagnetic levitation during parabolic flights and on board the International Space Station; to analyse the viscosity models including their validation; and to refer to the first two points, to interpret the viscosity data.

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Section: Containerless Methodsmentioning

confidence: 99%

Viscosity of liquid Ni-based industrial alloys: experiments versus theory

Novakovic,

Giuranno,

Mohr

et al. 2024

International Materials Reviews

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“…Further details on the magnetic model are described by Hyers et al 12 and Bracker et al 13 The ow is modeled using computational uid dynamics (CFD) in conjunction with the magnetic model. The work presented here uses ANSYS Fluent to calculate the ow present during the experiment.…”

Section: Model Detailsmentioning

confidence: 99%

Examining the Influence of Turbulence on Viscosity Measurements of Molten Germanium under Reduced Gravity

Bracker

Luo

Damaschke

et al. 2022

Preprint

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The thermophysical properties of liquid germanium were recently measured both in parabolic flight experiments and on the ISS in the ISS-EML facility. The viscosity measurements differed between the reduced gravity experiments and the literature values. Since the oscillating drop method has been widely used in EML, further exploration into this phenomenon was of interest. Models of the magnetohydrodynamic flow indicated that turbulence was present during the measurement in the ISS-EML facility which accounts for the observed difference.

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Modeling of Magnetohydrodynamic Flows in Electromagnetic Levitation

Cited by 2 publications

References 32 publications

Viscosity of liquid Ni-based industrial alloys: experiments versus theory

Viscosity of liquid Ni-based industrial alloys: experiments versus theory

Examining the Influence of Turbulence on Viscosity Measurements of Molten Germanium under Reduced Gravity

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