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Materials Processing in High Gravity pp 1–15Cite as

Introduction to Materials Processing in Large Centrifuges

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Abstract

This volume represents the proceedings of The Second International Workshop on Materials Processing at High Gravity, hosted by Clarkson University in June of 1993. Evidence continues to demonstrate the unique and advantageous features of centrifugation during materials processing.

In this book, the symbol “g” is sometimes used to represent Earth’s gravity and other times, especially in equations and dimensionless numbers, g designates the total acceleration vector. When g represents Earth’s gravity, then the magnitude of the total acceleration is expressed by Ng, where N is any positive number.

Through a combination of experiments and theory, we are gaining an understanding of centrifugation on phenomena of importance to materials processing. We find that it is necessary to consider not only acceleration, but also the Coriolis effect and the variation of acceleration with position. As one consequence, the vigor of buoyancy-driven convection is sometimes increased by centrifugation and sometimes decreased. Similarly, the tendency of the convection to become unstable or oscillatory may either be increased or decreased by centrifugation. On the other hand, the observed effects of centrifugation on product quality have largely gone unexplained. In this introduction, we summarize our current understanding of centrifugation effects as gained from the Workshop and the papers in this volume. We conclude with recommendations for future research efforts.

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  1. International Center for Gravity Materials Science and Applications, Clarkson University, Potsdam, NY, 13699-5700, USA

    Liya L. Regel & William R. Wilcox

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  1. Liya L. Regel
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Liya L. Regel William R. Wilcox

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Regel, L.L., Wilcox, W.R. (1994). Introduction to Materials Processing in Large Centrifuges. In: Regel, L.L., Wilcox, W.R. (eds) Materials Processing in High Gravity. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2520-2_1

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  • DOI: https://doi.org/10.1007/978-1-4615-2520-2_1

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