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Interactive Dynamics of Convection and Solidification - Peter Ehrhard

Interactive Dynamics of Convection and Solidification

By: Peter Ehrhard (Editor), David S. Riley (Editor), Paul H. Steen (Editor)

Hardcover Published: 30th June 2001
ISBN: 9780792370208
Number Of Pages: 272

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Crystal growth, casting, soldering, welding, high-energy surface treatment, nuclear safety systems and geophysical flows are just a few examples where solidification and convection occur together. These processes are interactive on micro- and macroscales: flow affects the distribution of heat and species and hence the freezing process, while solidification evolves flow boundaries, as in crusting, for example, and hence can radically alter the convection. Mathematical modellers, experimentalists and applied scientists were invited to this colloquium with the aim of consolidating our understanding of such interactions, of identifying key outstanding issues, and of developing new approaches in this important area of fundamental research. Both invited and contributed papers focus on both fundamental and technologically relevant problems.

Prefacep. ix
Microscale phenomena
Flow-induced morphologies in directional solidificationp. 3
Localized morphologies in directional solidification of binary alloysp. 5
Long wave and short wave oscillatory patterns in rapid directional solidificationp. 13
Stability of solidifying material in an under-cooled melt with convectionp. 25
Time-dependent behavior of dendrites under diffusion-controlled conditionsp. 33
Velocity and shape selection of dendritic crystals in a forced flowp. 47
Simulation of natural convection effects on dendritic growthp. 57
Measurements of liquid diffusion coefficientsp. 59
Mushy zone phenomena
Interfaces on all scalesp. 69
Mushy zones with fully developed chimneysp. 71
Model for meso-segregation in forced convection using phase-averagingp. 81
Coupling macro and micro phenomena during solidification of alloysp. 91
Mechanical characteristics of semi-solid steelsp. 99
Solidification in ternary systemsp. 113
Phase transitions in liquid crystalline elastomersp. 123
Macroscale phenomena
Recent developments in modelling continuous casting of steelp. 135
Magnetic stirring in horizontal continuous castingp. 137
Solidification-induced secondary flows in spin-castingp. 145
Spreading flows with solidification - top crustingp. 155
Melt spreading with temperature-dependent viscosityp. 165
Convection in transient flows of solidifying oxidic mixturesp. 177
Axisymmetric spreading of melts with basal solidificationp. 187
The wetting of metallic substrates by low melting point alloysp. 195
Solidifying sessile water dropletsp. 209
Convection and interface shape during Czochralski crystal growthp. 227
A moving grid model for melting and solidification problemsp. 235
In-situ real-time visualization of solidifying and melting metallic alloysp. 243
Freezing of pure melt flowing into tubesp. 249
Topic Indexp. 269
Author Indexp. 271
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780792370208
ISBN-10: 0792370201
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 272
Published: 30th June 2001
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.5 x 15.5  x 1.4
Weight (kg): 1.28