Thermophoretic separation of a ferrofluid-water emulsion: preliminary experiments

被引：2

作者：

Blums, E ^{[1
]}

Mezulis, A

Buske, N

Maiorov, M

机构：

[1] Latvian State Univ, Inst Phys, LV-2169 Salaspils, Latvia

[2] Mediport Kardiotechn GmbH, D-12247 Berlin, Germany

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2002年 / 252卷 / 1-3期

关键词：

thermodiffusion; separation; emulsion; Soret coefficient;

D O I：

10.1016/S0304-8853(02)00616-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Soret effect in an emulsion (microdroplets of hydrocarbon based ferrofluid in water) is evaluated from the separation measurements in vertical thermodiffusion column. The particle concentration in column ends is detected from the resonance frequency of LC oscillators with inductance coils mounted inside the column ends. The Soret coefficient S-T of droplets is calculated from the initial part of dynamic separation curves. The measured value S-T = -480 K-1 agrees qualitatively well with the calculated one found assuming the Maragoni-type transfer of liquid particles. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：215 / 217

页数：3

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