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Title: Controlling the column spacing in isothermal magnetic advection to enable tunable heat and mass transfer.

Abstract

Isothermal magnetic advection (IMA) is a recently discovered method of inducing highly organized, non-contact flow lattices in suspensions of magnetic particles, using only uniform ac magnetic fields of modest strength. The initiation of these vigorous flows requires neither a thermal gradient nor a gravitational field, and so can be used to transfer heat and mass in circumstances where natural convection does not occur. These advection lattices are comprised of a square lattice of antiparallel flow columns. If the column spacing is sufficiently large compared to the column length and the flow rate within the columns is sufficiently large, then one would expect efficient transfer of both heat and mass. Otherwise, the flow lattice could act as a countercurrent heat exchanger and only mass will be efficiently transferred. Although this latter case might be useful for feeding a reaction front without extracting heat, it is likely that most interest will be focused on using IMA for heat transfer. In this paper, we explore the various experimental parameters of IMA to determine which of these can be used to control the column spacing. These parameters include the field frequency, strength, and phase relation between the two field components, the liquid viscosity, andmore » particle volume fraction. Finally, we find that the column spacing can easily be tuned over a wide range to enable the careful control of heat and mass transfer.« less

Authors:
 [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1344457
Alternate Identifier(s):
OSTI ID: 1344468
Report Number(s):
SAND-2012-7177J
Journal ID: ISSN 0021-8979; 596993
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 112; Journal Issue: 9; Journal ID: ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Solis, Kyle Jameson, and Martin, James E. Controlling the column spacing in isothermal magnetic advection to enable tunable heat and mass transfer.. United States: N. p., 2012. Web. doi:10.1063/1.4764308.
Solis, Kyle Jameson, & Martin, James E. Controlling the column spacing in isothermal magnetic advection to enable tunable heat and mass transfer.. United States. doi:10.1063/1.4764308.
Solis, Kyle Jameson, and Martin, James E. Thu . "Controlling the column spacing in isothermal magnetic advection to enable tunable heat and mass transfer.". United States. doi:10.1063/1.4764308. https://www.osti.gov/servlets/purl/1344457.
@article{osti_1344457,
title = {Controlling the column spacing in isothermal magnetic advection to enable tunable heat and mass transfer.},
author = {Solis, Kyle Jameson and Martin, James E.},
abstractNote = {Isothermal magnetic advection (IMA) is a recently discovered method of inducing highly organized, non-contact flow lattices in suspensions of magnetic particles, using only uniform ac magnetic fields of modest strength. The initiation of these vigorous flows requires neither a thermal gradient nor a gravitational field, and so can be used to transfer heat and mass in circumstances where natural convection does not occur. These advection lattices are comprised of a square lattice of antiparallel flow columns. If the column spacing is sufficiently large compared to the column length and the flow rate within the columns is sufficiently large, then one would expect efficient transfer of both heat and mass. Otherwise, the flow lattice could act as a countercurrent heat exchanger and only mass will be efficiently transferred. Although this latter case might be useful for feeding a reaction front without extracting heat, it is likely that most interest will be focused on using IMA for heat transfer. In this paper, we explore the various experimental parameters of IMA to determine which of these can be used to control the column spacing. These parameters include the field frequency, strength, and phase relation between the two field components, the liquid viscosity, and particle volume fraction. Finally, we find that the column spacing can easily be tuned over a wide range to enable the careful control of heat and mass transfer.},
doi = {10.1063/1.4764308},
journal = {Journal of Applied Physics},
number = 9,
volume = 112,
place = {United States},
year = {2012},
month = {11}
}

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Works referenced in this record:

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    Works referencing / citing this record:

    Driving self-assembly and emergent dynamics in colloidal suspensions by time-dependent magnetic fields
    journal, November 2013


    Efficient mass transport by optical advection
    journal, October 2015

    • Kajorndejnukul, Veerachart; Sukhov, Sergey; Dogariu, Aristide
    • Scientific Reports, Vol. 5, Issue 1
    • DOI: 10.1038/srep14861