About: Computational Methods for Assessment of Magnetic Forces Between Iron Nanoparticles and Their Influence on Aggregation

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About: Computational Methods for Assessment of Magnetic Forces Between Iron Nanoparticles and Their Influence on Aggregation Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.aspbs.com/asem/contents_asem2011.htm
Description	Zero-valent iron nanoparticles are being studied and used in frame of groundwater remediation technologies such as permeable reactive barriers and in-situ reagent. Their main advantages are that they would be able to migrate in porous medium and rapidly react in-situ due to their huge specific reaction surface. If not modified they rapidly aggregate and lose these properties, so many surface modifications are being suggested to stabilize them. One of the reasons of rapid particle aggregation is strong and long-range attractive magnetic forces among particles. The core of spherical particles is formed by zero-valent iron and their shell is composed from iron oxides, especially magnetite. The paper deals with examination of magnetic forces among bare particles without any surface modification. The magnetic field around an aggregate depends on aggregate structure and on structure of particles constituting the aggregate. We suppose that the magnitude of polarization vector of each single particle is the same and they differ only in directions of vector of polarization. In the presented work, the computational methods of magnetic forces are proposed and compared for the case of random structured model of aggregate. Zero-valent iron nanoparticles are being studied and used in frame of groundwater remediation technologies such as permeable reactive barriers and in-situ reagent. Their main advantages are that they would be able to migrate in porous medium and rapidly react in-situ due to their huge specific reaction surface. If not modified they rapidly aggregate and lose these properties, so many surface modifications are being suggested to stabilize them. One of the reasons of rapid particle aggregation is strong and long-range attractive magnetic forces among particles. The core of spherical particles is formed by zero-valent iron and their shell is composed from iron oxides, especially magnetite. The paper deals with examination of magnetic forces among bare particles without any surface modification. The magnetic field around an aggregate depends on aggregate structure and on structure of particles constituting the aggregate. We suppose that the magnitude of polarization vector of each single particle is the same and they differ only in directions of vector of polarization. In the presented work, the computational methods of magnetic forces are proposed and compared for the case of random structured model of aggregate. (en)
Title	Computational Methods for Assessment of Magnetic Forces Between Iron Nanoparticles and Their Influence on Aggregation Computational Methods for Assessment of Magnetic Forces Between Iron Nanoparticles and Their Influence on Aggregation (en)
skos:prefLabel	Computational Methods for Assessment of Magnetic Forces Between Iron Nanoparticles and Their Influence on Aggregation Computational Methods for Assessment of Magnetic Forces Between Iron Nanoparticles and Their Influence on Aggregation (en)
skos:notation	RIV/46747885:24220/11:#0001828!RIV12-MSM-24220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0554), P(FR-TI1/456)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Rosická, Dana Šembera, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...dnocenehoVysledku	191506
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/11:#0001828
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	model; magnetic forces; nanoparticles (en)
http://linked.open.../riv/klicoveSlovo	magnetic forces model nanoparticles
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[DD713A729519]
http://linked.open...i/riv/nazevZdroje	Advanced Science, Engineering and Medicine
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced Remedial Technologies and Processes *Development and implementation of the tools additively modulating soil and water bioremediation
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Rosická, Dana Šembera, Jan
issn	2164-6627
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1166/asem.2011.1090
http://localhost/t...ganizacniJednotka	24220

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