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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b03978
|2 doi
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|a pubmed24n0892.xml
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|e rakwb
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|a eng
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| 100 |
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|a Sankaran, A
|e verfasserin
|4 aut
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|a Evidence of Faradaic Reactions in Electrostatic Atomizers
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|c 2017
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 18.04.2018
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|a Date Revised 18.04.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Any rational theory of electrostatic atomizers (EAs) would require a detailed understanding of the nature of the polarized layer near the electrode, since this is the source of the electric charge carried by the jets issued from the EAs. The polarized layer either is driven out as the electrically-driven Smoluchowski flow and/or entrained by the viscous shear imposed by the bulk flow. The standard Gouy-Chapman theory of polarized diffuse layers implies zero electric current passing across the layer, which is impossible to reconcile with the fact that there are leak currents in the EAs. Here, we show that the electric current through the EA is controlled by faradaic reactions at the electrodes. The experiments were conducted with stainless steel or brass pin-like cathodes and three different anode (the conical nozzle) materials, which were copper, stainless steel, and brass. The different electrode materials resulted in different spray, leakage, and total currents in all the cases. Accordingly, it is shown that the total electric current generated by EAs can be controlled by the cathode and anode materials, i.e., by faradaic reactions on them. This lays the foundation for a more detailed understanding and description of the operation of EAs
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Staszel, C
|e verfasserin
|4 aut
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|a Sahu, R P
|e verfasserin
|4 aut
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|a Yarin, A L
|e verfasserin
|4 aut
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|a Mashayek, F
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 6 vom: 14. Feb., Seite 1375-1384
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:33
|g year:2017
|g number:6
|g day:14
|g month:02
|g pages:1375-1384
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|u http://dx.doi.org/10.1021/acs.langmuir.6b03978
|3 Volltext
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