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Laurent Bernier (M.Sc.)
- © Laurent Bernier
laurent.bernier@tnt.tu-berlin.de
+49 (0)30 314 24734 (Tel)
+49 (0)30 314 22638 (Fax)
Office: VWS 119
Post: TU-Berlin, Sekr. MB1
Müller-Breslau-Straße 15
10623 Berlin
Research
Research Interests:
- Fluid dynamics
- Transport of loaded particles in gas
- Electrical fields
Projects:
- Analysis and Simulation of ion-laden gas flow through capillaries (DFG project)
(2017 - today)
Scientific Contributions
| Citation key | Bernier2019 |
|---|---|
| Author | Laurent Bernier and Markus Taesch and Stephan Rauschenbach and Julius Reiss |
| Pages | 116239 |
| Year | 2020 |
| ISSN | 1387-3806 |
| DOI | https://doi.org/10.1016/j.ijms.2019.116239 |
| Journal | International Journal of Mass Spectrometry |
| Volume | 447 |
| Abstract | A detailed study of the transport of ions in transfer capillaries of electrospray ion sources is presented. The laminar flow field for various capillary sizes and wall temperatures is calculated. It forms the base of ion transfer simulation of a large number of ions with space charge. This allows to study the thermodynamical conditions of the ions during transfer, which are found to vary strongly with the capillary dimensions. The dependence of mass flow and ion current on the size of the capillary is presented. Simple scaling relations are derived and tested. The method also allows to predict a transmission bias between different ion species depending on the difference in ion mobility and the composition of transferred ion clouds. |
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