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Моделирование времяпролетного масс-анализатора на основе клиновидного поля

выпускная квалификационная работа бакалавра

Моделирование времяпролетного масс-анализатора на основе клиновидного поля

Abstract

Данная работа посвящена моделированию и проверке работы в различных режимах с целью оптимизации времяпролетного масс-анализатора на основе клиновидного поля, категория времяпролетных анализаторов является одной из наиболее распространенных типов масс-анализаторов являющегося одним из наиболее распространенных типов масс-анализаторов. Для данных целей были использованы прикладные программы Simion 3D 7.0 и COMSOL Multiphysics. Была построена модель устройства, воспроизведены рабочие режимы, рассчитаны основные параметры, влияющие на точность и чувствительность анализатора. Были проведены численные эксперименты, которые показали, что клиновидный масс-анализатор обладает в определении масс анализируемых ионов и чувствительностью при правильном выборе параметров его работы. Разработанная модель может быть использована для проектирования и оптимизации клиновидных масс-анализаторов в различных областях науки и техники.

This work is devoted to modeling and verification of operation in various modes in order to optimize a time-of-flight mass analyzer based on a wedge-shaped field, time-of-flight mass analyzers are one of the most common types of mass analyzers. For these purposes, the Simion 3D 7.0 and COMSOL Multiphysics applications were used. The model of the device was designed, the main operation modes were modelled and the main parameters were calculated, the last affect the accuracy and sensitivity of the analyzer. Numerical experiments were carried out, which showed that the wedge-shaped mass analyzer has high accuracy in analyzed ion mass definition and sensitivity with the right choice of its parameters. The developed model can be used to design and optimize wedge-shaped mass analyzers in various fields of science and technology.

Keywords

wedge-shaped inhomogeneous field, time-of-flight mass analyzer, клиновидное неоднородное поле, orthogonal accelerator, масс-спектрометрия, ортогональный ускоритель, времяпролетный масс-анализатор, mass spectrometry

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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