Gas Phase and Surface Chemistry of Nitrogen in a Quartz Tube Using Vacuum Ultraviolet Single-Photon Ionization Time-of-Flight Mass Spectrometry (VUV-SPI-TOFMS)
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概要
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Chemical kinetic mechanisms of nitrogen compounds in combustion processes have been studied for many years. However, the models so far proposed have not been able to completely predict experimental results under some conditions in which surface reactions are expected to play an important role. Further investigation of a kinetic model for NO chemistry has been needed, and for this reason a kinetic model of nitrogen compounds both in a gas phase and on a quartz surface was developed in this study. The N/H/O mechanism developed by modifying earlier gas phase kinetic models was evaluated. However, the proposed mechanism was not able to reproduce the experimental results obtained from the vacuum ultraviolet single-photon ionization time-of-flight mass spectrometry (VUV-SPI-TOFMS). The N/H/O mechanism including both gas phase reactions and surface reactions was proposed in this study. It is suggested that under the present experimental conditions the surface reactions on SiO2 are effective for both NH3 oxidation and NO chemistry based on model predictions that included both gas phase and surface reactions on SiO2.
- 2008-11-01
著者
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Yamamoto Mitsuo
College Of Arts And Sciences The University Of Tokyo
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KOSHI Mitsuo
Rocket Modeling Laboratory, Faculty of Engineering, The University of Tokyo
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Yamamoto Mitsuo
Coll. Of Arts And Sciences The Univ. Of Tokyo
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Koshi Mitsuo
Rocket Modeling Laboratory Faculty Of Engineering The University Of Tokyo
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- Gas Phase and Surface Chemistry of Nitrogen in a Quartz Tube Using Vacuum Ultraviolet Single-Photon Ionization Time-of-Flight Mass Spectrometry (VUV-SPI-TOFMS)
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