Acquisition of a Phase Doppler Particle Analyzer

*9512441蒙塔泽这项来自学术研究基础设施项目的奖项将帮助乔治华盛顿大学化学系获得一台相位多普勒粒子分析仪。将支持的研究活动包括：(1)研究用于元素分析的分析光谱分析中的新型雾化系统和高温氦等离子体，(2)研究激光烧蚀金属、绝缘体和高温超导体产生的羽流，(3)研究扩散火焰中污染物的产生和监测，这是天然气工业感兴趣的一个领域，(4)开发高效实用的高阶计算方法，用于模拟由非定常非线性三维偏微分方程组描述的物理现象。相位多普勒粒子分析仪(PDPA)是元素分析光谱分析中用于研究雾化系统和高温氦等离子体的重要诊断仪器。它提供了样品气溶胶的颗粒大小和颗粒速度分布的信息。***

*** 9512441 MONTASER This award from the Academic Research Infrastructure Program will help the Department of Chemistry at George Washington University acquire a Phase-Doppler Particle Analyzer. The research activity to be supported includes: (1) investigation of novel nebulization systems and high-temperature helium plasmas in analytical spectrometry for elemental analysis, (2) investigation of plumes generated by laser ablation from metals, insulators, and high-transition temperature superconductors, (3) investigations of the production and monitoring of pollutants in diffusion flames, an area of interest for the gas industry, (4) development of efficient practical high-order computational methods for the simulation of physical phenomena described by unsteady nonlinear three-dimensional partial differential equations. The Phase-Doppler Particle Analyzer (PDPA) is a key diagnostic instrument which is used when studying nebulization systems and high temperature helium plasmas in analytical spectrometry for elemental analysis. It gives information on particle-size and particle-velocity distribution of sample aerosol. ***