Diagnostics and modeling of strained fuel-rich acetylene/oxygen flames used for diamond deposition

被引:29
作者
Glumac, NG [1 ]
Goodwin, DG [1 ]
机构
[1] CALTECH, DIV ENGN & APPL SCI, PASADENA, CA 91125 USA
关键词
D O I
10.1016/0010-2180(95)00214-6
中图分类号
O414.1 [热力学];
学科分类号
摘要
Low pressure (35 torr) strained acetylene/oxygen flames similar to those used for diamond chemical vapor deposition are studied using laser-induced fluorescence (LIF) and mass spectrometry. Relative OH concentration and OH rotational temperature profiles are obtained by LIF, while absolute mole fractions of C2H2, CH4, H-2, and CO are measured at the substrate by mass spectrometry. The results of the diagnostics are compared with the predictions of a one-dimensional strained flame code. The agreement between model prediction and experiment is generally good and usually within experimental uncertainties.
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页码:321 / 331
页数:11
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