HIGH-TEMPERATURE PULSED SLIT NOZZLE FOR SUPERSONIC JET SPECTROMETRY

被引：4
|
作者：
LIN, CH
IMASAKA, T
机构：
[1] Faculty of Engineering, Kyushu University, Hakozaki
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1993年 / 64卷 / 10期
关键词：
D O I：
10.1063/1.1144354
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An interface converting a cone flow into a rectangular flow is attached to a conventional nozzle with a circular orifice. This assembly can be heated to 300-degrees-C, due to a metal-to-metal contact between an orifice and a plunger and to a Teflon-insulated copper wire of an electromagnet. At the top of the interface, two razor blades are attached to convert the rectangular flow into a slit flow. The enhancement factor (long axis/short axis) is 6 in fluorescence measurements. The signal intensity obtained by the slit nozzle is four times larger than the best value obtained by the conventional circular nozzle.
引用
收藏
页码：3026 / 3027
页数：2
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