PIEZOELECTRIC PRESSURE TRANSDUCER TECHNIQUE FOR OXIDIZING ATMOSPHERES

被引：0
|
作者：
ROBERTS, TA
BURTON, RL
机构：
[1] University of Illinois, Department of Aeronautical and Astronautical Engineering, Urbana, IL 61801
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1992年 / 63卷 / 07期
关键词：
D O I：
10.1063/1.1143274
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The diaphragm sensing tip of a high-speed piezoelectric pressure transducer can be destroyed when measuring transient impulse pressures in hot oxidizing atmospheres, e.g., oxygen at 3000 K and 34 atm for times of tens of milliseconds. A technique is presented to preserve the transducer under these conditions, which uses a protective layer of 0.025-0.050-mm-thick brass foil, held in place with double-sided tape. The integrity of the transducer is preserved, and the response time to a shock wave is increased from 1 to 2-6-mu-s using the technique.
引用
收藏
页码：3787 / 3788
页数：2
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