Small Grant for Exploratory Research: A New Optical Tech- nique for Flow Measurement
Small Grant for Exploratory Research: A New Optical Tech- nique for Flow Measurement
批准号:
9011071
负责人:
William Devenport
金额:
$3.22万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1990
资助国家:
美国
项目状态:
已结题
起止时间:
1990-07-15 至 1991-12-31
中文摘要
在探索性研究的小额拨款下,一种新型非侵入式激光测速仪系统的试点模型将被建立和测试。该系统通过一组非常小的光电二极管跟踪激光照射的粒子,并用电子钟对它们进行计时。通过单光束和适当的二极管阵列布置,可以实现多维速度能力。该系统在原理上比传统的LDV流量诊断系统简单得多。如果基于这个想法的可行系统能够被开发出来,它将为LDV系统提供一个坚固、便携和廉价的替代方案。
英文摘要
Under a Small Grant for Exploratory Research, a pilot model of a novel non-intrusive laser velocimeter system will be built and tested. The system tracks laser illuminated particles across an array of very small photodiodes and times them with an electronic clock. Multi-dimensional velocity capability is achievable with a single beam and suitable arrangements of diode arrays. The system is in principle much more simple than conventional LDV flow diagnostic systems. If a workable system based on this idea can be developed, it would offer a rugged, portable, and inexpensive alternative for LDV systems.
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