专利名称：Gas velocity measurement by infrared
radiation absorption
发明人：John Hyde申请号：US10472832申请日：20030922
公开号：US20040113081A1公开日：20040617
专利附图：
摘要：The velocity of a flowing gas is measured by detecting the pattern of infraredabsorption of the gas stream at two locations () spaced apart in the direction of flow andmeasuring the time lapse between the sensing of the same radiation pattern by the first
and second sensors. The velocity can be derived from the time lapse and the knowndistance between the sensors. In this way, the velocity of particulate-free gas flows canbe measured.
申请人：HYDE JOHN
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