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FLUID ASSESSMENT DEVICE AND METHOD
专利权人:
发明人:
申请号:
EP12874206.1
公开号:
EP2837327A1
申请日:
2012.04.13
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
A fluid assessment apparatus (1) has an irradiating device (11) irradiating measurement target (100) in which a fluid flows with a laser light (LB) a light receiving device (12) which is capable of receiving the laser light with which the measurement target is irradiated a first calculating device (143) which calculates a concentration (N) of the fluid from a first received light signal based on a signal intensity of a received light signal which the light receiving device receives and a second calculating device (146) which calculates at least one of a flow volume (Q) of the fluid and a flow velocity (v) of the fluid from (i) a second received light signal based on a variation of a frequency of the received light signal which is caused by a Doppler shift of the laser light with which the measurement target is irradiated and (ii) the concentration which the first calculating device calculates.
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