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Title:
METHOD AND APPARATUS FOR DETERMINING GAS FLUX
Document Type and Number:
WIPO Patent Application WO/2011/130320
Kind Code:
A3
Abstract:
Disclosed embodiments of the present invention provide means to obtain correct gas density and flux measurements using (i) gas analyzer (open-path, or closed-path gas analyzers with short intake tube, for example 1 m long, or any combination of the two); (ii) fast temperature or sensible heat flux measurement device (such as, fine-wire thermocouple, sonic anemometer, or any other device providing fast accurate gas temperature measurements); (iii) fast air water content or latent heat flux measurement device (such as, hygrometer, NDIR analyzer, any other device providing fast accurate gas water content measurements); (iv) vertical wind or sampling device (such as sonic anemometer, scintillometer, or fast solenoid valve, etc.) and (v) algorithms in accordance with the present invention to compute the corrected gas flux, compensated for T-P effects. In case when water factor in T-P effects is negligible, the fast air water content or latent heat flux measurement device (item iii in last paragraph) can be excluded.

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Inventors:
BURBA GEORGE (US)
MCDERMITT DAYLE (US)
KOMISSAROV ANATOLY (US)
ANDERSON TYLER G (US)
XU LIUKANG (US)
RIENSCHE BRADLEY A (US)
Application Number:
PCT/US2011/032180
Publication Date:
February 23, 2012
Filing Date:
April 12, 2011
Export Citation:
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Assignee:
LI COR INC (US)
BURBA GEORGE (US)
MCDERMITT DAYLE (US)
KOMISSAROV ANATOLY (US)
ANDERSON TYLER G (US)
XU LIUKANG (US)
RIENSCHE BRADLEY A (US)
International Classes:
G01D21/02; G01N27/12; G06F19/00
Foreign References:
US7365352B22008-04-29
US6121617A2000-09-19
US5838008A1998-11-17
JP2008116263A2008-05-22
Other References:
See also references of EP 2558823A4
Attorney, Agent or Firm:
GRAY, Gerald, T. et al. (Two Embarcadero Center 8th Floo, San Francisco California, US)
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