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Title: Acoustic building infiltration measurement system

Patent ·
OSTI ID:1434514
;

Systems and methods of detecting and identifying a leak from a container or building. Acoustic pressure and velocity are measured. Acoustic properties are acquired from the measured values. The acoustic properties are converted to infiltration/leakage information. Nearfield Acoustic Holography (NAH) may be one method to detect the leakages from a container by locating the noise sources.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-06CH11357
Assignee:
UChicago Argonne, LLC (Chicago, IL)
Patent Number(s):
9,939,343
Application Number:
14/503,071
OSTI ID:
1434514
Resource Relation:
Patent File Date: 2014 Sep 30
Country of Publication:
United States
Language:
English

References (9)

Photo-acoustic leak detection system and method patent November 1992
Detection of leaks in vessels patent October 1997
Ambient Noise Reduction Arrangements patent-application August 2010
Acoustic Holography patent-application May 2011
Application of BEM (boundary element method)‐based acoustic holography to radiation analysis of sound sources with arbitrarily shaped geometries journal July 1992
Leakage Detection Techniques Using Nearfield Acoustic Holography
  • Chelliah, Kanthasamy; Raman, Ganesh; Muehleisen, Ralph T.
  • ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels, 15 p. https://doi.org/10.1115/FEDSM2014-21320
conference August 2014
Nearfield acoustic holography: I. Theory of generalized holography and the development of NAH journal October 1985
Method of superposition applied to patch near-field acoustic holography journal August 2005
Helmholtz equation–least-squares method for reconstructing the acoustic pressure field journal October 1997

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