Method and apparatus for remote dection and thickness measurement of solid or liquid layer

AuthorSearch for:
TypeTechnical Report
Series titleUnited States Patent; no. IP-1996-01
AbstractThere is described a method and apparatus for detection and thickness evaluation of a buildup of a solid, e.g. ice, or liquid on a solid surface, such as ice on a body of an aircraft. The apparatus comprises a source of a narrow beam of radiation and a means for remote evaluation of the size of a luminous area created on the solid surface by the beam. The method of the invention involves measuring the size of the luminous area and determining the thickness of any built-up layer, if sufficiently transparent, using a formula which uses the dependency of the size of the luminous are on the thickness of the layer and the refraction index of the medium. Differentiation between ice and a liquid is possible by evaluating regularity of illumination of the luminous area.
Publication date
PublisherNational Research Council Canada. Institute for Ocean Technology
AffiliationNRC Institute for Ocean Technology; National Research Council Canada; Ocean, Coastal and River Engineering
Peer reviewedNo
NRC number5806
NPARC number8895641
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Record identifierbcc727ee-30fe-46cd-88a9-a7d0ef9538e8
Record created2009-04-22
Record modified2016-10-03
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