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METHOD FOR QUANTITATIVE ESTIMATION OF FOULING OF THE SPACERS PLATES IN A STEAM GENERATOR

  • US 20170003215A1
  • Filed: 12/23/2014
  • Published: 01/05/2017
  • Est. Priority Date: 12/23/2013
  • Status: Abandoned Application
First Claim
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1. A method for evaluating the fouling of passages of a spacer plate of a heat exchanger with tubes, said passages being made along the tubes for crossing the spacer plate by a fluid, wherein, for at least one passage:

  • at least one measurement of a parameter depending on the fouling or on the presence of magnetite is conducted in the vicinity of the passage by means of an eddy current probe,at least one fouling indicator of said passage is derived from this measurement, wherein the fouling is evaluated by comparing a set of one or several vectors of fouling indicators with a dimension of at least two, built from the thereby obtained fouling indicators, with a plurality of sets of vectors of fouling indicators contained in a database, each of said sets of vectors of indicators being associated with a quantitative fouling descriptor.

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