Tracer Interpretation Using Temporal Moments on a Spreadsheet G

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CONTENTS ABSTRACT.................................................................................................................................................iii ACKNOWLEDGMENTS ............................................................................................................................ v NOMENCLATURE .................................................................................................................................... ix 1. INTRODUCTION.............................................................................................................................. 1 1.1 Background and Motivation .................................................................................................. 1 2. MOMENT ANALYSIS PROCEDURE............................................................................................. 3 2.1 Correcting for Thermal Decay............................................................................................... 3 2.2 Normalizing the Concentration History ................................................................................ 3 2.3 Deconvolving the <strong>Tracer</strong> History .......................................................................................... 3 2.4 Extrapolating the History to Long Time................................................................................ 5 2.5 Calculating Mean Residence Times ...................................................................................... 5 2.6 Determining Pore Volume..................................................................................................... 6 2.7 Calculating Flow Geometry .................................................................................................. 6 3. ASSUMPTIONS AND LIMITATIONS............................................................................................ 7 4. EXAMPLE MOMENT ANALYSIS.................................................................................................. 8 4.1 Instructions ............................................................................................................................ 8 5. POTENTIAL PROBLEMS AND OBSERVATIONS ..................................................................... 15 6. REFERENCES................................................................................................................................. 16 FIGURES 1. Example of a Raw Data sheet in the <strong>Tracer</strong>Analysis file. ....................................................................... 9 2. A portion of Deconv before running the Deconvolution macro. ............................................................. 9 3. The Deconv sheet after running the Deconvolution macro. .................................................................. 11 4. The original (Eapp) and corrected (Ecorr) tracer histories after running Deconv. ................................ 12 5. The ExponDecay plot after running ExponentialDecay. ....................................................................... 13 6. A portion of the MoM sheet after running UpdateMoM. .................................................................... 13 7. The F- diagram for the present example. ............................................................................................ 14 vii
viii
Page 1 and 2: INL/EXT-05-00400 Tracer</st
Page 3 and 4: NOTICE This computer software was p
Page 6: ACKNOWLEDGMENTS The authors thank t
Page 12 and 13: Tracer Int
Page 14 and 15: 2. MOMENT ANALYSIS PROCEDURE The st
Page 16 and 17: error is introduced by the deconvol
Page 18 and 19: 3. ASSUMPTIONS AND LIMITATIONS Mome
Page 20 and 21: Figure 1. Example of a Raw Data she
Page 22 and 23: Volumetric Rate Used The greater of
Page 24 and 25: Figure 5. The ExponDecay plot after
Page 26 and 27: 5. POTENTIAL PROBLEMS AND OBSERVATI

Tracer Interpretation Using Temporal Moments on a Spreadsheet G

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