Modifications to Original Release

Changes from the Original Version to Version 2

Original Version: January 13, 2025, Version 2: January 19, 2025

General: updated the Table of contents to include this modification section

Page numbers refer to the original PDF.

page ii, added Version 2

page 154, included 2nd term in the 1D solute transport equation that is needed in some cases to accommodate low Peclet numbers

page 154, changed “The full version of this equation” to “This equation” because the full version is now included in this book

page 268, included 2nd term in solution of Exercise 24 which influence the calculated value of concentration at the x= 25 cm location

page 283, now followed by page A, to include this modification section

Changes from the Version 2 to Version 3

Version 2: January 19, 2025, Version 3: March 18, 2025

Page numbers refer to the version 2 PDF.

page iii, change version number and date

page 9, Equation 2, added negative sign to Darcy’s Law and a sentence at the end of the subsequent paragraph stating “The negative sign indicates that flow is in the opposite direction of the gradient.”

page 24, Equation 23, added negative sign to Darcy’s Law

page 25, Equation 24, added negative sign to Darcy’s Law

page 35, Equation 33, added negative sign to Darcy’s Law

page 39, Equation 35, added negative sign to Darcy’s Law

page 41, Equation 38, added negative sign to Darcy’s Law

page 51, Equation 44, added negative sign to Darcy’s Law

page 57, Equation 59, added negative sign to Darcy’s Law

page 118, Equation 89, added negative sign to Darcy’s Law

page 118, Equation 90, added negative sign to Ohm’s Law

page 118, Equation 90, change to continuous form to be more parallel to Equation 89

page 145, Equation 93, added negative sign to Darcy’s Law

page 248, Solution Exercise 3, added statements indicating the direction of the gradients

page 250, Solution Exercise 5, added statement indicating the direction of the velocity