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ChE/CEES Colloid Science Group Presentation Part 1 duration 1 hour 17 minutes ChE/CEES Colloid Science Group Presentation Part 1 ChE/CEES Colloid Science Group Presentation Part 1	ChE/CEES Colloid Science Group Presentation Part 1 Presentations by groups 4, 6, 2 and 3 harw8589 From Jeffrey Harwell 0 likes 3 plays 0
ChE 3723 F2020 Lecture 37 HW 14 Discussion… duration 58 minutes 34 seconds ChE 3723 F2020 Lecture 37 HW 14 Discussion… ChE 3723 F2020 Lecture 37 HW 14 Discussion 12/3/2020	ChE 3723 F2020 Lecture 37 HW 14 Discussion 12/3/2020 In this final lecture of the semester we look at the solution of HW 14 to illustrate the use of the method of lines for solving PDEs. There is also a comparison to the explicit method, the implicit… harw8589 From Jeffrey Harwell 0 likes 3 plays 0
ChE/CEES 5673 Colloid Science Lecture 24… duration 1 hour 13 minutes ChE/CEES 5673 Colloid Science Lecture 24… ChE/CEES 5673 Colloid Science Lecture 24 Surfactant Types	ChE/CEES 5673 Colloid Science Lecture 24 Surfactant Types In this last session of the semester we'll take a quick overview of the principle surfactant types found in commercial and industrial applications of surfactants, today. This session goes with… harw8589 From Jeffrey Harwell 0 likes 11 plays 0
ChE 3723 F2020 Lecture 36 Other Methods for… duration 54 minutes 13 seconds ChE 3723 F2020 Lecture 36 Other Methods for… ChE 3723 F2020 Lecture 36 Other Methods for Parabolic PDEs	ChE 3723 F2020 Lecture 36 Other Methods for Parabolic PDEs We previously looked at using the Method of Lines to integrate the system of ordinary differential equations we obtain when we discretize a PDE in the spatial dimension. This enables us to use our RK… harw8589 From Jeffrey Harwell 0 likes 5 plays 0
ChE/CEES 5673 Lecture 23 Cleaning System… duration 1 hour 17 minutes ChE/CEES 5673 Lecture 23 Cleaning System… ChE/CEES 5673 Lecture 23 Cleaning System Technology 11/30/2020	ChE/CEES 5673 Lecture 23 Cleaning System Technology 11/30/2020 In today's lecture we look at the scientific basis for the $100 B detergent industry and the closely associated industrial and institutional cleaning industries. These industries are large… harw8589 From Jeffrey Harwell 0 likes 10 plays 0
ChE 3723 F2020 Lecture 34 Solving a Parabolic PDE… duration 58 minutes 37 seconds ChE 3723 F2020 Lecture 34 Solving a Parabolic PDE… ChE 3723 F2020 Lecture 34 Solving a Parabolic PDE in Excel with VBA 11/23/2020	ChE 3723 F2020 Lecture 34 Solving a Parabolic PDE in Excel with VBA 11/23/2020 Here we introduce the method of lines as a straight-forward extension of the Runge-Kutta methods developed in chapters 8 and 9 to the solution of partial differential equations. We also discuss the… harw8589 From Jeffrey Harwell 0 likes 4 plays 0
ChE/CEES Colloid Science Lecture 22 Foams duration 1 hour 11 minutes ChE/CEES Colloid Science Lecture 22 Foams ChE/CEES Colloid Science Lecture 22 Foams	ChE/CEES Colloid Science Lecture 22 Foams In this session we discuss the mechanisms of foam formation and foam stability, which we explain in terms of film elasticity and film drainage. We look at the Gibbs/Marangoni effect and Plateau… harw8589 From Jeffrey Harwell 0 likes 15 plays 0
ChE 3723 F2020 Lecture 32 Using dimensionless… duration 51 minutes 31 seconds ChE 3723 F2020 Lecture 32 Using dimensionless… ChE 3723 F2020 Lecture 32 Using dimensionless variables with a PDE	ChE 3723 F2020 Lecture 32 Using dimensionless variables with a PDE We continue our discussion of PDE solution methods with a discussion of the value of using dimensionless variables, and the pluses and minuses of this transformation of the PDE. harw8589 From Jeffrey Harwell 0 likes 20 plays 0
ChE 3723 F2020 11/20/2020 Lecture 33 PDEs and… duration 50 minutes 44 seconds ChE 3723 F2020 11/20/2020 Lecture 33 PDEs and… ChE 3723 F2020 11/20/2020 Lecture 33 PDEs and Finite Differences	ChE 3723 F2020 11/20/2020 Lecture 33 PDEs and Finite Differences Illustrates the use of numerical derivatives to represent the solution to a partial differential equation using discrete points on a multidimensional grid. harw8589 From Jeffrey Harwell 0 likes 2 plays 0
ChE/CEES Colloid Science Lecture 21 Dispersions… duration 1 hour 13 minutes ChE/CEES Colloid Science Lecture 21 Dispersions… ChE/CEES Colloid Science Lecture 21 Dispersions Part 3	ChE/CEES Colloid Science Lecture 21 Dispersions Part 3 A continuation of our discussion of dispersions including a look at points of zero charge and how knowledge of the point of zero charge effects selection of a surfactant to use as a dispersant. harw8589 From Jeffrey Harwell 0 likes 13 plays 0
ChE/CEES Colloid Science Lecture 20 Dispersions… duration 1 hour 1 minute ChE/CEES Colloid Science Lecture 20 Dispersions… ChE/CEES Colloid Science Lecture 20 Dispersions Part 2	ChE/CEES Colloid Science Lecture 20 Dispersions Part 2 Here we continue our discussion of dispersions, specifically, solids dispersed in liquids. We distinguish between colloidal or Brownian dispersions, where particles stay suspended by Brownian motion,… harw8589 From Jeffrey Harwell 0 likes 12 plays 0
ChE 3723 F2020 Lecture 28 HW 13 and BVPs… duration 46 minutes 28 seconds ChE 3723 F2020 Lecture 28 HW 13 and BVPs… ChE 3723 F2020 Lecture 28 HW 13 and BVPs 10/19/2020	ChE 3723 F2020 Lecture 28 HW 13 and BVPs 10/19/2020 In this session we look at my solutions to HW 13 and review the types of BVPs that might occur on your 3rd exam and final exam. harw8589 From Jeffrey Harwell 0 likes 4 plays 0
ChE/CEES Colloid Science Lecture 19… duration 1 hour 13 minutes ChE/CEES Colloid Science Lecture 19… ChE/CEES Colloid Science Lecture 19 Demulsification Theory and Dispersion Stability Part 1	ChE/CEES Colloid Science Lecture 19 Demulsification Theory and Dispersion Stability Part 1 This session begins with wrapping up our discussion of emulsions by looking at the problem of emulsion breaking, then begins the discussion of dispersion stability. harw8589 From Jeffrey Harwell 0 likes 24 plays 0
ChE 3723 F2020 Lecture 29 HW 12 Review and More… duration 46 minutes 13 seconds ChE 3723 F2020 Lecture 29 HW 12 Review and More… ChE 3723 F2020 Lecture 29 HW 12 Review and More Boundary Value Problems 11/11/2020	ChE 3723 F2020 Lecture 29 HW 12 Review and More Boundary Value Problems 11/11/2020 In this class session we go over the solutions to HW 12 and then look at the solution to the ODE in HW 12 after converting it into a BVP. The point to be made, here, is that the same Runge-Kutta… harw8589 initial value problems boundary value problems From Jeffrey Harwell 0 likes 21 plays 0
ChE/CEES Colloid Science Lecture 18 Emulsions… duration 1 hour 17 minutes ChE/CEES Colloid Science Lecture 18 Emulsions… ChE/CEES Colloid Science Lecture 18 Emulsions Part 3	ChE/CEES Colloid Science Lecture 18 Emulsions Part 3 We continue our discussion of emulsions and microemulsions with a look at the HLB model and introduce HLD theory. harw8589 From Jeffrey Harwell 0 likes 12 plays 0
ChE 3723 F2020 Lecture 26 Solving Boundary Value… duration 50 minutes 29 seconds ChE 3723 F2020 Lecture 26 Solving Boundary Value… ChE 3723 F2020 Lecture 26 Solving Boundary Value Problems	ChE 3723 F2020 Lecture 26 Solving Boundary Value Problems Here we look at using the same Runge-Kutta code we developed for solving 2nd order initial value problems (IVP) to solve a boundary value problem (BVP). The process is basically identical, but for… harw8589 boundary value problems From Jeffrey Harwell 0 likes 31 plays 0