
CD Injection Molding I: NavierStokes
10 Apr 2019   Contributor(s):: Adam Powell
State simplifying assumptions which can be made regarding radial injection molding of liquid polycarbonate polymer into a CD mold, and simplify the cylindrical form of the NavierStokes equations accordingly.

CD Injection Molding II: Shear Stress
09 Apr 2019   Contributor(s):: Adam Powell
Solve the cylindrical NavierStokes equations simplified in Part I to give the velocity profile in radial injection molding of a CD, and calculate the shear stress based on this velocity profile.

Radiative Cooling of an Aluminum Cube
09 Apr 2019   Contributor(s):: Adam Powell
Show that radiative cooling of an aluminum cube is Newtonian (uniform temperature), and calculate time required to cool through a certain temperature range by radiation alone.

Bottom Filled Mold
07 Apr 2019   Contributor(s):: Matthew John M. Krane
Calculation of mold filling times, with and without a constant height of metal in a riser. Problem uses modified Bernoulli equation for the mechanical energy balance and the students are asked to determine which resistances are significant.

CastaBox: Casting Conditions and Macroporosity
07 Apr 2019   Contributor(s):: Adam Powell
An illustration of threedimensional finite difference simulation of heat conduction with phase change and complex boundary conditions, this requires students to adjust boundary conditions to make the top surface of a regular hexahedral "casting" to freeze last, eliminating...

Batch and Continuous Flow Reactors
30 Mar 2019   Contributor(s):: Adam Powell
Derive expressions for productivity of plug flow and perfectly mixed continuous flow reactors, discuss quality, and describe advantages of batch reactors.

Blood Filtration
30 Mar 2019 
Estimate flow rate of blood through two types of porous filter: an array of tubes and a packed bed of solid spheres.

Blood Flow and Vascular Deposits
30 Mar 2019 
Analyze the effect of increasing fat deposit thickness on blood flow through human arteries.

Casting of a Cylindrical Part in a Thermally Resistive Mold
30 Mar 2019   Contributor(s):: Matthew John M. Krane
Use of integral analysis for development of approximate solution for solidification in cylindrical thermally resistive mold.

A Heat Transfer Calculation
20 Mar 2019   Contributor(s):: Adam Powell
Outline the steps required to calculate the temperature at the interface between a stationary solid and a fluid flowing past it.

Application of Integral Analysis to Semiinfinite Diffusion Couple
20 Mar 2019   Contributor(s):: Matthew John M. Krane
Apply integral analysis to semiinfinite diffusion couple.

Argon Quenching of Nibased Alloy Cylindrical Bars
20 Mar 2019   Contributor(s):: Matthew John M. Krane
Calculate radiation viewfactors and power transferred between various parts of an zirconia physical vapor deposition chamber.

Dimensional Analysis for Dummies
20 Mar 2019 
Derivation of the error function solution to the diffusion equation, and description of the point source in 1, 2 and 3dimensions..