## Tags: junior level

### All Categories (1-20 of 22)

1. 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.

2. 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.

3. 30 Mar 2019 |

Analyze the effect of increasing fat deposit thickness on blood flow through human arteries.

4. 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.

5. 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.

6. 28 May 2019 | | Contributor(s):: Adam Powell

Sketch the streamlines in a tube CVD reactor and propose a design change which would lead to more uniform deposition.

7. 28 May 2019 | | Contributor(s):: Matthew John M. Krane

A mixture of hydrostatics and the modified Bernoulli equation are used to determine the effect of fluid height in a tundish on the flow rate supplying liquid steel to a continuous casting mold.

8. 28 May 2019 | | Contributor(s):: Adam Powell

Estimate the thickness of the crystal-free surface layer in a glass-ceramic dish by relating a heat equation solution to the T-T-T diagram.

9. 01 Aug 2019 | | Contributor(s):: Adam Powell

Calculate carbon concentration profile vs. time in low-carbon steel sheet in a decarburizing atmosphere at high Biot number.

10. 16 May 2019 | | Contributor(s):: Adam Powell

Use dimensional analysis to understand how parameters and material properties determine uniformity of reactant gas concentration across porous spheres coated with catalysts.

11. 16 May 2019 | | Contributor(s):: Adam Powell

Use a heat balance to calculate electron beam power required to continuously heat and melt metal as it is atomized, including heat losses from the top surface due to evaporation and radiation.

12. 21 Aug 2019 | | Contributor(s):: Adam Powell

Balance drag and buoyancy forces to determine the size of the largest bubble remaining in a container of molten glass after a certain amount of time.

13. 16 May 2019 | | Contributor(s):: Adam Powell

Use porous flow theory to describe pressure-flow rate and plug/mixing behavior of flow through a packed bed of catalyst spheres.

14. 16 May 2019 | | Contributor(s):: Adam Powell

Use radiation and a heat transfer coefficient to estimate the initial rate of solidification of the solid shell at the top of a casting while the temperature in the shell can be considered uniform, then set up the equation for mixed conduction/convection-radiation limited cooling.

15. 16 May 2019 | | Contributor(s):: Adam Powell

Derive temperature and liquid concentration profiles during die casting of a roughly plate-shaped alloy part.

16. 19 Aug 2019 | | Contributor(s):: Matthew John M. Krane

Solution of steady state heat conduction with approximate radiation boundary condition, the applicability of which is tested.

17. 14 Aug 2019 | | Contributor(s):: Adam Powell

Calculate conversion efficiency for electron beam melting for removal of lead, cadmium and zinc impurities from titanium.

18. 21 Aug 2019 | | Contributor(s):: Adam Powell

Viscous flow of two layers down an inclined plane to model floating liquid glass on liquid tin.

19. 15 Aug 2019 | | Contributor(s):: Adam Powell

Calculate total power radiated between square plates and a levitated spherical droplet, and discuss heat conduction mechanisms in the droplet.

20. 15 Aug 2019 | | Contributor(s):: Adam Powell

Calculate radiation viewfactors and rates of heat transfer between plates in a facing target sputtering apparatus for depositing yttrium-barium-copper oxide superconducting thin films.