Texte intégral
1
1. Summary
Total number of students 11
Attended 10
Missed 1
Average grade 8.25
Standard deviation of grades 1.38
2 2. Comments
Four students made mistake when they differentiate the velocity profile, so they could not get the correct 𝜏𝑤𝑎𝑙𝑙
Some students could not use the correct boundary condition when they calculate wall shear stress.
A few of students made a mistake when they consider the surface area which should be Area = 2πRL
Documents relatifs
Many students could not calculate the pressure difference between Point A and B, so get the wrong answer
Some of students could not derive the momentum equation correctly so they put wrong sign for the term
Several student could not derive the momentum equation correctly with given force of 680N, so they calculated
Even if they derived correct non-dimensional variables, some of students could not calculate the correct rpm and delivered power of prototype. Although several students
Several student solved problem very well but made a mistake when they calculate the Pipe
Two students could not use the energy equation appropriately, and missed dynamic
• Some students could not differentiate the velocity profile and interpolated it to calculate the wall shear stress which is wrong.. • 2 students used degree unit where it
The Drag Force should be calculated by multiplying the surface area and the Pressure, but one student divided the pressure by the area to
