Texte intégral
1
1. Summary
Total number of students 10
Attended 8
Missed 2
Average grade 9.19
Standard deviation of grades 1.07
2 2. Comments
Most students approached correctly to solve the problem
One student could not solve the problem well and he couldn’t find the 𝜋0, 𝜋1, 𝜋2
One student made a mistake when he derived the 𝜋2 which should be the form of Reynolds number
Some of students could not answer for the pressure changing when the velocity is doubled
Documents relatifs
Although Some of students set the correct
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
Several students could not derive the appropriate drag coefficient of flag that supposed to be calculated using the formula
• It appears to be shown that one student could not get correct concept of how to approach the Dimensional
Some of students indicated wrong sign on pressure term.. One student couldn’t get the main idea how to approach this
• Some did not show that velocity is only a function of y-axis using continuity. • Some students did not assume
• Some students did not simplify correctly the energy equation therefore they could not find easily a relation between f
