• Aucun résultat trouvé

HW 1 REPORT Number of Students Total 39 Submitted 36 Not Submitted 3

N/A
N/A
Protected

Academic year: 2022

Partager "HW 1 REPORT Number of Students Total 39 Submitted 36 Not Submitted 3"

Copied!
3
0
0

Texte intégral

(1)

HW 1 REPORT

Number of Students

Total 39

Submitted 36

Not Submitted 3

GRADE DISTRIBUTION

(2)

COMPARISON WITH LAST 4 YEARS

SUBMISSIONS

(3)

SPECIAL COMMENTS

Problem 1

 Many students did not recognize the exponent on d (diameter) carried through to dimension

Problem 2

 Students using not ∫ Problem 3

 Wrong lookup value for µ or wrong non-text source Problem 4

 A few students got the annulus geometry incorrect Problem 5

 No interpolations shown, some students put only answer, need to show work for credit Problem 6

 Some students used wrong units on speed of sound in air, units did not cancel correctly for Mach number

Comprehensive

 Many undergrad students are not doing comprehensive problems

 Student who attempted almost all got correct All Problems

 Follow formatting laid out in information on website

 Make sure to use units and check for unit homogeneity

 Use book for lookup values first, then resort to internet sources

Références

Documents relatifs

Comparison of

 5 students used the incorrect Reynolds number and other did not remember at all.  5 students did not

 The only recurring error was students not understanding which terms simplify

 Many students were not able to simplify the cylindrical Navier Stokes equations with correct assumptions.  Some students who did simplify Navier Stokes were not able to solve

o By setting the model Reynolds number equal to the prototype Reynolds number, for fully dynamic similarity, the ratio of velocities is found and used when setting the model

 5 Students were setting the first location for the Energy equation at the top of the pipe at the bottom of the tank, this is incorrect because the pressure is not know at

 Only recurring error was identifying the correct Reynolds transition number for flow over a flat plate. o Reynolds number for flat plate external turbulent

 Students did not find the center of mass of the gate properly Problem 2.119 – Buoyancy.  Students had trouble finding the center of buoyancy of the displace water since the