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Published Nov. 28, 2018 8:41 AM
Published Nov. 19, 2018 4:30 PM

Subjects:

3-8 Similarity solutions

4-3 Similarity solutions for steady 2D flow

4-4.2 The plane laminar jet

 

Published Nov. 7, 2018 10:32 AM

are uploaded on the: 'Schedule'.

Published Nov. 1, 2018 2:56 PM

Repetition of the curriculum will take place the weeks:

26 / 28 Nov; 3 / 5 Dec  

Published Oct. 15, 2018 4:20 PM

Exact solution to 4-42:

u=C[exp(k1 y) -exp(k2 y)]

where C is an undetermined constant, and

k1=(1/(2eps))(-1+sqrt(1-4 eps)),

k2=(1/(2eps))(-1-sqrt(1-4eps)).

 

 

Published Oct. 10, 2018 10:10 AM

Topics for possible master projects will be presented by the group of teachers in the Mechanics Section. Time place, see above.

Published Oct. 8, 2018 1:57 PM

Oblig 2: Do problem 4-3 on p. 329 in White. Calculate particularly: i) the shear stress at the wall, ii) the drag force on a plat of length L, iii) plot in log-log-plot CD vs. Re=UL/nu. iv) Compare your solution with Blasius' solution.

Published Aug. 31, 2018 4:46 PM

v(r)=[(-dp/dx)/(4 mu)] [r1^2-r^2+(r2^2-r1^2) ln (r / r1)/ln (r2 / r1)]

Q/A =[(-dp/dx)/(8 mu)] r2^2 [1 + (r1/r2)^2 - (1-(r1/r2)^2)/ln (r2/r1)]

Delta p= 40 000 Pa (mu=0.02  Pa. s) corresponding to 4 m water column

Delta p=200 000 Pa (mu=0.1 Pa .s) corresponding to 20 m water column

 

Published Aug. 22, 2018 4:06 PM

Gaultier Gacoin and Thea Josefine Ellevold

Published Aug. 20, 2018 4:30 PM

Textbook F. White, problems 3-15, 3-16, 3-5, 3-6.

Published Aug. 14, 2018 1:39 PM

Hei, jeg har blitt informert om at boka er utsolgt fra forlaget. Vi pr?ver likevel med pensumet fra F. White. Kan dere studenter pr?ve a) ? kj?pe/l?ne bok fra andre studenter? b) Boka finnes som e-bok p? nettet. Kan dere laste den ned?

JG 14/08/18

Published Aug. 14, 2018 1:36 PM

Frank M White, Viscous Fluid Flow, 2006, McGrawhill.

Newtonian fluids (ch 3): 3-1, 3-2, 3-3, 3-3.1, 3-3.2, 3-5, 3-5.1, 3-7, 3-7.1, 3-8, 3-8.1, 3-9.

Boundary layers, similarity solutions, Kelvin-Helmholtz-instability (ch 4 og 5): 4-1 to 4-1.6, 4-2, 4-3 to 4-3.3. 5-1 to 5-1.2.

Turbulence and turbulence models (ch 6): 6-1, 6-2, 6-3 to 6-3.1, 6-4 to 6-4.1, 6-4.2, 6-4.4, 6-6, 6-6.1, 6-6.3, 6-7, 6-7.1,  6-7.2.

Lecture notes. All problems and examples given and presented.

28/11/2018 J.G.