Carolyn Ren
1/1
Mar. 4, 10
ME 351 Assignment #7
Pa=103410 Pa absolute pressure
1. White, page 214, P 3.147
The horizontal nozzle in the Fig. has D1 = 30 cm, D2 = 12 cm, and V2 = 17
m/s. For water at 20C, assuming that p1 is unknown and using Bernoullis
eq
Carolyn Ren
1/1
Mar. 4, 10
ME 351 Assignment #8
1. White, page 217, P3.164
An open water jet exits from a nozzle into sea-level air, as shown, and strikes a stagnation tube. If the
centerline pressure at section (1) is 110 kPa and losses are neglected, es
SYDE 282 - Fluid Mechanics
Fall 2008 Midterm Exam
Instructor: Prof. John Wen
Thursday Oct 16, 2007
4:00 - 6:00 pm
1. Allowed Aids: Calculator and one 8.5 by 11 sheet of notes (both sides)
NOTE: Worked out problems and the complete derivation of any concep
Carolyn Ren
1/1
Jan. 29, 10
ME 351 Assignment #4
1. Figure below shows the cross-section of a micro-channel with two cylindrical reservoirs that are part of a
fluidic microchip. The channel has a height of 20 m and a width (into the paper) of 80 m. The in
Prof.C.Ren
Sunday,May13,2012
Discussion and clarification about the acceleration of a free fall object
lecture 5 content
The differential expression of acceleration is:
a
(1)
For free fall objects,
0, which reduces Eq. (1) to
a
(2)
In the lecture, I stat
Carolyn Ren
1/1
Mar. 4, 10
ME 351 Assignment #6
1. White, page 194, P 3.60
Water at 20C flows through the elbow in Fig. P3.60 and exits to the atmosphere. The pipe diameter is D1 = 10
cm, while D2 = 3 cm. At a weight flow rate of 150 N/s, the pressure p1
Carolyn Ren
1/2
Jan. 29, 10
ME 351 Assignment #5
D=75cm
1. White, page 194, P 3.12
The pipe flow in Figure P3.12 fills a cylindrical surge tank as
shown. At time t = 0 , the water depth in the tank is 30 cm.
Estimate the time required to fill the remainde
Carolyn Ren
5/5
Jul. 20, 12
Multiple pipe system
Certain rules can make the calculations very smooth.
Pipe in series (3 pipes)
Q1 Q2 Q3 constant
Rule #1:
V1D12 V2 D2 2 V3 D32 constant
hA B h1 h2 h3
Rule #2:
h h f hm
hA B
2
V1
2g
f1L1
V2
K1 2
D
2g
1
ME 351 - Fluid Mechanics I (MTE Section)
Winter 2012 Sample Final Exam
Thursday April 12, 2012
12:30 pm - 3:00 pm
E5-3101/3102
Professor G.D. Stubley
1. Allowed Aids: Calculator and one 8.5 by 11 sheet of notes (both
sides)
NOTE: Information on course con
SYDE 282 - Fluid Mechanics
Fall 2007 Final Exam
Friday Dec 14, 2007
12:30 - 3:00 pm
Instructor: Dr. John Wen
1. Allowed Aids: Calculator and one 8.5 by 11 sheet of notes (both sides)
NOTE: Neither worked out problems nor the complete derivation on any con
Fluid Mechanics Formulae
810 Appendix A
For a fluid parcel:
Table A.1 Viscosity and Density of
3
2
~
~
~T, C ,V
~ kg/m ,
~ N s/m
Water at 1 atm D V
V
V
V
v
+
w
Dt t + u x +
y
z
0
1000
1.788 E3
p
Dv
Dt = y
For a Newtonian Fluid:
At a fluid-fluid interfac