CHAPTER 05
1. The amount of mass in a system is constant. True or False
A. True
B.False
2.The _ is the control volume expression for the conservation of mass.
YOUR ANSWER: continuity equation
3.If density is known, the volume flowrate can be used to find
CHAPTER 06
1.Name the four types of motion that a fluid element can experience.
YOUR ANSWER: Translation, linear deformation, rotation, angular deformation.
2.How is the acceleration of a particle described?
A. Through Newtonian equations.
B.By using the
CHAPTER 04
1. The representation of fluid parameters as a function of the spatial coordinates is termed
a _.
A. Velocity field
B. Field representation
C. Position vector
2.Name the two general approaches to analyzing fluid mechanics.
YOUR ANSWER: Eulerian
CHAPTER 05
1. The amount of mass in a system is constant. True or False
A. True
B.False
2.The _ is the control volume expression for the conservation of mass.
YOUR ANSWER: continuity equation
3.If density is known, the volume flowrate can be used to find
CHAPTER 04
1. The representation of fluid parameters as a function of the spatial coordinates is termed
a _.
A. Velocity field
B. Field representation
C. Position vector
2.Name the two general approaches to analyzing fluid mechanics.
YOUR ANSWER: Eulerian
CHAPTER 03
1. Write Newton's second law of motion.
YOUR ANSWER: F = ma
2.The lines that are tangent to the velocity vectors throughout the flow field are called
steady flow lines. True or False
A. True
B. False
3.Streamwise acceleration is the product of
29
Chapter 1 x Introduction
1.48 A thin moving plate is separated from two fixed plates by two fluids of unequal
viscosity and unequal spacing, as shown below. The contact area is A. Determine (a) the
force required, and (b) is there a necessary relation
27
Chapter 1 x Introduction
1
kg
5476 K
exp
Least-squares of ln( P ) versus : P | 3.31E9
TqK
ms
T
Ans. (#2)
The accuracy is somewhat better, but not great, as follows:
T, qC:
0
PSAE30, kg/m s: 2.00
Curve-fit #1:
2.00
Curve-fit #2:
1.68
20
0.40
0.42
0
22
Solutions Manual x Fluid Mechanics, Sixth Edition
For N2 O, from Table A-4, k | 1.31, so BN2O 1.31 atm 1.33E5 Pa Ans. (a)
For water at 20C, we could just look it up in Table A-3, but we more usefully try to
estimate B from the state relation (1-22). Th
Chapter 1 x Introduction
1.12
7
For low-speed (laminar) flow in a tube of radius ro, the velocity u takes the form
u
B
'p
r
P
2
o
r2
where P is viscosity and 'p the pressure drop. What are the dimensions of B?
Solution: Using Table 1-2, write this equati
ENSC 283 Week # 12, Tutorial # 8 Flow in an Irrigation System
Problem: Spray heads in an agricultural spraying system are to be supplied
with water through 50 m of drawn aluminum tubing from an engine-driven
pump. In its most efficient operating range, th
ArchimedesandtheKingsCrown
Despite his mathematical prowess, Archimedes is perhaps best remembered for an incident involving
thecrownofKingHiero.
Asthestorygoes,thekingofSyracusehadgivenacraftsmanacertainamountofgoldtobemadeinto
an exquisite crown. When t
Differentialrelationsforfluidflow
Inthisapproach,weapplybasicconservationlawstoaninfinitesimally
smallcontrolvolume.
Thedifferentialapproachprovidespointbypointdetailsofaflowpattern
asopposetocontrolvolumetechniquethatprovidegrossaverage
pp
q
p
g
g
inform
CHAPTER 06
1.Name the four types of motion that a fluid element can experience.
YOUR ANSWER: Translation, linear deformation, rotation, angular deformation.
2.How is the acceleration of a particle described?
A. Through Newtonian equations.
B.By using the