CSUS
ENGR132
ZHOU
HOMEWORK #6 SOLUTION
1. An Eiffel type wind tunnel operates by drawing air through a contraction, passing this air
through a test section (a rectangular section of duct made of clear plastic, and then exhausting
the air using a large axi
CSUS
ENGR132
ZHOU
HOMEWORK #7 SOLUTION
1. A pump draws water through an 8 in. suction pipe at surface A,
and discharges it through a 4 in-pipe horizontally into air at C
with a velocity of 12 ft/s. the 4 in. To what height h above the
water surface at A c
CSUS
ENGR132
ZHOU
HOMEWORK #9 SOLUTION
1. 11.4Estimate the terminal velocity of 1.5 mm plastic sphere falling freely in oil. The oil has a
specific gravity of 0.95 and a kinematic viscosity of 10
m/s. the plastic has a specific
gravity of 1.07 and the vol
CSUS
ENGR132
ZHOU
HOMEWORK #5-1
1. A water jet of diameter 30 mm and speed v =
20m/s is filling a tank. The tank has a mass
of 20 kg and contains 20 liters of water at the
instant shown. The water temperature is
15C. Find the force acting on the bottom of
CSUS
ENGR132
ZHOU
HOMEWORK #7
1. A pump draws water through an 8 in. suction pipe at surface A, and
discharges it through a 4 in-pipe horizontally into air at C with a
velocity of 12 ft/s. the 4 in. To what height h above the water
surface at A can the wa
CSUS
ENGR132
ZHOU
HOMEWORK #8
1. If the pump efficiency is 80%,
what power must be supplied to
the pump in order to pump fuel
entrance r = 0.5cm
oil (S = 0.94) at rate of 1.2m/s
up to high reservoir? Assume a
steel pipe & v =5 10
m/sec.
(Answer: 386kW)
2.
CSUS
ENGR132
HOMEWORK #8 SOLUTION
1. If the pump efficiency is 80%,
what power must be supplied to
the pump in order to pump fuel
oil (S = 0.94) at rate of 1.2m/s
up to high reservoir? Assume a
steel pipe & v =5 10
(Answer: 386kW)
m/sec.
ZHOU
CSUS
ENGR132
Fluid Dynamics Applications - I
E132 Exam #3 Review
Date & Location
Understanding
May 7, 2009 (Thursday): 10:30am-11:45am @Eureka 114
Exam Policy
Must show system; assumption; equation; plug #; answer + unit
Open book, closed notes class example, HW solut
Fluid Dynamics Application
II
Chapter 7 - Internal Flow
Internal
Energy Conservation in Pipes
(Laminar & Turbulent)
Modified Bernoulli Equation Including
Energy Loss & Pump-Turbine
1
Conservation of Energy - Review
System Ecv, CV & CS
Heat transfer rate,
CSUS
ENGR132
ZHOU
HOMEWORK #6
1. An Eiffel type wind tunnel operates by drawing air through a contraction, passing this air
through a test section (a rectangular section of duct made of clear plastic, and then exhausting
the air using a large axial fan. I
CSUS
ENGR132
ZHOU
HOMEWORK #1 SOLUTION
1.
What is the weight of a 10ft tank of oxygen if the oxygen is pressurized to 400 psia, the
tank itself weighs 100 lbf, and the temperature is 70F? (Answer: 122.5lbf)
CSUS
2.
ENGR132
ZHOU
Find the kinematic and dyna
CSUS
ENGR132
HOMEWORK #3 SOLUTION
1. The hypothetical velocity distribution in a circular duct is
= 1-
, where r is the radial location in the duct,
R is the duct radius, and V is the velocity on the axis. Find
the ratio of mean velocity to center line ve
Fluid Property & Unit System
Main Topics
Unit System
Properties of Fluids
Temperature, Density, Pressure
Mass, Weight, Specific weight
Specific gravity
Viscosity
Chapter1 & Chpater2: 2.1~2.5
1
Systems of Units
Property
Is anything owned by someone such as