V olum e 9, N um ber 4
O ctober 2004 D ecem ber 2004
Olympiad Corner
The Czech-Slovak-Polish Match this
year took place in Bilovec on June
21-22, 2004.Here are the problems.
Problem 1. Show that real
Chapter 6: Viscous Flow in Ducts
6.1 Reynolds Number Regimes 6.2 Internal vs External Fluid Flows 6.3 Head Loss The Friction Factor 6.4 Laminar Fully Developed Pipe Flow 6.5 Turbulence Modeling 6.6 Tu
MAE 143 A: Signals and Systems. Homework #2.
Assigned Jan 13. Due Jan 20.
1. The circuit in the left-hand graph of Figure 1 is modeled by means of the following equations: LC d V (t) + CR dV (t) + V (
MAE 101A ~ WELCOME
"Now I think hydrodynamics is to be the root of all physical science, as it at present second to none in the beauty of its mathematics." ~ Lord Kelvin (1857)
"Although fluid mechani
SPIN
Curve Balls
The fact that tennis balls curve because of the spin imparted on them was noted as early as 1671 by Sir Isaac Newton. In 1877 Lord Rayleigh in a paper also describing the irregular fl
Knox Millsaps, Ph.D. ([email protected]) Professor and Chairman Mechanical and Astronautical Engineering Naval Postgraduate School DoD Executive Agent for SMART www.asee.org/SMART
Overview of SMART
SM
"As a student from a smaller university, I appreciate the access to
Olukayode Okusaga 2006 SMART Scholarship recipient, Ph.D. program in Electrical Engineering with a focus on photonics at the Univers
"drag" reduction in pipe flow
For a given Re, is there anyway to have a friction factor less than that for a smooth pipe?
Pierre Du Buat (1734 1809) believed that fluid in contact with surface invari
ONR invites Undergraduate and Graduate Students to:
The Naval Research Enterprise Intern Program (NREIP)
Administered by The American Society for Engineering Education (ASEE)
Program Information Te
(10) Problem 9.79 from White Remember that there is a subsonic and supersonic solution to Eq 9.45 (look at figure 9.7) so you needed to reason that you were interested in the supersonic solution (beca
Chapter 7: LIFT (1) Problem 7.115 from White (take of air at 10 km to be = 0.4125 kg/m3) (2) Problem 7.120 from White (hint: maximum lift-to-drag ratio occurs when d/dCL [L/D] = 0 Chapter 9: (3a) Show
Problems from White #1 = P7.3 Hint: this should look familiar #2 = P7.5 Note: in an accelerating flow, i.e. a favorable pressure gradient, the boundary layer will be thinner (and more likely to be lam
MAE 101B Summer Session II 2009 Homework Assignment #2 Due Friday August 18
1. Ignoring frictional losses and assuming steady flow (tank is very large) and parallel streamlines at the exit, what happe
The Hydrodynamic Secret of the Dolphin
G. I. Svyator 1969
Scientists Discover Secret of Dolphin Speed Ocean Research, 2004
Power = Drag x Velocity
Velocity = 33 ft/sec (10 m/s*; Re = UL/ = 1.8x107) Dr
FLOW IN A CONSTANT-AREA DUCT WITH HEAT EXCHANGE
(Combustion Chambers, Heat Exchangers)
Frictionless Flow in a Constant Area Duct with Heat Exchange
Q/dm
h1, s1 ,
Rx= 0
h2, s2 ,
Quasi-one-dimensional f
CHAPTER 7: FLOW PAST IMMERSED BODIES
*(unbounded flows)
Ch 7: FLOW PAST IMMERSED BODIES
(CAN'T HAVE FULLY DEVELOPED FLOW)
FLAT PLATE
What is wrong with this picture?
Ch 7: FLOW PAST IMMERSED BODIES
(C
Chapter 6: Viscous Flow in Ducts
6.1 Reynolds Number Regimes 6.2 Internal vs External Fluid Flows 6.3 Head Loss The Friction Factor 6.4 Laminar Fully Developed Pipe Flow 6.5 Turbulence Modeling 6.6 Tu
Home Work: due Aug. 10th at the beginning of class no late HW accepted 1 (a) What is the likelihood that a flow with of water in an industrial quality pipe of diameter 0.010 m to be laminar or turbule
(1 5 pts) The terminal speed of a parachute whose diameter is 6.9m is found to be to be 6 m/s. The total mass of the chute and jumper is 120 kg. The density of the air is 1.23 kg/m3. What is the CD of
FD = CD U2A
mg = 120 kg U = 6 m/s
Sum of forces = 0, pick A so U = 6 m/s CD U2A = mg
Fox Re 103 1.42
Re 104
CD = 1.42 for open hemisphere FD = CD U2A = W = mg A = d2/4 d2 = [mg]/[CD U2 /8]
d = [(8/)(1
Roman aqueduct customers received water continuously (no shut off valve). To get more water, they often put a nozzle at the exit.
(0)
(2) (1)
Roman aqueduct customers received water continuously (no s
CH.9: COMPRESSIBLE FLOW
It required an unhesitating boldness to undertake such a venture . an almost exuberant enthusiasm.but most of all a completely unprejudiced imagination in departing so drastica
Chapter 9: Compressible Flow
9.1 9.2 9.3 9.4 9.5 9.6 .
Introduction: Review of Thermodynamics The Speed of Sound Adiabatic and Isentropic Steady Flow Isentropic Flow with Area Changes The Normal Shock