Customer Service Chat
Get quote & make Payment
Need it fast, Mechanical Engineering
PROBLEM 1 (30 points)
Consider a Boeing 747-400 at weight close to the maximum takeo? weight (MTOW) cruising at
Mach 0.82 at an altitude of 32000 ft.
(a) How much thrust is needed to maintain cruise? Express your answer in kN and as a fraction of
(b) What is the diameter of a sphere that would have the same drag as the Boeing 747-400 at the
same cruise conditions? How does the sphere diameter compare to the wing span of the 747?
PROBLEM 2 (30 points)
Shear stress t
Blood cells sustain serious damage (hemolysis) when they are subjected to shear stress exceeding
150 Pa. During blood transfusion, blood ?ows through a syringe needle with typical inner diameter
D= 0.603 mm. See chart at http//en.wikipedia.org/wiki/Needle_gauge_comparison_chart.
It’s the 20-gauge needle). The intent is to transfuse blood as quickly as possible without damaging
The ?ow ?eld inside the syringe needle is well approximated by Poiseuille’s law (you can look it up
in the book), which can be worked out to give the following relation between the volume ?ow rate
Q and the wall shear stress t (the wall stress is the maximum stress):
Here µ is the viscosity of the blood. Your task is to recommend to the administering doctor the
maximum permissible blood ?ow rate. Do your calculations in SI units, then convert your ?nal
answer to L/min (liters per minute, a unit that doctors understand...).
For the average human, how long will it take to replace their entire blood volume?
Posted Date: 10/4/2012 8:35:24 PM | Location : United States
Ask an Expert
Need it fast, Assignment Help, Ask Question on Need it fast, Get Answer, Expert's Help, Need it fast Discussions
Write discussion on Need it fast
Your posts are moderated
Write your message here..
Thermal, diference between thermal and thermodynamic equallibrim
diference between thermal and thermodynamic equallibrim
What is extrusion defects, Q. What is Extrusion defects? • Surface crac...
Q. What is Extrusion defects? • Surface cracking - When the surface of an extrusion splits. This is often caused by the extrusion temperature, friction, or speed being too high
Determine the minimum acceptable diameter of the shaft, The Shaft is made o...
The Shaft is made of a material with an allowable shear strength of 80 Mpa. a. Develop the torque diagram b. Determine the minimum acceptable diameter of the shaft
Tool cost, what is tool cost?
what is tool cost?
Optimal feeder geometry, PART A A new process plant for ore processing ...
PART A A new process plant for ore processing is currently being planned. The design is only in the first stage. However, three requirements have already been clearly stated:
Open belt drive, Open belt drive: An open belt drive connects the two...
Open belt drive: An open belt drive connects the two pulleys 120cm and 50cm diameter on parallel shafts which are apart 4m. The maximum tension in belt is 1855.3N. Coefficien
Simulate the compression test, This assignment will simulate large deformat...
This assignment will simulate large deformations (nonlinear geometry) and occurrence of necking and buckling due to static tensile and compressive loading of a given elastic-plasti
Uphill pulley and release back system, I was wondering if anyone could help...
I was wondering if anyone could help me design an aid for my pet rat that has hind leg degeneration. I have a long slope where i can train him to climb on some kind of trolley and
Resistor-fundamentals of electricity , Resistor: The wire that oppose...
Resistor: The wire that opposes (resists) the flow of current through it by virtue of its property is called resistor. This property is known as resistance. The resistance is
Thermodynamics, dicel cycle
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
IT Courses and Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Follow Us |
T & C
Copyright by ExpertsMind IT Educational Pvt. Ltd.