The Peripheral Arteries
The study of the blood flow in
arteries encompasses
unsteady (pulsatile) flows,
varying geometries,
turbulence, and secondary
structures. Arterial
Common caro d arteries
hemodynamics can be
simplified as an unsteady
internal flow.
The Lungs
T = trachea
B = bronchiole
A = pulmonary artery
V = pulmonary vein
400-500 million alveolar sacs for a total surface area of 140 m 2 (75 x the bodys surface area)
In addition to the conducting airways for air transport, it is necessary to have a
BME 350: Biological Transport Phenomena
Blood, Viscosity and Rheology
14 January 2014
Department of Biomedical Engineering
Rheology
Rheology is the study of the flow of matter, primarily
in the liquid state, but also as 'soft solids' or solids
under cond
The Lungs
T = trachea
B = bronchiole
A = pulmonary artery
V = pulmonary vein
400-500 million alveolar sacs for a total surface area of 140 m 2 (75 x the bodys surface area)
In addition to the conducting airways for air transport, it is necessary to have a
Energy
Newtons 2nd Law of Motion
In earths gravitational field (at the surface) with an acceleration of 9.81 , a mass of 1 kg exerts a
downward force of 9.81 N. In a reciprocal sense, 1 N is the weight of 1/9.81 kg = 102 g
How much is 102 grams?
There are
The Peripheral Arteries
Common caro d arteries
The study of the blood flow in arteries
encompasses unsteady (pulsatile) flows,
varying geometries, turbulence, and secondary
structures. Arterial hemodynamics can be
simplified as an unsteady internal flow.
Patterns of blood flow
Flow streamline a line that is everywhere tangent to the velocity field.
The velocity field is known as a function of x and y (and t in unsteady flows).
y
V
s
n
R= R(s)
x
We know:
V = ds/dt
a = dV/dt
The particle is generally accele
BME 350: Biological Transport Phenomena
Transport Fundamentals
9 January 2014
Department of Biomedical Engineering
Some Definitions
System: the material and/or equipment
of interest
Circulatory system
Dialysis machine
A cell
The lungs
Surroundings: Ever
BME 350
Biological Transport Phenomena
Spring 2012
Exam #1
9 February 2012
This examination is CLOSED book and CLOSED notea
Programmable calculators, wireless devices or any other assistance is
prohibited.
To receive full credit on each problem, start wit
BME 350: Biological Transport Phenomena
Units, Dimensions, Mass Conservation, Fluid Statics
7 January 2014
Department of Biomedical Engineering
What is Biological Transport Phenomena?
Understanding the movement of mass, momentum,
energy and electrical ch
BME 350: Biological Transport Phenomena
Transdermal Drug Delivery
1 April 2014
Department of Biomedical Engineering
Transdermal Drug Delivery
Transdermal drug delivery (TDD) systems are
defined as a self-contained discreet dosage forms,
that when applied
Energy
Newtons 2nd Law of Motion
F = ma in SI units is 1 N = kg
m
s2
m
, a mass of 1 kg exerts
s2
a downward force of 9.81 N. In a reciprocal sense, 1 N is the weight of 1/9.81 kg = 102 g
In earths gravitational field (at the surface) with an acceleratio
Energy
Newtons 2nd Law of Motion
F = ma in SI units is 1 N = kg
m
s2
m
, a mass of 1 kg exerts
s2
a downward force of 9.81 N. In a reciprocal sense, 1 N is the weight of 1/9.81 kg = 102 g
In earths gravitational field (at the surface) with an acceleratio
BME 350
Biological Transport Phenomena
In class problems 26 February 2014
Problem 1 (Chapter 6)
Blood travels through a blood oxygenator at a flow rate of 5,000 ml/min. The entering
blood pO2 is 28 mmHg and the exiting blood pO2 is 96 mmHg. Calculate the
BME 350
Biological Transport Phenomena
Spring 2014
Final Exam
22 April 2014
This examination is CLOSED book and CLOSED notes.
Programmable calculators, wireless devices or any other assistance is prohibited.
To receive full credit on each problem, start w
BME 350 Biological Transport Phenomena
Exam #1
12 February 2013
Name_
Problem 1 (continued):
(c) (5 points) Using the falling ball method and only the materials used for the
experiment in class, how could you tell if the fluid being tested is non-Newtonia
BME 350 Biological Transport Phenomena
Exam #2
14 March 2013
Name_
Problem 1 (25 points):
a. (5 points) The viscosity of
deoxygenated blood in patients
with sickle cell anemia is higher
than blood from a healthy person
at any hematocrit (cell volume
fract
BME 350
Biological Transport Phenomena
Spring 2014
Exam #3
15 April 2014
This examination is CLOSED book and CLOSED notes.
Programmable calculators, wireless devices or any other assistance is
prohibited.
To receive full credit on each problem, start with
BME 350
Biological Transport Phenomena
Spring 2014
Exam #2
11 March 2014
This examination is CLOSED book and CLOSED notes.
Programmable calculators, wireless devices or any other assistance is
prohibited.
To receive full credit on each problem, start with
Patterns of blood flow
Flow streamline a line that is everywhere tangent to the velocity field.
The velocity field is known as a function of x and y (and t in unsteady flows).
y
V
s
n
R=R(s)
x
We know:
V = ds/dt
a = dV/dt
The particle is generally acceler
BME 350
Biological Transport Phenomena
Spring 2014
Homework Assignment #3
Due Date: in class Thursday January 30, 2014
1. The amount of mechanical energy generated per heartbeat for a normal young adult is about 1 J. If
mean blood pressure is 90 mmHg, cal
BME 350
Biological Transport Phenomena
Spring 2014
Homework Assignment #3
Due Date: in class Thursday January 30, 2014
1. The amount of mechanical energy generated per heartbeat for a normal young adult is about 1 J. If
mean blood pressure is 90 mmHg, cal