BIOC34 Lab 2:
PhysioEx Exercise 5
Activity 1:
Effect of Blood Vessel Radius on Blood Flow Rate
Table 1. Relationship between blood flow and changes in simulated blood vessel radius
Flow (ml/min)
Radius (mm)
Viscosity
Length (mm)
Pressure (mm
Hg)
4.0
1.5
1.0
50
100
12.6
2.0
1.0
50
100
30.7
2.5
1.0
50
100
63.6
3.0
1.0
50
100
117.8
3.5
1.0
50
100
201.0
4.0
1.0
50
100
321.9
4.5
1.0
50
100
490.6
5.0
1.0
50
100
Activity 2:
Effect of Blood Viscosity on Blood Flow Rate
Table 2. Relationship between blood flow and changes in viscosity of simulated blood
Flow (ml/min)
Radius (mm)
Viscosity
Length (mm)
Pressure (mm
Hg)
490.6
5.0
1.0
50
100
245.3
5.0
2.0
50
100
163.5
5.0
3.0
50
100
122.7
5.0
4.0
50
100
98.1
5.0
5.0
50
100
81.8
5.0
6.0
50
100
70.1
5.0
7.0
50
100
61.3
5.0
8.0
50
100
Activity 3:
Effect of Blood Vessel Length on Blood Flow Rate
Table 3. Relationship between blood flow and changes in simulated blood vessel length
Flow (ml/min)
Radius (mm)
Viscosity
Length (mm)
Pressure (mm
Hg)
90.8
3.0
3.5
10
100
60.6
3.0
3.5
15
100
45.4
3.0
3.5
20
100
36.3
3.0
3.5
25
100
30.3
3.0
3.5
30
100
26.0
3.0
3.5
35
100
22.7
3.0
3.5
40
100
Activity 4:
Effect of Blood Pressure on Blood Flow Rate
Table 4. Relationship between blood flow and changes in simulated blood pressure
Flow (ml/min(
Radius (mm)
Viscosity
Length (mm)
Pressure (mm
Hg)
35.0
5.0
3.5
50
25
70.1
5.0
3.5
50
50
105.1
5.0
3.5
50
75
140.2
5.0
3.5
50
100
175.2
5.0
3.5
50
125
210.3
5.0
3.5
50
150
245.3
5.0
3.5
50
175
280.4
5.0
3.5
50
200
Activity 5:
Effect of Blood Vessel Radius on Pump Activity
Table 5. Changes in pump activity relative to blood vessel radius
Flow
(ml/min)
Rad. L
(mm)
Rad. R
(mm)
Str. V (ml)
Rate
(strokes/min)
Press. L
(mm Hg)
Press. Dif.
R (mm Hg)
6607.2
3.5
3.0
70
94.9
40
40
9423.9
3.5
3.5
70
134.6
40
40
11882.5
3.5
4.0
70
169.8
40
40
13798.3
3.5
4.5
70
197.1
40
40
15198.7
3.5
5.0
70
217.1
40
40
Figure 1. Increase in flow relative to increases in radii of right tube
Activity 6:
Effect of Stroke Volume on Pump Activity
Table 6. Changes in pump activity relative to stroke volume
Flow
(ml/min)
Rad. L
(mm)
Rad. R
(mm)
Str. V (ml)
Rate
(strokes/min)
Press. L
(mm Hg)
Press. Dif.
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- Summer '14
