Table 1 Main flow characteristic for the six patients analyzed with and without MAD. DH: hydraulic diameter, Re: Reynolds number, R: Resistance, Q: Flow, A inlet: Inlet Area, A outlet: Outlet Area.

From: Physiological and geometrical effects in the upper airways with and without mandibular advance device for sleep apnea treatment

 

Inlet Velocity (m/s)

Inlet Mean Pressure(P) (Pa)

RE (Ainlet)

RE (Amin)

DH (Ainlet) (mm)

DH (Amin) (mm)

Perimeter (A inlet) (mm)

Total R = P/Q (Pa/m3)

P1

1.52

98.91

1596.73

4468.98

16.16

6.75

63.75

25.26%

P1_MAD

1.19

18.83

1302.39

2723.93

16.84

8.73

77.89

4.79%

P2

2.02

22.16

1568.41

2976.22

11.95

8.35

57.08

5.66%

P2_MAD

1.38

21.23

1458.22

1531.08

16.32

9.41

70.05

5.40%

P3

1.66

21.54

1560.27

2155.88

14.46

8.10

65.40

5.49%

P3_MAD

1.29

16.45

1220.62

1434.97

14.51

8.83

83.69

4.19%

P4

1.51

28.32

1185.04

2491.93

12.10

9.84

67.29

7.21%

P4_MAD

1.32

27.29

1088.95

2539.65

12.73

10.07

70.35

6.94%

P5

2.30

8.72

2067.33

1894.61

13.83

10.25

55.76

2.21%

P5_MAD

1.30

3.95

1383.46

1428.56

16.37

13.46

75.79

1.01%

P6

1.73

4.49

1553.10

1768.13

13.85

11.48

65.80

1.14%

P6_MAD

1.42

1.82

1699.39

1409.43

18.37

14.00

60.11

0.46%

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