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Ben-Tal, 2006
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Simplified models for gas exchange in the human lungs
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Model Mathematics
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Component: Environment
Component: PluralPressureFunction
R
=
2
π
1
5
P_L
=
P_m
-
R
omega
V_T
2
sin
omega
time
1
-
E
2.5
-
V_T
1
2
cos
omega
time
1
dP_Ldt
=
-
R
omega
2
V_T
2
1
cos
omega
time
1
-
E
2.5
-
V_T
2
sin
omega
time
1
Component: lungMechanics
q
=
P_m
-
P_A
R
d
d
time
P_A
=
P_m
E
Q_A
P_A
1
+
dP_Ldt
d
d
time
V_A
=
P_m
-
P_L
-
V_A
E
1
R
Component: gasExchange
p_ao
=
f_o
P_A
-
P_w
p_ac
=
f_c
P_A
-
P_w
Q_A
=
q
+
1
D_c
p_c
-
p_ac
+
1
D_o
p_o
-
p_ao
f_oi
=
f_o
V_D
+
f_om
V_T
-
V_D
V_T
if
V_T
≥
V_D
f_o
otherwise
f_ci
=
f_c
V_D
+
f_cm
V_T
-
V_D
V_T
if
V_T
≥
V_D
f_c
otherwise
d
d
time
f_o
=
1
V_A
1
D_o
p_o
-
p_ao
+
f_oi
-
f_o
q
-
f_o
1
D_c
p_c
-
p_ac
+
1
D_o
p_o
-
p_ao
d
d
time
f_c
=
1
V_A
1
D_c
p_c
-
p_ac
+
f_ci
-
f_c
q
-
f_c
1
D_o
p_o
-
p_ao
+
1
D_c
p_c
-
p_ac
Component: gasTransport
delta
=
10
1.9
h
=
1
10
-
7.4
df_satdp
=
L
1
+
K_T
sigma
p_o
4
+
1
+
K_R
sigma
p_o
4
3
L
K_T
2
sigma
2
p_o
1
1
+
K_T
sigma
p_o
2
+
L
K_T
sigma
1
1
+
K_T
sigma
p_o
3
+
3
K_R
2
sigma
2
p_o
1
1
+
K_R
sigma
p_o
2
+
K_R
sigma
1
1
+
K_R
sigma
p_o
3
-
L
K_T
sigma
p_o
1
+
K_T
sigma
p_o
3
+
K_R
sigma
p_o
1
+
K_R
sigma
p_o
3
4
L
K_T
sigma
1
1
+
K_T
sigma
p_o
3
+
4
K_R
sigma
1
1
+
K_R
sigma
p_o
3
L
1
+
K_T
sigma
p_o
4
+
1
+
K_R
sigma
p_o
4
2
d
d
time
p_o
=
D_o
sigma
V_c
1
+
4
T_h
sigma
df_satdp
-
1
f_o
P_A
-
P_w
-
p_o
d
d
time
p_c
=
D_c
sigma_c
V_c
p_ac
-
p_c
+
1
delta
l_2
sigma_c
h
z
-
delta
r_2
p_c
d
d
time
z
=
delta
r_2
sigma_c
p_c
1
-
delta
l_2
h
z
Source
Derived from workspace
Bental, 2006
at changeset
aec2cb935d5e
.
This exposure was expired
.
A more up-to-date related exposure is available
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This work is licensed under a
Creative Commons Attribution 3.0 Unported License
.
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Simplified models for gas exchange in the human lungs
Simplified models for gas exchange in the human lungs
Simplified models for gas exchange in the human lungs
Simplified models for gas exchange in the human lungs