本文仅供学习使用
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流量 flow rate
q
q
q
m
3
/
s
m^3/s
m3/s
体积 volume
V
V
V
m
3
m^3
m3
高度 heigh
h
h
h
m
m
m
压强 pressure
p
p
p
N
/
m
(
p
a
s
c
a
l
)
N/m\left( pascal \right)
N/m(pascal)
静压 Hydrostatic Pressure
p
H
y
d
r
o
=
F
H
y
d
r
o
A
=
m
g
A
=
ρ
g
h
p_{\mathrm{Hydro}}=\frac{F_{\mathrm{Hydro}}}{A}=\frac{mg}{A}=\rho gh
pHydro?=AFHydro??=Amg?=ρgh
绝对压强 Asolute Pressure
p
a
b
s
=
p
a
+
p
H
y
d
r
o
=
p
a
+
ρ
g
h
p_{abs}=p_{\mathrm{a}}+p_{\mathrm{Hydro}}=p_{\mathrm{a}}+\rho gh
pabs?=pa?+pHydro?=pa?+ρgh
表压 Gauge Pressure
P
g
a
u
g
e
=
p
a
b
s
?
p
a
=
ρ
g
h
P_{\mathrm{gauge}}=p_{abs}-p_{\mathrm{a}}=\rho gh
Pgauge?=pabs??pa?=ρgh
流阻 Fluid Resistance
质量守恒 Conservation of Mass