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Ecuaciones y Conversiones Útiles
Ecuaciones de área
The volume of air flowing through a duct or vent can be determined by taking the area of
the duct in square units (i.e. square feet) and multiplying this value by the measured
linear velocity ( i.e. feet per minute). This gives: ft/min x ft
Ecuaciones cúbicas
CFM (ft
CMM (m
Tabla de conversión de unidades
m/s
1 m/s
1 ft/min
0.00508
1 Knot
0.5144
1 km/hr
0.2778
1 MPH
0.4464
W
A = W x H
3
/min) = Velocidad del aire (ft/min) x Área (ft
3
/min) = Velocidad del aire (m/sec) x Área (m
ft/min
1
196.87
1
101.27
54.69
87.89
2
R
H
A = pi x R
Knots
1.944
0.00987
1
0.54
0.8679
7
3
= ft
/min (CFM)
2
2
)
2
) x 60
km/hr
MPH
3.6
2.24
0.01829
0.01138
1.8519
1.1523
1
0.6222
1.6071
1
Model 407123sp Version 5.0 3/05
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