300 , 000
|
PN
280, 000
Pp
MS
Note:
T
Bars show amount
of air sampled in the
~,
altitude increment using
optimum impactor size
NO
from Figure 3.
260 , 000
D7 5
MW 223 pounds
Ib.
Asymptote
240,000}
Altitude Sampling Starts, ft
220,000 SY
wa,00
PS
Pounds sampled
from altitude to
DN
180,000
>
160,000
_™
|
100,000 feet
!
SY
!
75 Lb.
—~
|
|
NN
|
<Q
Constant tip
—
speed
|
f
140,000;— 77 1b =
|
Eq. 4
)
120,000k— 113 1p. oN
102 Lb.
100, 000
|
M
0
50
100
150
200
|
250
300
Air Sampled (lbs)
Fig. 4 -- Pounds of Air Sampled versus Altitude
109