300, 000

a

280,000

aw

Lax 2.2.28

260,000

bN

™
240,000

~~

Altitude, feet

220,000

N

\
180,000

moo

+3 3 nl

LE

|

120,000

Blad

jo

—

seacion

N

nL

S aw

aL,

100 ,00g -O001

max

|

|

P

0.0002

aN
A

~~“

L"ax F 0.068—A\

25,790
L

L

0.0004

S

bi max * 0.0664] PS

4
e

™~“

DA

NY

Aad

d= 10.6 L"

™~

NL

Detail of Focusing Array Impactor

_

SN

™N

NN

yo *
5 Gy

Lit = 0.149

NL

SY

SiN
ON
NO
NNLf

}—

[

140,000

>a

IN

200,000

160,000

nw

L"vax 7 02336

~
NY

fo

{

{

0.0006

J

0.001

i

0.002

L

0,004

l

0,006

hs

0.01

Minimum Particle Diameter Collected with 80 Per Cent Efficiency d.,» (microns)

Fig. 3 -- Effect of Focusing Array Impactor Dimensions
on Minimum Particle Size Collected

107

Select target paragraph3