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NATIONAL
,. TECHNICAL .. ADVISORY
MEMORANDUMS
COMMITTEE
-
,.
FOR iERO~ATJTICs
,.:
No, 869 -
..
“THECONVERSION
OF ENERGY
IN A RADIATOR
propulsion -+1 -__.-l------
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Speed (c) Warm radiator, no nozzle.
Speed id) Warm radiator, nozzle.
Figure 6.- Working process of radiator in the pressure-speed diagram.
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c) .
—>
rl=l [ je
Nozzle’(variable)
Diffuser‘“(fixed)
.8 Tigure ~.- Control of installed radiator thru adjustment of nozzle with fixed diffuser. .4
(3=1
1.0 \
n
\ /,
.
.8
0 \ \
.6 .———.
-.4 .4 -.
1.8-”
.2
\
-+
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0
—.
1 ,2
A
-.8
o
~ =10” .h .4
.6
.8
Figure 9.- Heating of air in the radiator.
qae 1
.2
.~
.6
.8
1
~ae
Figure 10.- Nondimensionalresistance of radiatorswithout.nozzle.
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