XVI. HEMISPHERICAL TOTAL EMITTANCE

CONTENTS -

A. Aluminum B. Copper C. Iron

XVI-INDEX

HEMISPHERICAL TOTAL EMITTANCE -- ALUMINUM DATA TABLE

RECOMMENDED EMISSIVITY

50 0.01 io. 02 100 0. 02 200 0. 03 3 00 0. 04 400 0.045

500 0.055 600 0. 06 700 0. 06 800 0. 07 850 0. 075

CURVE l*

76 0.026

CURVE 2*

76 Q. 018

CURVE 3*

281 0. 07 266 0. 07 260 0. 07 252 0. 07 244 0. 07 234 0. 07 227 0. 07

CURVE 4

375 3 85 393 398 403 419 433 4 53

0. 28 0. 33 0.32 0.31 0. 33 0. 28 0. 28 0. 27 *

CURVE 5

384 395 409 420 42 8 440 452 466

0. 17 0. 18

0. 18 0. 17 0. 17 0. 16 0. 15

0. 18

T (K) €

CURVE 6*

423 0.050 473 0. 053 523 0.055 573 0. 058 623 0.059

CURVE 7*

573 0.102 673 0.115 773 0. 130 873 0. 113

CURVE 8

588.72 0. 48 644.27 0. 40 699. 83 0.40 755.38 0. 48 810.94 0.40

-~ * Not shown on figure.

m

CJ

.Q

)

d E fi P

!% I= 0

cd N

k

aJ 0

cd k cd

.CI

4

.L(

c)

W

I4 m

Jz

4

u B

c

b

a

2 zs

.d

0

a

m

4

0

$2 -a

cd -

4m

c

.d

a -la

k

cd 2 2 N k 3

Q4

P

c)

o? cd 1

4

.-.I

7J ql Ll 3

La cd

z .- m P

E

E 0 0 M

c .r(

fi .r(

4

0 a

P

c cd

Ll Q

)

a

a > VI cd Ll a

(3

c) c m 4 .r(

z 2

$

'3

5

c)o

ccd

VI>

-e

.rl

8 -r(

iti d-

c)

f.., c 0

e-

CY c\1 (3

I

m

54

9

..

m

n

e-

=

In

L?

XV

I-A-2

51 E c

t- L1

c)

E 3 z z L;1 4 I

Q H I td

I w

E

11 EC OMhl ENDED EMISSIVITY

50 0.02 *to. 01 100 0. 025

300 0. 03 200 0. 03

400 0.035 500 600 700 R O O 900

1000 1100 1200

0. 035 0. 04 0. 04 0. 04 0. 04 k0. 02 0. 0.1 0. 045 0. 045

I 1 EM IS PI 1 Ell 1 C A L TUl'A L EM ITT A N C E - - C 0 P PEII

DATA ?'AUI,E

E' T (K) - CURVE 1'

76 0.015

CURVE 2*

76 0. Q3

CURVE 3* - 300 0. 38

CURVE 4* - 323 0. 040 473 .' 0. 035 G 73 0. 036 873 0. 038

1073 0. 045 1173 0. 050

CURVE 5" - 373 0. 030 423 0. 030 4 73 0. 0 3 1 523 0. 031 573 0. 032 623 0. 032

T (1c) E CUIIVE G*'

5HB. 7 6/14. 3 639.8 755.4 810.9 UGG. 5 922.0

1033.2

0.495 0. 500 0.525 0.545 0.595 0. 640 0.710 0.855

CUliVE 7 - G23 0.200

723 0.280 G 73 8.275

773 0.275 873 0.250 943 0.225

CUAVE 8

743 0.43 8 23 0. 43 923 0.43 973 0. 43

4

--,.

3' Q)

'3 0

k

k 0

O

-0

d

cd -0

a N

.r(

s 6 0

0

m

0

m

t- 4

d I

m

@a m

0

-4

XVL-B-2

c

(D

'6

Y

U

P)

N

P)

Q,

'E

0

r

CP

XVI-B-3

0.9

I

I ~

I I !

I

_-. - - .. ~ . . . . . - - .. . -. . . . . .. .

0.8

g 0.7 c . 0 c c *-

E 0.6 W - 0 c

0.5 - 0 0 .- 0.4

In .- E

0.3

I 0.2 -

0.1 - Note scale change M.P. 1810K

0.0 + I 1 I 1 I I I I I t I I I .

0 100 200 300 400 500 600 700 800 900 1000 1200 1400 1600 1800 Temperature, K

Hemispherical Total Emittance -- Iron