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1. °¢Á¾ Àç·áÀÇ ¹æ»çÀ²

 

´ÜÀ§ :(W/sq ft)

Material

Specific heat
[Btu/lb°F]

Material

Polished
surface

Med.
oxide

Heavy
oxide

Black body

 

 

 

1.00

Aluminum

0.24

0.09

0.11

0.22

Brass

0.10

0.04

0.35

0.60

Copper

0.10

0.04

0.03

0.65

Incoloy 800

0.12

0.20

0.60

0.92

Incoloy 600

0.11

0.20

0.60

0.92

Iron, Cast

0.12

--

0.80

0.85

Lead, solid

0.03

--

0.28

--

Magnesium

0.23

--

--

--

Nickel 200

0.11

--

--

--

Nichrome, 80-20

0.11

--

--

--

Solder, 50-50

0.04

--

--

--

Steel

 

 

 

 

mild

0.12

0.10

0.75

0.85

stainless 304

0.11

0.17

0.57

0.85

stainless 430

0.11

0.17

0.57

0.85

Tin, solid

0.056

--

--

--

Zinc

0.10

--

0.25

--

Asbestos

0.25

 

 

 

Asphalt

0.40

 

 

 

Brickwork

0.22

 

Carbon

0.20

Glass

0.20

Paper

0.45

Plastic

0.2-0.5

Rubber

40

Silicon Carbide

0.20-0.23

Textiles

--

Wood,oak

0.45

 

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´ÜÀ§ :(W/sq ft)

Ç¥¸é¿Âµµ
(°F)
Black Body
Heat Loss
Oxidized Steel
Heat Loss
Oxidized Brass
Heat Loss
Oxidized Nickel
Heat Loss
Oxidized Aluminum
Heat Loss

60

0

0

0

0

0

100

20

18

16

15

11

140

44

41

37

35

27

180

90

80

70

50

30

200

100

90

75

55

35

250

150

125

105

90

60

300

200

175

152

125

90

350

275

245

205

165

120

400

350

305

265

220

150

450

450

400

340

275

190

500

555

490

400

345

215

550

700

580

495

410

250

600

830

680

575

480

290

650

-

800

655

555

325

700

-

900

750

650

375

750

-

-

850

730

425

800

-

-

-

825

475

850

-

-

-

-

525

900

-

-

-

-

600

950

-

-

-

-

700

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