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Variable list

Variables

Variable 64 – Wind velocity

Beau-fort-number

Description

Average wind speed on ca. 10m height open and flat terrain

Land conditions

kno

m/s

km/h

0

Calm

<1

0

0

Smoke rises vertically

1

Light air

1 to 3

1

<5

Direction shown by smoke drift.

2

Light breeze

4 to 6

2 to 3

5 to 10

Wind felt on face; leaves rustle; wind vane moved by wind

3

Gentle breeze

7 to 10

4 to 5

around 15

Leaves and small twigs in constant motion; light flags extended

4

Moderate breeze

11 to 15

6 to 7

20 to 25

Raises dust and loose paper; small branches moved

5

Fresh breeze

 

16 to 21

8 to 10

30 to 35

Small trees in leaf begin to sway; crested wavelets form on inland waters

6

Strong breeze

22 to 27

11 to 13

40 to 45

Large branches in motion; whistling heard in telegraph wires; umbrellas used with difficulty

7

High wind,

moderate gale,

near gale

28 to 33

14 to 17

50 to 60

Whole trees in motion; inconvenience felt when walking against the wind.

8

Gale,

fresh gale

34 to 40

18 to 20

65 to 70

Twigs break off trees; generally impedes progress

9

Strong/ severe gale

41 to 47

21 to 24

75 to 85

Slight structural damage (chimney pots and slates removed).

10

Storm, whole gale

48 to 55

25 to 28

90 to 100

Trees uprooted; considerable structural damage.

11

Violent Storm

56 to 63

29 to 32

105 to 115

Trees uprooted; accompanied by widespread damage

12

Hurricane force

over 64

from 33

from 120

Devastation


Variable 70 – Thermal conductivity of bottom material

 

Density

ρ
kg/m³

Design thermal conductivity

λ

W/(m · K)

Specific heat capacity

 

cp

J/(kg · K)

Concrete

Medium density

1800

1,15

1000

2000

1,35

1000

2200

1,65

1000

High density

2400

2,00

1000

Reinforced (with 1% of steel)

2300

2,3

1000

Reinforced (with 2% of steel)

2400

2,5

1000

(The density of concrete is stated as dry bulk density)

Variable 72 – Thermal conductivity of bottom insulation

s. Thermal conductivity of insulation

Variable 74 – Thermal conductivity of shell material

s. Thermal conductivity of vessel material

Variable 76 – Thermal conductivity of shell insulation

s. Thermal conductivity of insulation

Variable 78 – Thermal conductivity of roof material

s. Thermal conductivity of vessel material

Variable 80 – Thermal conductivity of roof insulation

s. Thermal conductivity of insulation

Variable 90 – Degree of emission of roof

s. Emissivity

Variable 91 – Degree of emission of product

s. Emissivity

Variable 107 – Thermal conductivity of tube wall

s. Thermal conductivity of vessel material

Variable 137 – Fouling resistance inside

s. Typical fouling resistances

Variable 138 – Fouling resistance outside

s. Typical fouling resistances


Variable 158 – Thermal conductivity of soil

Thermal conductivity of soil at 20°C

 

Density

ρ
kg/m³

Design thermal conductivity λ

W/(m · K)

Volume related heat capacity

ρ · cp

J/(m³ · K)

Clay, Silt

1200-1800

1.5

3.0 x 106

Sand, Gravel

1700-2200

2.0

2.0 x 106

Homogenous rock

-

3.5

2.0 x 106

Soil (of unknown consistency)

-

2.0

2.0 x 106

 

 

Variable 179 – Specific heat capacity of the storage tank

Specific heat capacity c in J/(kg·K) dependent on temperature

No.

DIN Description

Material number

Specific Heat Capacity c
J/(kg·K)

High temperature steels, unalloyed

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

1

St 35.8

1.0305

430

500

540

580

620

690

780

 

 

 

 

2

St 37.8

1.0315

430

500

540

580

620

690

780

 

 

 

 

3

St 45.8

1.0405

430

500

540

580

620

690

780

 

 

 

 

4

St 42.8

1.0498

430

500

540

580

620

690

780

 

 

 

 

5

P 235 GH

1.0345

460

490

520

560

610

680

 

 

 

 

 

6

P 265 GH

1.0425

460

490

520

560

610

680

 

 

 

 

 

High temperature steels, low-alloyed

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

7

P 295 GH

1.0481

430

500

540

580

620

690

780

 

 

 

 

8

19 Mn 5

1.0482

430

500

540

580

620

690

780

 

 

 

 

9

16 Mo 3

1.5415

430

500

540

580

620

690

780

 

 

 

 

10

16 Mo 5

1.5423

430

500

540

580

620

690

780

 

 

 

 

11

15 MnNi 6-3

1.6210

430

500

540

580

620

690

780

 

 

 

 

12

20 MnMoNi 5-5

1.6310

430

500

540

580

620

690

780

 

 

 

 

13

15 NiCuMoNb 5-6-4

1.6368

430

500

540

580

620

690

780

 

 

 

 

14

13 CrMo 4-5

1.7335

430

500

540

580

620

690

780

 

 

 

 

15

12 CrMo 19-5

1.7362

420

490

530

560

610

670

760

 

 

 

 

16

10 CrMo 9-10

GS-12 CrMo 9-10

1.7380

430

500

540

580

620

690

780

 

 

 

 

17

14 MoV 6-3

1.7715

430

500

540

580

620

690

780

 

 

 

 


No.

DIN Description

Material number

Specific Heat Capacity c
J/(kg·K)

High temperature steels, high-alloyed

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

18

X 10 CrMoVNb 9-1

1.4903

430

500

540

580

620

690

780

 

 

 

 

19

X 20 CrMoV 11-1

1.4922

450

490

540

580

630

710

830

 

 

 

 

20

X 8 CrNiMoNb 16-16

1.4981

450

500

530

540

550

580

610

610

610

 

 

21

X 12 CrMo 9-1

1.7386

430

500

540

580

620

690

780

 

 

 

 

Highly heat resisting steels

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

22

X 3 CrNiMoBN 17-13-3

1.4910

450

500

530

540

550

580

610

610

610

 

 

23

X 6 CrNiMoB 17-12-2

1.4919

450

500

530

540

550

580

610

610

610

 

 

24

X 6 CrNi 18-10

1.4948

450

500

530

540

550

580

610

610

610

 

 

25

X 3 CrNiN 18-11

1.4949

450

500

530

540

550

580

610

610

610

 

 

Heat-resistant steels

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

26

X 10 CrAlSi 7

1.4713

430

490

530

560

610

670

770

920

 

 

 

27

X 18 CrN 28

1.4749

500

 

 

 

 

 

 

 

 

 

 

28

X 15 CrNiSi 20-12

1.4828

470

500

530

530

560

580

600

610

610

620

640

29

X 10 NiCrAlTi 32-21

1.4876

470

500

530

530

560

580

600

610

610

620

640

30

X 5 NiCrNbCe 32-27

1.4877

445

 

 

 

 

 

 

 

 

 

 


No.

DIN Description

Material number

Specific Heat Capacity c
J/(kg·K)

Stainless and acid-resistant steels

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

31

X 6 Cr 17

1.4016

450

500

540

580

640

740

880

 

 

 

 

32

X 17 CrNi 16-2

1.4057

460

 

 

 

 

 

 

 

 

 

 

33

X 5 CrNi 18-10

1.4301

470

500

530

530

560

580

600

610

610

 

 

34

X 3 CrTi 17

1.4510

450

500

540

580

640

740

880

 

 

 

 

35

X 6 CrNiTi 18-10

1.4541

470

500

530

530

560

580

600

610

610

620

640

36

X 6 CrNiNb 18-10

1.4550

470

500

530

530

560

580

600

610

610

620

640

37

X 6 CrNiMoTi 17-12-2

1.4571

470

500

530

530

560

580

600

610

610

620

640

Case-hardened and heat-treated steels

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

38

C 22

1.0402

440

480

520

560

600

660

750

 

 

 

 

39

C 45 E

1.1191

440

480

520

560

600

660

750

 

 

 

 


No.

DIN Description

Material number

Specific Heat Capacity c
J/(kg·K)

Fine-grain and low-temperature steels

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

40

St E 255

1.0461

430

500

540

580

620

690

 

 

 

 

 

41

P 460 N

1.8905

430

500

540

580

620

690

 

 

 

 

 

Temperature °C

-190

-150

-100

-50

-25

0

 

 

 

 

 

42

13 MnNi 6-3

1.6217

270

340

400

420

460

 

 

 

 

 

 

Aluminum alloys

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

43

EN AW-Al 99,0

EN AW-1200

 

 

 

 

 

 

 

 

 

 

 

44

EN AW-AlMn 1 Cu

EN AW-3003

 

 

 

 

 

 

 

 

 

 

 

45

EN AW-AlMg 2,5

EN AW-5052

 

 

 

 

 

 

 

 

 

 

 

46

EN AW-AlMg 4,5 Mn 0,7

EN AW-5083

 

 

 

 

 

 

 

 

 

 

 

47

EN AW-AlMg 1 SiCu

EN AW-6061

1106

 

 

 

 

 

 

 

 

 

 

48

EN AW-AlMg 1 Si

EN AW-6060

1106

 

 

 

 

 

 

 

 

 

 

Copper alloys

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

49

CuNi 10 Fe 1 Mn

CW 352 H

(362)

399

419

426

431

460

498

494

474

480

 

50

CuNi 30 Mn 1 Fe

CW 354 H

(354)

399

427

444

454

472

486

496

500

500

 

51

CuZn 39 Pb 3

(Ms 58)

CW 614 N

410

 

 

 

 

 

 

 

 

 

 

52

CuZn 39 Pb 0.5

(Ms 60 Pb)

CW 610 N

 

 

 

 

 

 

 

 

 

 

 

53

CuZn 28 Sn 1 As

(50 Ms 71)

(Mittl. cp zwischen 0°C und J)

CW 706 R

376

 

 

399

405

413

 

442

453

460

 

54

CuZn 38 Sn 1(50 Ms 60)

CW 717 R

 

 

 

 

 

 

 

 

 

 

 

55

CuZn 20 Al 2 As

(50 Ms 76)

CW 702 R

376

 

 

 

 

 

 

 

 

 

 

56

CuSn 4

(Phosphorbronze)

CW 450 K

368

 

 

 

 

 

 

 

 

 

 

57

CuAl 8 Fe 3

(Aluminiumbronze)

CW 303 G

435

 

 

 

 

 

 

 

 

 

 

No.

DIN Description

Material number

Specific Heat Capacity c
J/(kg·K)

Nickel alloys

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

58

Ni 99,2

2.4066

 

 

 

 

 

 

 

 

 

 

 

59

NiCu 30 Fe

2.4360

428

441

459

478

 

 

 

 

 

 

 

60

NiCr 15 Fe

2.4816

(460)

 

 

 

 

 

 

 

 

 

 

61

NiCr 21 Mo

2.4858

(460)

 

 

 

 

 

 

 

 

 

 

62

NiCr 22 Mo 9 Nb

2.4856

(460)

 

 

 

 

 

 

 

 

 

 

63

NiMo 16 Cr 15 W

2.4819

(376)

 

 

 

 

 

 

 

 

 

 

64

NiMo 16 Cr 16 Ti

2.4610

(376)

 

 

 

 

 

 

 

 

 

 

65

NiMo 28

2.4617

(376)

 

 

 

 

 

 

 

 

 

 

Other materials

Temperature °C

20

100

200

300

400

500

600

700

800

900

1000

66

Ni 36

1.3912

477

520

566

524

508

506

 

 

 

 

 

67

TiAl 6 V 4

3.7165

(499)

565

592

606

619

657

 

 

 

 

 

68

EN-GJS-415

EN-JS 1030

461

527

569

593

606

 

 

 

 

 

 

69

GG(m. Lamellengrafit)

 

468

519

569

616

662

713

 

 

 

 

 

ã Springer-Verlag Berlin Heidelberg 2013