Elements of Propulsion: Gas Turbines and Rockets

Appendix A: Altitude Tables

A.1 Units

Table A.1: British Engineering (BE) units [a]

h, kft

?, P/ P std

Standard day ?, T/ T std

Cold day ?, T/ T std

Hot day ?, T/ T std

Tropical day ?, T/ T std

h, kft

0

1.0000

1.0000

0.7708

1.0849

1.0594

0

1

0.9644

0.9931

0.7972

1.0774

1.0520

1

2

0.9298

0.9863

0.8237

1.0700

1.0446

2

3

0.8963

0.9794

0.8501

1.0626

1.0372

3

4

0.8637

0.9725

0.8575

1.0552

1.0298

4

5

0.8321

0.9656

0.8575

1.0478

1.0224

5

6

0.8014

0.9588

0.8575

1.0404

1.0150

6

7

0.7717

0.9519

0.8575

1.0330

1.0076

7

8

0.7429

0.9450

0.8575

1.0256

1.0002

8

9

0.7149

0.9381

0.8575

1.0182

0.9928

9

10

0.6878

0.9313

0.8565

1.0108

0.9854

10

11

0.6616

0.9244

0.8502

1.0034

0.9780

11

12

0.6362

0.9175

0.8438

0.9960

0.9706

12

13

0.6115

0.9107

0.8375

0.9886

0.9632

13

14

0.5877

0.9038

0.8312

0.9812

0.9558

14

15

0.5646

0.8969

0.8248

0.9738

0.9484

15

16

0.5422

0.8901

0.8185

0.9664

0.9410

16

17

0.5206

0.8832

0.8121

0.9590

0.9336

17

18

0.4997

0.8763

0.8058

0.9516

0.9262

18

19

0.4795

0.8695

0.7994

0.9442

0.9188

19

20

0.4599

0.8626

0.7931

0.9368

0.9114

20

21

0.4410

0.8558

0.7867

0.9294

0.9040

21

22

0.4227

0.8489

0.7804

0.9220

0.8965

22

23

0.4051

0.8420

0.7740

0.9145

0.8891

23

24

0.3880

0.8352

0.7677

0.9071

0.8817

24

25

0.3716

0.8283

0.7613

0.8997

0.8743

25

26

0.3557

0.8215

0.7550

0.8923

0.8669

26

27

0.3404

0.8146

0.7486

0.8849

0.8595

27

28

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