Rocket Thrust Coefficient Tables (Gamma = 1.4)
e | Expansion area ratio |
Me: | Mach number at exit plane |
pe/pc: | Ratio of pressure at exit plane to chamber pressure |
Cf-opt: | Thrust coefficient assuming optimal expansion |
Cfv: | Vacuum thrust coefficient |
epsilon Me pe/pc Cf-opt Cfv
1.0 1.000 0.5281116 0.73976 1.26788
2.0 2.197 0.0939326 1.26973 1.45760
3.0 2.637 0.0472987 1.38183 1.52373
4.0 2.940 0.0297870 1.44199 1.56114
5.0 3.175 0.0209927 1.48113 1.58609
6.0 3.368 0.0158407 1.50926 1.60431
7.0 3.533 0.0125155 1.53077 1.61837
8.0 3.677 0.0102208 1.54791 1.62968
9.0 3.806 0.0085578 1.56200 1.63902
10.0 3.923 0.0073064 1.57387 1.64693
11.0 4.029 0.0063363 1.58403 1.65373
12.0 4.127 0.0055661 1.59288 1.65967
13.0 4.218 0.0049421 1.60066 1.66491
14.0 4.304 0.0044282 1.60759 1.66959
15.0 4.384 0.0039988 1.61381 1.67380
16.0 4.459 0.0036356 1.61944 1.67761
17.0 4.531 0.0033251 1.62456 1.68108
18.0 4.599 0.0030570 1.62925 1.68427
19.0 4.664 0.0028237 1.63356 1.68721
20.0 4.725 0.0026190 1.63755 1.68993
epsilon Me pe/pc Cf-opt Cfv
21.0 4.785 0.0024384 1.64125 1.69246
22.0 4.842 0.0022780 1.64470 1.69481
23.0 4.896 0.0021347 1.64792 1.69702
24.0 4.949 0.0020060 1.65094 1.69909
25.0 5.000 0.0018900 1.65378 1.70103
26.0 5.049 0.0017850 1.65646 1.70287
27.0 5.097 0.0016895 1.65899 1.70461
28.0 5.143 0.0016024 1.66138 1.70625
29.0 5.188 0.0015227 1.66366 1.70781
30.0 5.231 0.0014495 1.66582 1.70930
31.0 5.273 0.0013820 1.66787 1.71072
32.0 5.314 0.0013198 1.66983 1.71207
33.0 5.354 0.0012622 1.67171 1.71336
34.0 5.393 0.0012087 1.67350 1.71459
35.0 5.431 0.0011589 1.67521 1.71578
36.0 5.468 0.0011126 1.67686 1.71691
37.0 5.505 0.0010693 1.67844 1.71800
38.0 5.540 0.0010288 1.67996 1.71905
39.0 5.575 0.0009909 1.68142 1.72006
40.0 5.609 0.0009553 1.68282 1.72103
epsilon Me pe/pc Cf-opt Cfv
41.0 5.642 0.0009218 1.68418 1.72197
42.0 5.675 0.0008902 1.68549 1.72288
43.0 5.706 0.0008605 1.68675 1.72375
44.0 5.738 0.0008324 1.68797 1.72460
45.0 5.768 0.0008058 1.68916 1.72542
46.0 5.799 0.0007806 1.69030 1.72621
47.0 5.828 0.0007568 1.69141 1.72698
48.0 5.857 0.0007341 1.69249 1.72772
49.0 5.886 0.0007126 1.69353 1.72845
50.0 5.914 0.0006922 1.69454 1.72915
52.0 5.969 0.0006542 1.69648 1.73050
54.0 6.022 0.0006196 1.69831 1.73177
56.0 6.073 0.0005880 1.70005 1.73298
58.0 6.123 0.0005590 1.70170 1.73412
60.0 6.171 0.0005324 1.70327 1.73521
62.0 6.218 0.0005079 1.70476 1.73625
64.0 6.264 0.0004853 1.70619 1.73725
66.0 6.309 0.0004643 1.70755 1.73820
68.0 6.353 0.0004448 1.70886 1.73910
70.0 6.395 0.0004267 1.71011 1.73998
epsilon Me pe/pc Cf-opt Cfv
72.0 6.437 0.0004098 1.71131 1.74081
74.0 6.477 0.0003940 1.71246 1.74162
76.0 6.517 0.0003792 1.71357 1.74239
78.0 6.556 0.0003653 1.71464 1.74313
80.0 6.594 0.0003523 1.71567 1.74385
82.0 6.631 0.0003401 1.71666 1.74454
84.0 6.668 0.0003285 1.71762 1.74521
86.0 6.703 0.0003176 1.71854 1.74586
88.0 6.739 0.0003074 1.71944 1.74648
90.0 6.773 0.0002976 1.72030 1.74709
95.0 6.856 0.0002755 1.72235 1.74852
100.0 6.936 0.0002560 1.72425 1.74985
105.0 7.013 0.0002387 1.72601 1.75108
110.0 7.087 0.0002234 1.72766 1.75224
115.0 7.158 0.0002096 1.72921 1.75332
120.0 7.226 0.0001973 1.73066 1.75434
125.0 7.292 0.0001861 1.73203 1.75529
130.0 7.356 0.0001760 1.73332 1.75620
135.0 7.418 0.0001668 1.73454 1.75706
140.0 7.478 0.0001583 1.73570 1.75787
epsilon Me pe/pc Cf-opt Cfv
145.0 7.537 0.0001506 1.73680 1.75864
150.0 7.593 0.0001435 1.73785 1.75938
155.0 7.649 0.0001370 1.73885 1.76008
160.0 7.702 0.0001309 1.73980 1.76075
165.0 7.755 0.0001253 1.74071 1.76139
170.0 7.806 0.0001201 1.74158 1.76200
175.0 7.856 0.0001152 1.74242 1.76259
180.0 7.905 0.0001107 1.74322 1.76315
185.0 7.952 0.0001065 1.74400 1.76370
190.0 7.999 0.0001025 1.74474 1.76422
200.0 8.089 0.0000953 1.74615 1.76521
210.0 8.176 0.0000889 1.74745 1.76613
220.0 8.259 0.0000832 1.74868 1.76699
230.0 8.340 0.0000781 1.74982 1.76779
240.0 8.417 0.0000736 1.75090 1.76855
250.0 8.492 0.0000694 1.75191 1.76927
260.0 8.565 0.0000657 1.75287 1.76994
270.0 8.635 0.0000622 1.75378 1.77058
280.0 8.703 0.0000591 1.75464 1.77119
290.0 8.769 0.0000562 1.75546 1.77176
epsilon Me pe/pc Cf-opt Cfv

