Research Article
Thermodynamic Properties of Vapors from Speed of Sound
Table 3
The calculated and the reference
at
.
| Substance | [MPa] | × 103 [K−1] | Calculated | Reference |
| Ar = 140 K | 0.8107563 1.4993690 2.0729260 2.5387200 2.9042320 3.1682270 | 0.9873 1.9681 2.9453 3.9234 4.9117 5.8890 | 0.9873 1.9681 2.9455 3.9240 4.9134 5.8933 |
| N2 = 115 K | 0.4788111 0.8932118 1.2462020 1.5408300 1.7801230 1.9370410 | 1.1037 2.2079 3.3152 4.4349 5.5829 6.5622 | 1.1037 2.2081 3.3158 4.4364 5.5865 6.5692 |
| CH4 = 180 K | 0.8598106 1.5796330 2.1691930 2.6385480 2.9977680 3.2851810 | 0.8467 1.6841 2.5078 3.3268 4.1575 5.1380 | 0.8467 1.6841 2.5079 3.3273 4.1589 5.1412 |
| CO2 = 290 K | 1.5005140 2.7299300 3.7114140 4.4685400 5.0247630 5.3177280 | 0.6973 1.3783 2.0445 2.7004 3.3553 3.8461 | 0.6973 1.3783 2.0445 2.7005 3.3555 3.8472 |
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