\[\left\{\begin{array}l\dfrac{L_1}{L_0}=\operatorname{th}\left[\dfrac{L_1T_\mathrm c}{L_0T_1}\right]\\\dfrac{L_2}{L_0}=\operatorname{th}\left[\dfrac{L_2T_\mathrm c}{L_0T_2}\right]\end{array}\right.\implies L_1\operatorname{th}\left[\dfrac{L_2T_\mathrm c}{L_0T_2}\right]=L_2\operatorname{th}\left[\dfrac{L_1T_\mathrm c}{L_0T_1}\right]\implies\frac{T_\mathrm c}{L_0}=\frac{T_2}{L_2}\operatorname{arth}\left[\frac{L_2}{L_1}\operatorname{th}\left[\frac{L_1}{T_1}\frac{T_\mathrm c}{L_0}\right]\right]\\\implies L_0=L_1\Bigg/\operatorname{th}\left[\frac{L_1}{T_1}\frac{T_\mathrm c}{L_0}\right],\quad T_\mathrm c=L_0\times\frac{T_\mathrm c}{L_0}\]
$t_1,~{}^\circ\mathrm C$ | $L_1,~\frac{кДж}{кг}$ | $t_2,~{}^\circ\mathrm C$ | $L_2,~\frac{кДж}{кг}$ | $T_\mathrm c,~К$ | $L_0,~\frac{кДж}{кг}$ | |
151.8 | 2108 | 247.3 | 1728 | 652.5 | 2419 | |
158.8 | 2086 | 253.2 | 1697 | 653.2 | 2417 | |
165.0 | 2066 | 258.8 | 1667 | 653.8 | 2414 | |
170.4 | 2048 | 263.9 | 1638 | 654.1 | 2412 | |
175.4 | 2030 | 266.4 | 1624 | 654.8 | 2409 | |
179.9 | 2014 | 271.1 | 1596 | 655.0 | 2407 | |
184.1 | 1999 | 277.7 | 1556 | 655.5 | 2405 | |
188.0 | 1985 | 281.9 | 1530 | 655.9 | 2404 | |
191.6 | 1971 | 285.8 | 1504 | 656.0 | 2402 | |
195.0 | 1958 | 289.6 | 1478 | 656.1 | 2401 | |
198.3 | 1946 | 293.2 | 1453 | 656.1 | 2402 | |
201.4 | 1934 | 296.7 | 1428 | 656.1 | 2401 | |
204.3 | 1922 | 300.1 | 1403 | 656.1 | 2400 | |
209.8 | 1900 | 303.3 | 1378 | 656.0 | 2400 | |
212.4 | 1889 | 306.5 | 1353 | 656.2 | 2399 | |
217.2 | 1868 | 309.5 | 1328 | 656.2 | 2398 | |
221.8 | 1849 | 312.4 | 1304 | 656.0 | 2400 | |
228.1 | 1820 | 315.3 | 1279 | 656.1 | 2398 | |
233.8 | 1794 | 318.0 | 1254 | 655.8 | 2400 | |
240.9 | 1760 | 320.7 | 1229 | 655.6 | 2401 |
Примечание: Пересчитайте не менее 20 точек, старайтесь покрыть диапазон однородно. Это увеличит точность ваших дальнейших расчётов.
$1/T,~10^{-3}~К^{-1}$ $L,~кДж/кг$ $1/T,~10^{-3}~К^{-1}$ $L,~кДж/кг$ 1.54 395 2.14 1961 1.60 879 2.20 2007 1.66 1144 2.26 2047 1.72 1334 2.32 2082 1.78 1481 2.38 2113 1.84 1599 2.44 2141 1.90 1697 2.50 2165 1.96 1779 2.56 2188 2.02 1849 2.62 2207 2.08 1909 2.68 2225