Use of the Padé approximants for calculating the second virial coefficient
1981 ◽
Vol 46
(3)
◽
pp. 542-551
◽
Keyword(s):
The expansions in reduced temperature, occurring in relations for the second virial coefficient of the power-law potentials were expressed by the Pade approximant. For the Kihara potential it is proved that the functions F1(T*), F2(T*) and F3(T*) and consequently the whole virial coefficient can bee expressed for reduced temperatures T* 0.6 with a good accuracy by means of a simple Pade approximant. To describe quantum effects on the second virial coefficient of low-molecular gases at low temperatures a simple approximant was formulated on the basis of the Wigner-Kirkwood expansion allowing to correlate data on the second virial coefficient even in the temperature range where the use of the Wigner-Kirkwood expansion already fails.
1974 ◽
Vol 29
(1)
◽
pp. 137-139
◽
1996 ◽
Vol 11
(29)
◽
pp. 2325-2333
◽
1977 ◽
Vol 86
(3)
◽
pp. 613-621
◽
1967 ◽
Vol 63
(0)
◽
pp. 1320-1329
◽
1959 ◽
Vol 250
(1261)
◽
pp. 222-247
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