Cryogen 3He4Hee-H2n-H2e-D2n-D2NeN2AirCOArO2CH4Kr
Molecular WeightMkg/kmol 3,0164,00262,01592,01594,02824,028220,18328,01328,962839,94831,99916,04383,8
Normal Boiling Point
(1,01285 bar)
TbK 3,194,22220,2720,39723,6423,6727,10277,34878,8 fl.
81,8 dpf
81,6787,2690,188111,67119,74
Critical Point                
    TemperatureTcK 3,335,2232,9833,2438,2638,3544,39125,98132,5132,91150,68154,78190,7209,7
    Pressurepcbar 1,162,312,9312,9816,4916,6527,2133,9337,6934,9948,6350,846,454,83
    RTcrc/Mpczc- 3,3083,2623,3043,1793,23,2023,253,4263,5283,3973,4243,0082,9423,448
    Tb/Tc-- 0,960,810,610,610,620,620,610,620,6 fl.
0,62 dpf
0,620,580,590,520,57
Triple Point   l-Point             
    TemperatureTtK  2,17313,813,95618,6918,7324,55963,148 68,0983,8254,36190,67115,94
    Pressureptmbar  50,5270,472171,3171,5433126,1 153,7687,51,52116,7731,9
  3He4Hee-H2n-H2e-D2n-D2NeN2AirCOArO2CH4Kr
Density                
    Gas, 273K, 1barρNkg/m3 0,132720,176140,088680,088680,17730,17730,88811,23421,27591,23371,76061,41010,70893,696
    Critical Pointρckg/m3 41,869,531,430,166,967,4483,5311350301530,8380138,1908,5
    Vapour at Tbρ''kg/m3 27,317,213,413,3  9,464,594,4854,4455,724,441,8258,33
    Liquid at Tbρ'kg/m3 58,9124,870,870,81661661204804,2873,9793139911404242413
    Solid at Ttρtkg/m3   87    946  1622   
    At Zero Point T=0, p=0ρ0kg/m3  14688,4   14421137  17071568 3186
    Vol.Gas 273K, 1bar
    from 1m3 Liquid
ρ'/ρNm3/m3 4447097987989379371356652685643795808598653
Latent Heat                
    Evaporation at TblekJ/kg 15,87
(at 1,65K)
20,91446,5448,3303,6304,487,2199,1205,2215,9163,2213,1510,3107,7
    Melting at TtlmkJ/kg  5,22
(103bar)
58,0458,0448,9148,9116,625,73 29,8629,4413,8858,7219,52
    Evapor.-EntropyMle/TskJ/kmolK 14,919,944,444,451,651,664,672747474,674,573,575,2
  3He4Hee-H2n-H2e-D2n-D2NeN2AirCOArO2CH4Kr
Specific Heat Capacity                
    Gas, 273K, 1barcpkJ/kgK 6,895,233 14,21 7,251,031,0421,0061,0420,5210,9182,2350,248
    Vapour at TbcpkJ/kgK 6,895,2310,3110,315,185,161,031,0391,0021,0360,5210,9091,870,248
    Liquid at TbcpkJ/kgK  4,419,39,286,56,121,842,031,962,211,051,73,420,538
    Solid at TtcpkJ/kgK   2,93,032,962,881,3021,691  0,8331,444 0,428
    Debye-TemperatureΘDK  29
(T<0,7K)
  89
(T<13K)
89
(T<12K)
64
(T<12K)
68
(T<20K)
  80
(T<10K)
90,9
(T<15K)
 63
(T<10K)
    cp/cv, 1bar, 300Kκ- 1,661,661,4051,4051,41,41,6681,4011,40171,4011,671,3961,31,689
Vapour Enthalpyh300-hTbkJ/kg  1541,8 3509,5  283,46233,8223,2228,8111,3193,2403,5 
Minimale Liquefaction EnergyeLkJ/kg  6819 12019  13767667387564806381109 
  3He4Hee-H2n-H2e-D2n-D2NeN2AirCOArO2CH4Kr
Dielectric Constant                
    Gas, 273K, 1barε-110-4  0,728 2,64  1,2745,875,896,15,55,3 7,6
    Vapour at Tbε-110-3  6,183,87   1,292,08  1,751,56  
    Liquid at Tbε-  1,04921,225   1,1881,4318  1,521,48371,68 
    Solid at Ttε-   1,248    1,514   1,594  
Surface Tension at Tbσ10-3J/m2 0,00880,093 1,91  4,88,8 9,410,913,614 
Viscosity                
    Gas, 273K, 1barη10-7kg/ms 161185,5 84 118,9296,2166,3171165,5209,8191,993,3233
    Gas at Tc, 1barη10-7kg/ms  13,2 17,5 26,874,886,29288123,111574,5182
    Vapour at Tbη10-7kg/ms 12,113 11 1746555554,3737044,5 
    Liquid at Tbη10-7kg/ms 1935133124 2971240165017001700276019009801600
Heat Conductivity                
    Gas, 273K, 1barλ10-3W/mK  143175168 13146,12424,123,116,424,530,38,78
    Gas at Tc, 1barλ10-3W/mK  10,92525   12,612,211,710,11419 
    Vapour at Tbλ10-3W/mK 13915,815,8   7,57,67,16,58,19 
    Liquid at Tbλ10-3W/mK 1727,2119119134134113139,8142140125148193 
Cryogen 3He4Hee-H2n-H2e-D2n-D2NeN2AirCOArO2CH4Kr

from: R.A. HAEFER: Kryo-Vakuumtechnik: Grundlagen und Anwendungen, Springer-Verlag, Berlin 1981.

Goran Perinic's Homepage


G. Perinic 01.04.2004 (Questions/comments to Goran.Perinic@cern.ch)