Data table : variation of gases viscosity as a function … s) Thermal conductivity (W m-1 K-1) Specific heat (J K-1 kg-1) ≡ / Notes Refs. Please contact us at powder.process@protonmail.com. Viscosity of common gases Viscosity of gases at atmospheric pressure from -150 to 600 celsius, among which air, nitrogen, oxygen, steam.
Density of Liquid Helium [At SaturationJ Compressibility Factor Specific Heat 1. Liquid Helium (At Saturation) 2. 3. Gaseous Helium Surface Tension Liquid Helium Viscosity 1. DOI: 10.1103/RevModPhys.26.172. In addition, viscosity-density measurements on helium, neon, and krypton were made on two selected isotherms each. 1. U.D.C m»!
Thermophysical Properties of Fluid Systems. DOI: 10.1063/1.1712306. The method used was that of a disk oscillating between two plates with moderate gaps, and the measurements were relative to nitrogen. Reviews of Modern Physics 1954 , 26 (2) , 172-236. Helium: 1.87: 1.96: 2.10: 2.32: 2.73: 3.12: 3.48: 3.84: 4.18: Hydrogen: 0.84: 0.88: 0.94: 1.04: 1.21: 1.37: 1.53: 1.69: 1.84: Methane: 1.03: 1.10: 1.19: 1.35: 1.63: 1.88: 2.11: 2.33: 2.53: Neon: 2.98: 3.13: 3.36: 3.70: 4.32: 4.89: 5.43: 5.94: 6.44: Nitrogen: 1.66: 1.76: 1.89: 2.12: 2.51: 2.86: 3.19: 3.49: 3.78: Nitrous oxide: 1.37: 1.47: 1.61: 1.84: 2.29: 2.70: 3.07: 3.40: 3.70: Oxygen: 1.95: 2.04: 2.18: 2.44: 2.93: 3.37: … Liquid Helium [At Saturationj 2. Viscosity (Poise) Air: 0.00018: Helium: 0.00019: Methane: 0.00020: Nitrogen: 0.00018: … Helium: He 19.85 0.153 3116 2.47 Neon: Ne 31.75 0.0492 618 2.51 Argon: Ar 22.61 0.0178 313 2.52 Krypton: Kr 25.38 0.0094 149 2.49 Xenon: Xe 23.08 0.0056 95.0 2.55 Radon: Rn ≈26 ≈0.00364 Gaseous Helium Dielectric Constant 1. :62U34.3t . All measurements show that the estimated total uncertainty of ±0.15 to ±0.4% in viscosity and of ±0.02 to ±0.05% in density is clearly met. Fluid Properties Calculator Instructions. Question or remark ? Liquid Helium 2. 224 The Properties of Helium: Density, Specific Heats. Variation of gas viscosity with temperature. Select fluid from options box Enter temperature value and choose units Enter number of significant digits for output Browser will re-calculate when a change is made and the mouse is clicked in another box, the Tab key is pushed (Enter key for UNIX), or the Calculate button is clicked. Viscosity of Helium and Nitrogen and their Mixtures at Low Temperatures and Elevated Pressures. Cp of Helium Heat of Vaporization Enthalpy Thermal Conduct iv i ty 1. The Journal of Chemical Physics 1967 , 47 (8) , 2836-2849. The Properties of Helium: Density, Specific Heats, Viscosity, and Thermal Conductivity at Pressures from 1 to 100 bar and from Room Temperature to about 1800 K by Helge Petersen September, 1970 Sain dUiributort: JUL GjiUtrap, 17, »Wpdt, DK-U07 Capubaftn K, Dnaurk .