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Abstract
The helium solubility characteristics of six low-viscosity lubricating oils have been investigated; namely, diester, aryl phosphate ester, dimethyl silicone, methyl phenyl silicone, paraffin base oil, and aromatic base oil. Solubility measurements were made over a 1000 psi pressure range and a 350 F temperature range. Results show that the solubility of helium in all fluids studied increases linearly not only with pressure but also with temperature. All fluids except the silicones exhibited heavy foaming tendencies upon decompression.
Contributed to the American Society of Lubrication Engineers by the author.
Notes
Contributed to the American Society of Lubrication Engineers by the author.