It should be noted that the literature survey in this paper is lacking . The author had neglected to discuss previous work on gas/liquid seals , as well as the literature on numerical formulations (in particular the finite element method (FEM)) with upwinding mass conserving algorithms . Ruan et al.  included the effects of rough surface contact, and viscous and frictional heating, while Miller and Green  included dynamics and transient phenomena. Combining both works  and , they offered more realistic analyses for face seals operation. Miller and Green  also offered a finite volume method that has significant advantages over the FEM: (a) the finite volume method is an explicit formulation (as opposed to an implicit formulation of the FEM), (b) the computational resources needed (memory,...
Discussion: “A General Model for Liquid and Gas Lubrication, Including Cavitation” (Brunetière, N., 2018, ASME J. Tribol., 140(2), p. 021702)
Georgia Institute of Technology,
Atlanta, GA 30332
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received April 17, 2018; final manuscript received May 20, 2018; published online August 31, 2018. Editor: Michael Khonsari.
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Green, I. (August 31, 2018). "Discussion: “A General Model for Liquid and Gas Lubrication, Including Cavitation” (Brunetière, N., 2018, ASME J. Tribol., 140(2), p. 021702)." ASME. J. Tribol. January 2019; 141(1): 015501. https://doi.org/10.1115/1.4040386
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