What is it about?

the integrated influence of sliding velocity, outlet pressure, and seal clearance on optimum dimple area density, represented by dimple number along the dimple column taken from the seal surface, are conducted theoretically by solving Reynolds equation, where the Floberg-Jakobsson-Olsson cavitation theory is implemented using a mass-conservative algorithm to accurately predict the behavior of cavitation.

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Why is it important?

Firstly, Reynolds cavitation boundary condition was generally adopted when solving Reynolds equation in previous theoretical studies. However, it has been proved that this boundary condition is non-mass-conservative, and will give incorrect results. Moreover, the interplay between operation parameters was ignored for most of the previous studies.

Perspectives

The influence of each operation parameter can be divided into three regions. Moreover, for each operation parameter, both of the range of the divided regions and the corresponding values of the optimum dimple area density are strongly associated with the other two operation parameters.

Chenbo Ma
Nanjing Forestry University

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This page is a summary of: Integrated Influence of Sliding Velocity, Outlet Pressure, and Seal Clearance on Optimum Dimple Area Density for Mechanical Seal, IEEE Access, January 2018, Institute of Electrical & Electronics Engineers (IEEE),
DOI: 10.1109/access.2018.2814681.
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