Open Access

Table 1

Force analysis for fluid micro-element in tubing.

S/N Name and Symbol Expression Orientation
1 Total pressure of fluid on Section S1–S1, FS1 γS(Hz) Pointing to the direction of the downstream and along the pipeline axis
2 Total pressure of fluid on Section S2–S2, FS2 In contrast to FS1
3 Component force of weight control along tubing axis Gl Same as FS1
4 Elastic force of casing wall caused by the expanding of cross section Fe Same as FS1
5 Friction of casing wall f πDd In contrast to FS1

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.