Condensate retention as a function of condensate flow rate on 1 horizontal enhanced pin-fin tubes
2018
The extent of condensate flooding as a function of condensate flow rate is
measured on six horizontal pin-fin tubes (varying in circumferential pin-16
spacing) via simulated experimentation. Surface tension to density ratio is
tested using three fluids namely water, ethylene glycol and R-141b. Results
show that flooding was strongly effected by changing the condensate flow
rate. An increase in flow rate caused a marginal decrease in flooding angle
(an angle extracted from top of the test tube to the fully flooded flank).
Similarly, circumferential pin-spacing also effected the retention angle and
the effect goes on increasing by decreasing the surface tension to density
ratio.
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