Skin Friction Topology in Junction Flow Affected By Upstream Rod

Date of Award


Degree Name

Master of Science in Engineering


Mechanical and Aerospace Engineering

First Advisor

Dr. Tianshu Liu

Second Advisor

Dr. Parviv Merati

Third Advisor

Dr. William Liou


Junction flow, flow control skin friction, topology, luminescent oil-film visualization

Access Setting

Masters Thesis-Abstract Only

Restricted to Campus until



The following thesis describes the extraction of high-resolution skin friction topologies on a junction flow affected by an upstream rod on a flat plate using a non-intrusive global luminescent oil-film (GLOF) skin friction meter. The working principle, applications, and limitations of the GLOF technique are discussed in detail. The results on the skin friction fields in the circular junction flow are presented, including the base junction flows without upstream rod and junction flows controlled by a single rod and multiple rods at two different Reynolds numbers. Discussions on the results are focused on the topological change induced by the upstream rods.

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