Abstract
“The main goal of this thesis is to quantify additive manufacturing (AM) surface roughness, as a precursor to identifying its impact on unsteady transient flow properties. Experimental data using the Hirox optical microscopes and SEM imaging collected from the nylon and stainless-steel lattice structures contained an inherent level of surface roughness at the finer scale. Surface Roughness have a negative effect on additively manufactured materials and as such should be mitigated whenever possible. Surface roughness increases unwanted features such as the level of drag, skin friction, negative heat transfer/mass transfer properties, and other unwanted unsteady transitional flow characteristics. Though exceptions may exist for surface roughness either having very little adverse effects or improving flow characteristics such as those seen on riblet designs, undesigned surface roughness features should be avoided whenever possible. From the data taken from this experiment, an additional step in research should be implemented so that more analysis can be obtained on unsteady transitional flow characteristics using constant temperature anemometry (CTA) as used in measurements of turbulent gas flows”--Abstract, page ii.
Degree Name
B.S. with Honors in Aerospace and Mechanical Engineering
Advisor(s)
Homan, Kelly
Committee Member(s)
Bode, Phillip
Westenberg, David J.
Stone, Nancy J.
Gragg, Larry Dale, 1950-
Department(s)
Mechanical and Aerospace Engineering
Publisher
Missouri University of Science and Technology
Pagination
iii, 24 pages
Note about bibliography
Includes bibliographical references (pages 23-24).
Document Version
Final Version
Rights
© 2022 Jackson Landry Chandler, All rights reserved.
Document Type
Honors Thesis
File Type
text
Language(s)
English
Institutions Name at Time of Publication
Missouri University of Science and Technology
Recommended Citation
Chandler, Jackson Landry, "AM surface roughness and its impact on drag" (2022). Honors Academy. 1.
https://scholarsmine.mst.edu/honors_academy/1
