EXPERIMENTAL STUDY OF THE DUST TRAIL PHENOMENON IN A WIND TUNNEL

Open Access
Author:
Akarslan, Gokhan
Graduate Program:
Mechanical Engineering
Degree:
Master of Science
Document Type:
Master Thesis
Date of Defense:
November 12, 2018
Committee Members:
  • Rui Ni, Thesis Advisor
  • Bo Cheng, Committee Member
Keywords:
  • Dust Dispersion
  • Dust Emission
  • Two-Phase Flow
  • Dust Deposition
Abstract:
Dust trail behind a moving vehicle is an undesirable situation for human health and military operations. However, very little is known about the dust emission and dust deposition from moving vehicle. Thus, a better understanding is required to eliminate dust dispersion. As an initial step, this work aims to study problem experimentally for scalable, simplified object, in this case, a cylinder. This experimental study was performed in a wind tunnel to observe how dust emission and dust deposition are related to Reynolds number and a gap between the wind tunnel bottom wall and cylinder. Experiments were repeated for various Reynolds numbers and the different gap to cylinder diameter ratios, while the Reynolds numbers which based on the cylinder diameter are in the range of 12655 to 29000, the gap to diameter ratios are between 0.1 and 0.5.