Measurements of dust deposition velocity in a wind-tunnel experiment
Item
Title (Dublin Core)
Measurements of dust deposition velocity in a wind-tunnel experiment
Description (Dublin Core)
In this study, we present the results of a wind-tunnel experiment on dust deposition. A new method is proposed to derive dust deposition velocity from PDA (particle dynamics analysis) particle-velocity and particle-size measurements. This method has the advantage that the motions of individual dust particles are directly observed and all relevant data for computing dust deposition velocity is collected using a single instrument, and thus the measurement uncertainties are reduced. The method is used in the wind-tunnel experiment to measure dust deposition velocities for different particle sizes, wind speeds and surface conditions. For sticky-smooth wood and water surfaces, the observed dust deposition velocities are compared with the predictions using a dust deposition scheme, and the entire data set is compared with the data found in the literature. From the wind-tunnel experiments, a relatively reliable data set of dust deposition velocities is obtained, which is valuable for the development and validation of dust deposition schemes.
Creator (Dublin Core)
Zhang, J.
Shao, Y.
Huang, N.
Date (Dublin Core)
2018-09-06
Type (Dublin Core)
Text
Format (Dublin Core)
application/pdf
Identifier (Dublin Core)
10.5194/acp-14-8869-2014
https://acp.copernicus.org/articles/14/8869/2014/
Source (Dublin Core)
eISSN: 1680-7324
Language (Dublin Core)
eng
