University of Hertfordshire

Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Standard

Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear. / Leng, Mengyao; Chang, Shinan; Lian, Yongsheng ; Wu, Hongwei.

9th AIAA Atmospheric and Space Environment Conference: AIAA AVIATION Forum. Reston, VA : Aerospace Research Central, 2018. Code 192659.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvard

Leng, M, Chang, S, Lian, Y & Wu, H 2018, Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear. in 9th AIAA Atmospheric and Space Environment Conference: AIAA AVIATION Forum., Code 192659, Aerospace Research Central, Reston, VA, AIAA Atmospheric and Space Environments Conference, Denver, Colorado, United States, 5/06/17. https://doi.org/10.2514/6.2017-3931

APA

Leng, M., Chang, S., Lian, Y., & Wu, H. (2018). Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear. In 9th AIAA Atmospheric and Space Environment Conference: AIAA AVIATION Forum [Code 192659] Aerospace Research Central. https://doi.org/10.2514/6.2017-3931

Vancouver

Leng M, Chang S, Lian Y, Wu H. Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear. In 9th AIAA Atmospheric and Space Environment Conference: AIAA AVIATION Forum. Reston, VA: Aerospace Research Central. 2018. Code 192659 https://doi.org/10.2514/6.2017-3931

Author

Leng, Mengyao ; Chang, Shinan ; Lian, Yongsheng ; Wu, Hongwei. / Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear. 9th AIAA Atmospheric and Space Environment Conference: AIAA AVIATION Forum. Reston, VA : Aerospace Research Central, 2018.

Bibtex

@inproceedings{e78b6947ee6a4d4099b7fd52e3da1093,
title = "Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear",
abstract = "Aircraft icing poses a serious threat to flight safety. Unfrozen parts of impinging water on the surface of the aircraft will run back under the effect of high-speed airflow, altering liquid distribution and heat transfer characteristics. In this paper we conducted a series of experiments over a wide range of wind speed (Ua = 17.8~52.2 m/s), film Reynolds number (Ref = 26~128) and inclined angle (α = 0°, ±30°, ±45°) to investigate the dynamics of thin water film on an Aluminum substrate. The superficial morphology of the water film were investigated by high-speed camera, and the instantaneous film thicknesses were measured by a laser focus displacement meter based on a confocal chromatic technique. The interface between the gas and liquid phases consisted of underlying thin film and multiple scaled fluctuations. The measured time-averaged filim thickness data agrees with previous model predictions. Based on the experimental results, a relationship between the film thickness and the wind speed, film Reynolds number, inclined angle was proposed. A new correlation to calculate the interfacial shear stress and superficial roughness on the wavy surface is also suggested.",
author = "Mengyao Leng and Shinan Chang and Yongsheng Lian and Hongwei Wu",
note = "This document is the Accepted Manuscript version of a paper presented at the 9th AIAA Atmospheric and Space Environments Conference, 5-9 June 2017, Denver, Colorado. Content in the UH Research Archive is made available for personal research, educational, and non-commercial purposes only. Unless otherwise stated, all content is protected by copyright, and in the absence of an open license, permissions for further re-use should be sought from the publisher, the author, or other copyright holder. ; AIAA Atmospheric and Space Environments Conference ; Conference date: 05-06-2017 Through 09-06-2017",
year = "2018",
month = may,
day = "31",
doi = "10.2514/6.2017-3931",
language = "English",
booktitle = "9th AIAA Atmospheric and Space Environment Conference",
publisher = "Aerospace Research Central",
url = "https://arc.aiaa.org/doi/book/10.2514/MASE17",

}

RIS

TY - GEN

T1 - Experimental Study of the Dynamics of Water Film on an Aluminum Substrate under Wind Shear

AU - Leng, Mengyao

AU - Chang, Shinan

AU - Lian, Yongsheng

AU - Wu, Hongwei

N1 - Conference code: 9th

PY - 2018/5/31

Y1 - 2018/5/31

N2 - Aircraft icing poses a serious threat to flight safety. Unfrozen parts of impinging water on the surface of the aircraft will run back under the effect of high-speed airflow, altering liquid distribution and heat transfer characteristics. In this paper we conducted a series of experiments over a wide range of wind speed (Ua = 17.8~52.2 m/s), film Reynolds number (Ref = 26~128) and inclined angle (α = 0°, ±30°, ±45°) to investigate the dynamics of thin water film on an Aluminum substrate. The superficial morphology of the water film were investigated by high-speed camera, and the instantaneous film thicknesses were measured by a laser focus displacement meter based on a confocal chromatic technique. The interface between the gas and liquid phases consisted of underlying thin film and multiple scaled fluctuations. The measured time-averaged filim thickness data agrees with previous model predictions. Based on the experimental results, a relationship between the film thickness and the wind speed, film Reynolds number, inclined angle was proposed. A new correlation to calculate the interfacial shear stress and superficial roughness on the wavy surface is also suggested.

AB - Aircraft icing poses a serious threat to flight safety. Unfrozen parts of impinging water on the surface of the aircraft will run back under the effect of high-speed airflow, altering liquid distribution and heat transfer characteristics. In this paper we conducted a series of experiments over a wide range of wind speed (Ua = 17.8~52.2 m/s), film Reynolds number (Ref = 26~128) and inclined angle (α = 0°, ±30°, ±45°) to investigate the dynamics of thin water film on an Aluminum substrate. The superficial morphology of the water film were investigated by high-speed camera, and the instantaneous film thicknesses were measured by a laser focus displacement meter based on a confocal chromatic technique. The interface between the gas and liquid phases consisted of underlying thin film and multiple scaled fluctuations. The measured time-averaged filim thickness data agrees with previous model predictions. Based on the experimental results, a relationship between the film thickness and the wind speed, film Reynolds number, inclined angle was proposed. A new correlation to calculate the interfacial shear stress and superficial roughness on the wavy surface is also suggested.

U2 - 10.2514/6.2017-3931

DO - 10.2514/6.2017-3931

M3 - Conference contribution

BT - 9th AIAA Atmospheric and Space Environment Conference

PB - Aerospace Research Central

CY - Reston, VA

T2 - AIAA Atmospheric and Space Environments Conference

Y2 - 5 June 2017 through 9 June 2017

ER -