CFD and infrared thermography of particle curtains undergoing convection heat transfer: Image analysis and edge prediction

Afshar Sepideh; Sheehan Madoc

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CFD and infrared thermography of particle curtains undergoing convection heat transfer: Image analysis and edge prediction

机译：粒子窗帘的CFD和红外热成像正在进行对流传热：图像分析和边缘预测

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摘要

In this paper infrared thermographic images of falling hot particle curtains are compared to Eulerian-Eulerian Computational Fluid Dynamics (CFD) model simulations. The hot particle curtains were made to fall through a narrow slot in a rectangular box. The shapes of the formed curtains at different slot widths, particle sizes and mass flow rates were predicted using gradient-based image analysis techniques. Small slot width and low mass flow rate situations were found to show excellent correlation. Larger particle sizes led to greater uncertainty in the thermographic data, and large slot width and high mass flow rate CFD simulations were less reliable. (C) 2017 Elsevier B.V. All rights reserved.

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《Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems》 |2018年第2018期|共13页
作者
Afshar Sepideh; Sheehan Madoc;
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作者单位

James Cook Univ Coll Sci &

Engn Townsville Qld 4811 Australia;

James Cook Univ Coll Sci &

Engn Townsville Qld 4811 Australia;

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原文格式 PDF
正文语种 eng
中图分类粉末技术;化学工业;
关键词
Computational fluid dynamics; Thermography; Particle curtains; Image analysis;

机译：计算流体动力学;热成像;颗粒窗帘;图像分析;

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专利

1. CFD and infrared thermography of particle curtains undergoing convection heat transfer: Image analysis and edge prediction [J] . Afshar Sepideh, Sheehan Madoc Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems . 2018,第期

机译：粒子窗帘的CFD和红外热成像正在进行对流传热：图像分析和边缘预测
2. An infrared thermography imaging system for convective heat transfer measurements in complex flows [J] . S R Sargent, C R Hedlundt, P M Ligrani Measurement Science & Technology . 1998,第10a12期

机译：红外热成像系统，用于复杂流动中对流传热的测量
3. A synchronized particle image velocimetry and infrared thermography technique applied to convective mass transfer in champagne glasses [J] . Beaumont Fabien, Liger-Belair Gerard, Bailly Yannick, Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow . 2016,第5期

机译：同步粒子图像测速和红外热成像技术应用于香槟杯对流传质
4. CFD and Experimental Study of Convectional Heat Transfer in Free Falling Particle Curtains [C] . Sepideh Afshar, Madoc Sheehan International Conference of Numerical Analysis and Applied Mathematics . 2014

机译：自由落下颗粒窗帘对流热传递的CFD和实验研究
5. Local convection heat transfer coefficient for a two-dimensional wall jet with uniform heat flux boundary condition using infrared imaging. [D] . AbdulNour, Ramez S. 1999

机译：二维壁面射流在均匀热通量边界条件下的局部对流传热系数的红外成像。
6. Heat Flux Sensors for Infrared Thermography in Convective Heat Transfer [O] . Giovanni Maria Carlomagno, Luigi de Luca, Gennaro Cardone, 2014

机译：对流换热中用于红外热成像的热通量传感器
7. UNCERTAINTY ANALYSIS OF INFRARED THERMOGRAPHY IN CONVECTIVE HEAT TRANSFER [O] . Nelson K. Akafuah, Carsie A. Hall, Ting Wang 2015

机译：对流换热红外热像的不确定性分析

CFD and infrared thermography of particle curtains undergoing convection heat transfer: Image analysis and edge prediction

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