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Paper Information

Journal:   INTERNATIONAL JOURNAL OF MINING AND GEO-ENGINEERING   2017 , Volume 51 , Number 1; Page(s) 9 To 22.
 
Paper: 

COMBINED APPLICATION OF COMPUTATIONAL FLUID DYNAMICS (CFD) AND DESIGN OF EXPERIMENTS (DOE) TO HYDRODYNAMIC SIMULATION OF A COAL CLASSIFIER

 
 
Author(s):  KHOSHDAST HAMID, SHOJAEI VAHIDEH*
 
* DEPARTMENT OF MINING ENGINEERING, HIGHER EDUCATION COMPLEX OF ZARAND, ZARAND, IRAN
 
Abstract: 

Combining two methods of computational fluid dynamics (CFD) and design of experiments (DOE) was proposed in modeling to simultaneously benefit from the advantages of both modeling methods. The presented method was validated using a coal hydraulic classifier in an industrial scale. The effects of operating parameters, including feed flow rate, solid content and baffle length, were evaluated based on the classifier overflow velocity and cut-size as the process responses. The evaluation sequence was as follows: the variation levels of parameters was first evaluated using industrial measurement, and then a suitable experimental design was carried out and the DOE matrix was translated to CFD input. Afterwards, the overflow velocity values were predicted by CFD, and the cut-size values were determined using industrial and CFD results. The overflow velocity and cut-size values were statistically analyzed to develop the prediction models for DOE responses; and finally, the main interaction effects were interpreted with respect to DOE and CFD results. Statistical effect plots along with CFD fluid flow patterns showed the effects of type and magnitude of operating parameters on the classifier performance, and visualized the mechanism by which those effects occurred. The suggested modeling method seems to be a useful approach for better understanding the real operational phenomena within the fluid-base separation devices. Furthermore, the individual interaction effects can also be identified and used for interpretation of responses in nonlinear processes.

 
Keyword(s): MODELING, HYDRODYNAMIC SIMULATION, EXPERIMENTAL DESIGN, HYDRAULIC CLASSIFIER, INDUSTRIAL APPLICATION
 
 
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APA: Copy

KHOSHDAST, H., & SHOJAEI, V. (2017). COMBINED APPLICATION OF COMPUTATIONAL FLUID DYNAMICS (CFD) AND DESIGN OF EXPERIMENTS (DOE) TO HYDRODYNAMIC SIMULATION OF A COAL CLASSIFIER. INTERNATIONAL JOURNAL OF MINING AND GEO-ENGINEERING, 51(1), 9-22. https://www.sid.ir/en/journal/ViewPaper.aspx?id=572631



Vancouver: Copy

KHOSHDAST HAMID, SHOJAEI VAHIDEH. COMBINED APPLICATION OF COMPUTATIONAL FLUID DYNAMICS (CFD) AND DESIGN OF EXPERIMENTS (DOE) TO HYDRODYNAMIC SIMULATION OF A COAL CLASSIFIER. INTERNATIONAL JOURNAL OF MINING AND GEO-ENGINEERING. 2017 [cited 2021July24];51(1):9-22. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572631



IEEE: Copy

KHOSHDAST, H., SHOJAEI, V., 2017. COMBINED APPLICATION OF COMPUTATIONAL FLUID DYNAMICS (CFD) AND DESIGN OF EXPERIMENTS (DOE) TO HYDRODYNAMIC SIMULATION OF A COAL CLASSIFIER. INTERNATIONAL JOURNAL OF MINING AND GEO-ENGINEERING, [online] 51(1), pp.9-22. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572631.



 
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