To enhance mechanical and/or electrical properties of composite materials used in additive manufacturing, nanoparticles are oftentimes deposited to form nanocomposite layers. To customize the mechanical and/or electrical properties of the final composite material, the thickness of such nanocomposite layers must be precisely controlled. A thickness model for filter cakes created through spray-assisted vacuum filtration is presented in this paper, to enable the development of advanced thickness controllers. The mass transfer dynamics in the spray atomization and vacuum filtration are studied to derive solid mass, water mass, and filter cake thickness differential area models. A two-loop nonlinear constrained optimization approach is used to identify the unknown parameters in the model. Experiments involving depositing carbon nanofibers in a sheet of filter paper are used to measure the ability of the model to mimic the filtration process.
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April 2017
Research-Article
Deposition Thickness Modeling and Parameter Identification for a Spray-Assisted Vacuum Filtration Process in Additive Manufacturing
August Mark,
August Mark
Department of Mechanical and
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: augjmark@gmail.com
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: augjmark@gmail.com
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Yunjun Xu,
Yunjun Xu
Department of Mechanical and
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Yunjun.Xu@ucf.edu
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Yunjun.Xu@ucf.edu
Search for other works by this author on:
Jihua Gou
Jihua Gou
Department of Mechanical and
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Jihua.Gou@ucf.edu
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Jihua.Gou@ucf.edu
Search for other works by this author on:
August Mark
Department of Mechanical and
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: augjmark@gmail.com
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: augjmark@gmail.com
Yunjun Xu
Department of Mechanical and
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Yunjun.Xu@ucf.edu
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Yunjun.Xu@ucf.edu
Jihua Gou
Department of Mechanical and
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Jihua.Gou@ucf.edu
Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816
e-mail: Jihua.Gou@ucf.edu
1Corresponding author.
Manuscript received March 7, 2016; final manuscript received September 16, 2016; published online October 18, 2016. Assoc. Editor: Zhijian J. Pei.
J. Manuf. Sci. Eng. Apr 2017, 139(4): 041002 (7 pages)
Published Online: October 18, 2016
Article history
Received:
March 7, 2016
Revised:
September 16, 2016
Citation
Mark, A., Xu, Y., and Gou, J. (October 18, 2016). "Deposition Thickness Modeling and Parameter Identification for a Spray-Assisted Vacuum Filtration Process in Additive Manufacturing." ASME. J. Manuf. Sci. Eng. April 2017; 139(4): 041002. https://doi.org/10.1115/1.4034890
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