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Chai

Dr.-Ing. Xuan Cai

Raum: 217, Geb./Bldg. 11.23
Tel.: +49 721 608-43190
xuan caiBat0∂kit edu

Postal address:
Institute for Chemical Technology and Polymer Chemistry

Engesserstr. 20
Campus South Bldg. 11.21
76131 Karlsruhe
Germany


Education/ Degrees:

2016

 

Ph.D. in Mechanical Engineering (Dr.-Ing.)
Karlsruhe Institute of Technology (KIT), Germany
PhD thesis: Interface-Resolving Simulations of Gas-Liquid Two-Phase Flows in Solid Structures of Different Wettability
2011 Master (M.Sc.) in Computational Science and Engineering
Technische Universität München (TUM), München, Germany
Master thesis: Forest Model in Wind Power Site Assessment Software based on OpenFOAM®
2008 Bachelor of Engineering in Material Processing and Control Engineering
Huazhong University of Science and Technology (HUST), Wuhan, China

Work History

03/2017 - present Postdoc researcher
Institute for Chemical Technology and Polymer Chemistry (ITCP) and Institute of Fluid Mechanics (ISTM)
Karlsruhe Institute of Technology (KIT), Germany
07/2012 – 12/2016

Research Assistant and Ph.D. student
Institute for Chemical Technology and Polymer (ITCP)
Institute of Catalysis Research and Technology (IKFT)
Karlsruhe Institute of Technology (KIT), Germany
Topic: Scale-resolving simulation of two-phase flows in solid structures
Within Helmholtz-Energy-Alliance „Energy Efficient Multiphase Processes

01/2015 – 03/2015 Visiting scientist at Department of Mathematics,
Virginia Tech, Blacksburg, Virginia, USA
Topic: Advanced developement of phase field methods for wetting process
06/2011 – 11/2011 Intern at Ansys Germany GmbH, Otterfing, Germany
Topic: Verification and validation of multiphase flow/heat transfer models in ANSYS Fluent and ANSYS CFX
11/2010 – 05/2011 Working student for master thesis at IB Fischer CFD+engineering GmbH, München, Germany
Topic: Forest Model in Wind Power Site Assessment Software based on OpenFOAM®

Honors

2014 Research Travel Grant by Karlsruhe House of Young Scientists (KHYS) for research visit to Virginia Tech, Blacksburg, Virginia, USA

Research Interests

  • Computational Fluid Dynamic (CFD) of two-phase flows in general
  • Numerical methods for two-phase interface-capturing (phase-field method, volume-of-fluid method)
  • Wetting phenonema on homogenous or heterogeneous (chemically/topologically) surfaces
  • Interfacial multiphase flows in foam structure or periodic open cell structure (POCS)
  • Open-source CFD technology (e.g. OpenFOAM®)

 

Publications

I: Dissertation

X. Cai. Interface-Resolving Simulations of Gas-Liquid Two-Phase Flows in Solid Structures of Different Wettability, KIT, http://dx.doi.org/10.5445/IR/1000065827 (2016)

II: Journal Articles

M. Wörner, X. Cai, H. Alla, P. Yue. A semi-analytical method to estimate the slip length of spreading cap-shaped droplets using Cox theory. arXiv preprint https://arxiv.org/abs/1605.06342 (2016)

X. Cai, M. Wörner, H. Marshall, O. Deutschmann. Numerical study on the wettability dependent interaction of a rising bubble with a periodic open cellular structure. Catalysis Today 273 (2016) 151-160 http://dx.doi.org/10.1016/j.cattod.2016.03.053

X. Cai, H. Marschall, M. Wörner, O. Deutschmann. Numerical Simulation of Wetting Phenomena with a Phase-field Method using OpenFOAM. Chemical Engineering & Technology 38 (2015) 1985-1992 http://dx.doi.org/10.1002/ceat.201500089

III: Conference Proceedings Papers

X. Cai, H. Marschall, M. Wörner, O. Deutschmann. A phase field method with adaptive mesh refinement for numerical simulation of 3D wetting processes with OpenFOAM®, 2nd International Symposium on Multiscale Multiphase Process Engineering (MMPE), Hamburg, Germany, September 24-27, 2014.
http://www.itcp.kit.edu/deutschmann/download/publications-others/2014_MMPE-2_Cai_et_al.pdf

X. Cai, M. Wörner, O. Deutschmann. Implementation of a Phase Field Method in OpenFOAM® for Simulation of Spreading Droplets and Verification by Test Problems , 7th Open Source CFD International Conference, Hamburg, Germany, October 24-25, 2013.
http://www.opensourcecfd.com/conference2013/proceedings-day-2

IV: Conference Oral Presentations

X. Cai, M. Wörner, H. Marschall and O. Deutschmann. Numerical study on the wettability dependent interaction of a rising bubble with a periodic open cell structure. 5th International Conference on Structured Catalysts and Reactors (ICOSCAR-5), Donostia-San Sebastian, Spain, June 22–24, 2016.

X. Cai, M. Wörner, O. Deutschmann. Interface-resolving simulations of gas-liquid flows in a solid sponge structure. 9th International Conference on Multiphase Flow (ICMF 2016), Florence, Italy, May 22-27, 2016.

M. Wörner, X. Cai, H. Marschall, O. Deutschmann. Numerical study on the wettability- dependent interaction of droplets and bubbles with solid structures. 9th International Conference on Multiphase Flow (ICMF 2016), Florence, Italy, May 22-27, 2016.

X. Cai, M. Wörner, H. Marschall, O. Deutschmann. A Phase Field Method for Numerical Simulation of Wetting and Spreading Processes with OpenFOAM®, Jahrestreffen der ProcessNet Fachgruppen Fachgruppen Agglomerations- und Schüttguttechnik, Mehrphasenströmungen und Computational Fluid Dynamics, Bingen, Germany, 29. Feb. - 2. Mar. 2016.

X. Cai, H. Marschall, M. Wörner, O. Deutschmann. Development of Phase Field Methods using OpenFOAM® – Part II: Application to Complex Wetting Physics, 10th International OpenFOAM® Workshop, Ann Arbor, Michigan, USA, June 29 – July 2, 2015.

B. Dietrich, S. Meinicke, X. Cai, M. Wörner. Structured chemical reactors: experimental analysis and simulation, ACHEMA 2015, Frankfurt, Germany, June, 15–19, 2015.

X. Cai, H. Marschall, M. Wörner, O. Deutschmann:. A Phase Field Method for Numerical Simulation of Wetting and Spreading Processes with OpenFOAM®, Jahrestreffen der ProcessNet Fachgruppen Computational Fluid Dynamics and Mehrphasenströmungen, Lüneburg, Germany, March, 19–20, 2015.

X. Cai, H. Marschall, M. Wörner, D. Bothe, O. Deutschmann. Development of Phase Field Methods for Direct Numerical Simulation of Wetting Processes with OpenFOAM®, 9th International OpenFOAM® Workshop, Zagreb, Croatia, June 23-26, 2014.

X. Cai, M. Wörner, O. Deutschmann. A Phase Field Method for Numerical Simulation of Wetting and Spreading Processes with OpenFOAM®, Jahrestreffen der ProcessNet Fachgruppen Computational Fluid Dynamics, Mischvorgänge und Rheologie, Würzburg, Germany, February 24-26, 2014.

V: Conference Posters

X. Cai, H. Marschall, M. Wörner, O. Deutschmann. Development of Phase Field Methods with OpenFOAM® and its Application to Dynamic Wetting Processes, 2nd  International Conference on Numerical Methods in Multiphase Flows, Darmstadt, Germany, June 30 — July 01, 2014.

VI: Invited Talks

X. Cai. Modelling and Simulation of Wetting Phenomena in Solid Structures, Institute of Engineering Mechanics, KIT, Feb. 21, 2017

X. Cai. Modelling and Simulation of Wetting Phenomena in Solid Structures, Institute of Microstructure Technology, KIT, Feb. 14, 2017

X. Cai. Computational Fluids Dynamics (CFD) Simulation of Wetting Phenomena, SIAM Student Chapter Seminar, Virginia Tech, Blacksburg, Virginia, USA, Feb. 12, 2015.

X. Cai. Implementation of a Phase Field Method in OpenFOAM® for Simulation of Spreading Droplets and Verification by Test Problems, Center of Smart Interfaces, TU Darmstadt, Darmstadt, Germany, Dec. 06, 2013.

VII: Other Talks

X. Cai. Computational Fluids Dynamics (CFD) Simulation of Multiphase Flows on Solid Structures, Annual Conference of Gesellschaft Chinesischer Chemiker und Chemieingenieure in der Bundesrepublik Deutschland e.V. (GCCCD®), Munich, Germany, October 28-30, 2016