Outputs (137)

Large-eddy simulation of shock-induced flow separation control using SparkJet concept (2016)
Presentation / Conference
Yang, G., Yao, Y., Fang, J., Gan, T., & Lu, L. (2016, January). Large-eddy simulation of shock-induced flow separation control using SparkJet concept. Paper presented at 54th AIAA Aerospace Sciences Meeting, San Diego, California, USA

Large-Eddy Simulation (LES) of shock-wave/boundary layer interactions (SWBLI) with SparkJet control technique is carried out in this paper. The base flow is an oblique shock-wave generated by an 8°wedge impinging onto a spatially-developing Mach 2.3... Read More about Large-eddy simulation of shock-induced flow separation control using SparkJet concept.

Numerical investigation on two streamline-traced busemann inlet-isolators (2016)
Presentation / Conference
Xing, F., Xiaoyuan, F., Can, L., & Yao, Y. (2016, January). Numerical investigation on two streamline-traced busemann inlet-isolators. Paper presented at 54th AIAA Aerospace Sciences Meeting, San Diego, California, USA

This paper presents a computational fluid dynamics (CFD) study of flow characteristics within three-dimensional Busemann inlet with isolator models. The primary aim of the study was to compare various performances between two streamline-traced inlets... Read More about Numerical investigation on two streamline-traced busemann inlet-isolators.

Multistep simulation for three-dimensional ice accretion on an aircraft wing (2016)
Presentation / Conference
Huang, J., Cao, Y., Yao, Y., & Yao, J. (2016, January). Multistep simulation for three-dimensional ice accretion on an aircraft wing. Paper presented at 54th AIAA Aerospace Sciences Meeting, San Diego, California

A simplified icing model combined with Eulerian two-phase flow theory has been proposed and the method was employed for direct simulation of ice accretion occurred on an aircraft wing. An innovative wall boundary condition treatment has been proposed... Read More about Multistep simulation for three-dimensional ice accretion on an aircraft wing.

An improved local remeshing algorithm for moving boundary problems (2016)
Journal Article
Zheng, J., Chen, J., Zheng, Y., Yao, Y., Li, S., & Xiao, Z. (2016). An improved local remeshing algorithm for moving boundary problems. Engineering Applications of Computational Fluid Mechanics, 10(1), 403-426. https://doi.org/10.1080/19942060.2016.1174888

© 2016 The Author(s). Three issues are tackled in this study to improve the robustness of local remeshing techniques. Firstly, the local remeshing region (hereafter referred to as ‘hole’) is initialized by removing low-quality elements and then conti... Read More about An improved local remeshing algorithm for moving boundary problems.

Direct numerical simulation of supersonic turbulent flows around a tandem expansion-compression corner (2015)
Journal Article
Zheltovodov, A. A., Fang, J., Yao, Y., Li, Z., & Lu, L. (2015). Direct numerical simulation of supersonic turbulent flows around a tandem expansion-compression corner. Physics of Fluids, 27(12), 125104. https://doi.org/10.1063/1.4936576

© 2015 AIP Publishing LLC. The M = 2.9 supersonic turbulent flows over a tandem expansion-compression corner configuration with a sharp deflection angle of 25° at three Reynolds numbers Reδ = 20 000, 40 000, and 80 000 were studied by using direct nu... Read More about Direct numerical simulation of supersonic turbulent flows around a tandem expansion-compression corner.

Proton modified Pt zeolite fuel cell electrocatalysts (2015)
Book Chapter
Yao, J., Yao, Y., & Mirzaii, H. (2015). Proton modified Pt zeolite fuel cell electrocatalysts. In A. Sayigh (Ed.), Renewable Energy in the Service of Mankind Vol I (173-182). Springer. https://doi.org/10.1007/978-3-319-17777-9_16

© Springer International Publishing Switzerland 2015. NaY zeolite has been selected as a suitable material to host 1.5 wt.% platinum (Pt) loading on zeolite using ion-exchange methods of Pt(NH3)4(NO3)2 without excess NH4NO3 nitrate and Pt(NH3)4(NO3)2... Read More about Proton modified Pt zeolite fuel cell electrocatalysts.

Large-eddy simulation of a three-dimensional shock-wave/turbulent boundary layer interaction of a single-fin (2015)
Presentation / Conference
Fang, J., Yao, Y., Zheltovodov, A. A., & Lu, L. (2015, September). Large-eddy simulation of a three-dimensional shock-wave/turbulent boundary layer interaction of a single-fin. Paper presented at UKTC Annual Workshop, Southampton, UK

The three-dimension (3D) shock-wave/turbulent boundary layer interaction (SWTBLI) raised from a hypersonic flow passing a single-fin at Mach 5 is investigated i by using LES. The performed LES has demonstrated very good agreements with available expe... Read More about Large-eddy simulation of a three-dimensional shock-wave/turbulent boundary layer interaction of a single-fin.

Experimental study of characteristics of bimetallic Pt-Fe nano-particle fuel cell electrocatalyst (2015)
Journal Article
Yao, J., & Yao, Y. (2015). Experimental study of characteristics of bimetallic Pt-Fe nano-particle fuel cell electrocatalyst. Renewable Energy, 81, 182-196. https://doi.org/10.1016/j.renene.2015.03.031

© 2015 Elsevier Ltd. The characteristics of 1.5wt% Platinum (Pt) loading on Fe incorporated Y zeolite (Pt-Fe/Y zeolite) nano-electrocatalysts have been experimentally studied by the extended X-ray adsorption fine structure (EXAFS) and cyclic voltamme... Read More about Experimental study of characteristics of bimetallic Pt-Fe nano-particle fuel cell electrocatalyst.

CFD of air/water two-phase flow in small horizontal pipe (2015)
Presentation / Conference
Yao, J., & Yao, Y. (2015, July). CFD of air/water two-phase flow in small horizontal pipe. Paper presented at The First Chinese International Conference on CFD, Mianyang, China

Computational Fluid Dynamics (CFD) has been applied to investigate air/water two-phase flow characteristics in an 8.8mm I.D small horizontal pipe. Simulation has successfully predicted water film thickness using newly developed user defined wave func... Read More about CFD of air/water two-phase flow in small horizontal pipe.

DNS of transitional and turbulent flow simulations (2015)
Presentation / Conference
Yao, Y., & Zheng, Y. (2015, July). DNS of transitional and turbulent flow simulations. Presented at The First Chinese International Conference on CFD, Mianyang, China

An in-house direct numerical simulation (DNS) code SBLI has been developed and used extensively for high-performance computation (HPC) of transitional and turbulent flows, most related to shock/boundary-layer interaction problems. The code has also p... Read More about DNS of transitional and turbulent flow simulations.