All Outputs (99)

A composite feedback approach to stabilize nonholonomic systems with time varying time delays and nonlinear disturbances (2020)
Journal Article
Rasoolinasab, S., Mobayen, S., Fekih, A., Narayan, P., & Yao, Y. (2020). A composite feedback approach to stabilize nonholonomic systems with time varying time delays and nonlinear disturbances. ISA Transactions, 101, 177-188. https://doi.org/10.1016/j.isatra.2020.02.009

In this work, we propose a robust stabilizer for nonholonomic systems with time varying time delays and nonlinear disturbances. The proposed approach implements a composite nonlinear feedback structure in which a linear controller is designed to yiel... Read More about A composite feedback approach to stabilize nonholonomic systems with time varying time delays and nonlinear disturbances.

Direct numerical simulation of a tip-leakage flow in a planar duct with a longitudinal slit (2019)
Journal Article
Liu, Y., Fang, J., Gao, Y., Lu, L., Yao, Y., & Le Ribault, C. (2019). Direct numerical simulation of a tip-leakage flow in a planar duct with a longitudinal slit. Physics of Fluids, 31(12), 125108. https://doi.org/10.1063/1.5124163

A planar duct flow configuration with a cross-flow injected from a longitudinal slit close to the upper wall of the duct is studied by using a direct numerical simulation approach to explore the underlying flow mechanism in relation to the tip-leakag... Read More about Direct numerical simulation of a tip-leakage flow in a planar duct with a longitudinal slit.

Detached eddy simulation of blade trailing-edge cutback cooling performance at various ejection slot angles (2019)
Journal Article
Effendy, M., Yao, Y., Yao, J., & Marchant, D. R. (2019). Detached eddy simulation of blade trailing-edge cutback cooling performance at various ejection slot angles. International Journal of Heat and Fluid Flow, 80, Article 108487. https://doi.org/10.1016/j.ijheatfluidflow.2019.108487

© 2019 Elsevier Inc. Detached eddy simulation (DES) has been carried out to study a three-dimensional trailing-edge (TE) cutback turbine blade model with five rows of staggered circular pin-fin arrays inside the cooling passage, in order to evaluate... Read More about Detached eddy simulation of blade trailing-edge cutback cooling performance at various ejection slot angles.

Blockchain enabled industrial Internet of Things technology (2019)
Journal Article
Zhao, S., Li, S., & Yao, Y. (2019). Blockchain enabled industrial Internet of Things technology. IEEE Transactions on Computational Social Systems, 6(6), 1442-1453. https://doi.org/10.1109/TCSS.2019.2924054

The emerging blockchain technology shows promising potential to enhance industrial systems and the Internet of things (IoT) by providing applications with redundancy, immutable storage, and encryption. In the past a few years, many more applications... Read More about Blockchain enabled industrial Internet of Things technology.

Flow separation control over a rounded ramp with spanwise alternating wall actuation (2019)
Journal Article
Ni, W., Lu, L., Fang, J., Moulinec, C., Emerson, D. R., & Yao, Y. (2019). Flow separation control over a rounded ramp with spanwise alternating wall actuation. Physics of Fluids, 31(1), 015101. https://doi.org/10.1063/1.5055948

An implicit large-eddy simulation is carried out to study turbulent boundary-layer separation from a backward-facing rounded ramp with active wall actuation control. This method, called spanwise alternating distributed strips control, is imposed onto... Read More about Flow separation control over a rounded ramp with spanwise alternating wall actuation.

Selecting nozzle arrangement of a chimney tower to reduce the temperature and to increase the entrainment mass flow (2018)
Journal Article
Sarjito, Siswanto, W. A., Jamaldi, A., & Yao, Y. (2018). Selecting nozzle arrangement of a chimney tower to reduce the temperature and to increase the entrainment mass flow. https://doi.org/10.24247/ijmperddec20189

© TJPRC Pvt. Ltd. The aim of this research work was to find the best arrangement of nozzles inside the chimney tower to reduce the temperature and to increase the entrainment mass flow. An existing design of the nozzle arrangement was used as the ref... Read More about Selecting nozzle arrangement of a chimney tower to reduce the temperature and to increase the entrainment mass flow.

The influence of valve-pump weight ratios on the dynamic response of leaking valve-pump parallel control hydraulic systems (2018)
Journal Article
Ding, H., Zhao, J., Cheng, G., Wright, S., & Yao, Y. (2018). The influence of valve-pump weight ratios on the dynamic response of leaking valve-pump parallel control hydraulic systems. Applied Sciences, 8(7), Article 1201. https://doi.org/10.3390/app8071201

© 2018 by the authors. A new leaking valve-pump parallel control (LVPC) oil hydraulic system is proposed to improve the performance of dynamic response of present variable speed pump control (VSPC) system, which is an oil hydraulic control system wit... Read More about The influence of valve-pump weight ratios on the dynamic response of leaking valve-pump parallel control hydraulic systems.

Morphing airfoils analysis using dynamic meshing (2018)
Journal Article
Abdessemed, C., Yao, Y., Bouferrouk, A., & Narayan, P. P. (2018). Morphing airfoils analysis using dynamic meshing. International Journal of Numerical Methods for Heat and Fluid Flow, 28(5), 1117-1133. https://doi.org/10.1108/HFF-06-2017-0261

© 2018, Emerald Publishing Limited. Purpose: The purpose of this paper is to use dynamic meshing to perform CFD analyses of a NACA 0012 airfoil fitted with a morphing trailing edge (TE) flap when it undergoes static and time-dependent morphing. The s... Read More about Morphing airfoils analysis using dynamic meshing.

Scalable generation of large-scale unstructured meshes by a novel domain decomposition approach (2018)
Journal Article
Chen, J., Xiao, Z., Zheng, Y., Zou, J., Zhao, D., & Yao, Y. (2018). Scalable generation of large-scale unstructured meshes by a novel domain decomposition approach. Advances in Engineering Software, 121, 131-146. https://doi.org/10.1016/j.advengsoft.2018.04.005

© 2018 Elsevier Ltd A parallel algorithm is proposed for scalable generation of large-scale tetrahedral meshes. The key innovation is the use of a mesh-simplification based domain decomposition approach. This approach works on a background mesh with... Read More about Scalable generation of large-scale unstructured meshes by a novel domain decomposition approach.

Zeolite supported Pd electrocatalyst nanoparticle characterization (2018)
Journal Article
Yao, J., & Yao, Y. (2019). Zeolite supported Pd electrocatalyst nanoparticle characterization. International Journal of Hydrogen Energy, 44(1), 287-294. https://doi.org/10.1016/j.ijhydene.2018.02.110

© 2018 Hydrogen Energy Publications LLC A laboratory made 1.5 wt% Palladium (Pd) zeolite electrocatalyst is investigated using the Extended X-ray Adsorption Fine Structure (EXAFS) and Cyclic Voltammetry (CV) techniques to reveal Pd structure and resu... Read More about Zeolite supported Pd electrocatalyst nanoparticle characterization.

Unsteady 1-D thrust modeling with EOS effects for ram accelerator experiments at different bores (2018)
Journal Article
Knowlen, C., Bauer, P., Bengherbia, T., Yao, Y., Bruckner, A. P., & Giraud, M. (2018). Unsteady 1-D thrust modeling with EOS effects for ram accelerator experiments at different bores. Aerotecnica Missili & Spazio, 97(1), 19-26. https://doi.org/10.1007/BF03404761

Advances made to the unsteady, one-dimensional (1-D) modeling of the thermally choked ram accelerator thrust-Mach number characteristics include the use of real-gas equations of state to account for the compressibility effects of the combustion produ... Read More about Unsteady 1-D thrust modeling with EOS effects for ram accelerator experiments at different bores.

Large-Scale Streamwise Vortices in Turbulent Channel Flow Induced by Active Wall Actuations (2017)
Journal Article
Ni, W., Lu, L., Fang, J., Moulinec, C., & Yao, Y. (2018). Large-Scale Streamwise Vortices in Turbulent Channel Flow Induced by Active Wall Actuations. Flow, Turbulence and Combustion, 100(3), 651-673. https://doi.org/10.1007/s10494-017-9871-5

© 2017, Springer Science+Business Media B.V., part of Springer Nature. Direct numerical simulations of turbulent flow in a plane channel using spanwise alternatively distributed strips (SADS) are performed to investigate the characteristics of large-... Read More about Large-Scale Streamwise Vortices in Turbulent Channel Flow Induced by Active Wall Actuations.

Ensemble-Empirical-Mode-Decomposition based micro-Doppler signal separation and classification (2017)
Journal Article
Chen, H., Lin, P., Emrith, K., Narayan, P. P., & Yao, Y. (2017). Ensemble-Empirical-Mode-Decomposition based micro-Doppler signal separation and classification. International Journal of Computer Applications in Technology, 56(4), 253-263. https://doi.org/10.1504/IJCAT.2017.10009946

The target echo signals obtained by Synthetic Aperture Radar (SAR) and Ground Moving Target Indicator (GMTI platforms are mainly composed of two parts, the micro-Doppler signal and the target body part signal. The wheeled vehicle and the track vehicl... Read More about Ensemble-Empirical-Mode-Decomposition based micro-Doppler signal separation and classification.

En-situ EXAFS investigation of zeolite supported Pt electrocatalyst structure (2017)
Journal Article
Yao, J., & Yao, Y. (2017). En-situ EXAFS investigation of zeolite supported Pt electrocatalyst structure. Materials Technology, 32(14), 862-869. https://doi.org/10.1080/10667857.2017.1348013

© 2017 Informa UK Limited, trading as Taylor & Francis Group. Experimental investigation was carried out for Pt electrochemical performance and Pt particle size using 1.5 and 5 wt% Pt loading on zeolite electrocatalysts made by Pt(NH3)4(NO3)2 or Pt... Read More about En-situ EXAFS investigation of zeolite supported Pt electrocatalyst structure.

Tetrahedral mesh improvement by shell transformation (2017)
Journal Article
Chen, J., Zheng, J., Zheng, Y., Xiao, Z., Si, H., & Yao, Y. (2017). Tetrahedral mesh improvement by shell transformation. Engineering with Computers, 33(3), 393-414. https://doi.org/10.1007/s00366-016-0480-z

© 2016, Springer-Verlag London. Existing flips for tetrahedral meshes simply make a selection from a few possible configurations within a single shell (i.e., a polyhedron that can be filled up with a mesh composed of a set of elements that meet each... Read More about Tetrahedral mesh improvement by shell transformation.

Zeolite supported palladium nanoparticle characterization for fuel cell application (2017)
Journal Article
Yao, J., & Yao, Y. (2017). Zeolite supported palladium nanoparticle characterization for fuel cell application. International Journal of Hydrogen Energy, 42(29), 18560-18567. https://doi.org/10.1016/j.ijhydene.2017.04.182

© 2017 Hydrogen Energy Publications LLC Palladium (Pd) has been widely used as a type of hydrogen storage material and has attracted much attention for fuel cell applications, due to its high solubility and mobility of hydrogen in Pd. In this study,... Read More about Zeolite supported palladium nanoparticle characterization for fuel cell application.

The influence of acoustic field induced by HRT on oscillation behavior of a single droplet (2017)
Journal Article
Ruan, C., Xing, F., Huang, Y., Yu, X., Zhang, J., & Yao, Y. (2017). The influence of acoustic field induced by HRT on oscillation behavior of a single droplet. Energies, 10(1), 48. https://doi.org/10.3390/en10010048

This paper presents an experimental and theoretical study on the effects of an acoustic field induced by Hartmann Resonance Tube (HRT) on droplet deformation behavior. The characteristics of the acoustic field generated by HRT are investigated. Resul... Read More about The influence of acoustic field induced by HRT on oscillation behavior of a single droplet.

Numerical investigation on shock train control and applications in a scramjet engine (2016)
Journal Article
Xing, F., Ruan, C., Huang, Y., Fang, X., & Yao, Y. (2017). Numerical investigation on shock train control and applications in a scramjet engine. Aerospace Science and Technology, 60, 162-171. https://doi.org/10.1016/j.ast.2016.11.007

© 2016 Elsevier Masson SAS Different factors which help to control the shock train in the scramjet isolator and combustor were analyzed via numerical investigations, and were applied to a whole scramjet engine in the working environment. A streamline... Read More about Numerical investigation on shock train control and applications in a scramjet engine.

Investigation of three-dimensional shock wave/turbulent-boundary-layer interaction initiated by a single fin (2016)
Journal Article
Fang, J., Yao, Y., Zheltovodov, A. A., & Lu, L. (2017). Investigation of three-dimensional shock wave/turbulent-boundary-layer interaction initiated by a single fin. AIAA Journal, 55(2), 509-523. https://doi.org/10.2514/1.J055283

Three-dimensional shock wave/turbulent-boundary-layer interaction of a hypersonic flow passing a single fin mounted on a flat plate at a Mach number of five and unit Reynolds number 3.7×10^7 was conducted by a large-eddy simulation approach. The perf... Read More about Investigation of three-dimensional shock wave/turbulent-boundary-layer interaction initiated by a single fin.

Comparative study on pole placement controller design with U-Model approach & classical approach (2016)
Journal Article
Mokhtar, N., Qiu, J., Zhu, G., Zhu, Q., Nibouche, M., & Yao, Y. (2016). Comparative study on pole placement controller design with U-Model approach & classical approach. https://doi.org/10.1109/ChiCC.2016.7555009

© 2016 TCCT. As a universal framework, U-model has established an enabling design prototype for the control of non-linear dynamic plants with concise and applicable linear approaches. This study is devoted to a remaining fundamental research question... Read More about Comparative study on pole placement controller design with U-Model approach & classical approach.