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Equations of state for thrust modeling of ram accelerator at different bores (2017)
Presentation / Conference
Bauer, P., Bengherbia, T., Yao, Y., Knowlen, C., Bruckner, A., & Giraud, M. (2017, September). Equations of state for thrust modeling of ram accelerator at different bores. Presented at Italian Association of Aeronautics and Astronautics XXIV International Conference, Palermo – Enna, Italy

The ram accelerator is a propulsion concept based on using shock-induced combustion to accelerate projectiles traveling at supersonic speeds in a launch tube pre-filled with a gaseous combustible mixture. Extensive experimental studies have been carr... Read More about Equations of state for thrust modeling of ram accelerator at different bores.

Direct numerical simulation of a tip-leakage vortex model in a planar duct with a longitudinal slit (2017)
Presentation / Conference
Fang, J., Gao, Y., Yao, Y., Liu, Y., & Lu, L. (2017, September). Direct numerical simulation of a tip-leakage vortex model in a planar duct with a longitudinal slit. Poster presented at UKTC Annual Review, London, England

A computational model of a planar duct with a cross flow injected from a longitudinal slit on the top of the duct is developed to study the tip-leakage vortex (TLV) which is one of the most important flow phenomena within the rotor of turbomachinery.... Read More about Direct numerical simulation of a tip-leakage vortex model in a planar duct with a longitudinal slit.

Zeolite supported Pd electrocatalyst nano-particle characterization (2017)
Presentation / Conference
Yao, J., & Yao, Y. (2017, July). Zeolite supported Pd electrocatalyst nano-particle characterization. Paper presented at ANM2017 Int conf. on advanced nano materials, Aveiro, Portugal

Palladium (Pd) as one of platinum (Pt) group metals has attracted significant attentions since it has shown good activities for hydrogen reaction (HOR) and oxygen reduction reaction (ORR) in fuel cell application and high solubility and mobility... Read More about Zeolite supported Pd electrocatalyst nano-particle characterization.

Ex-situ exafs investigation of zeolite supported pt electrocatalyst structure (2017)
Presentation / Conference
Yao, J., & Yao, Y. (2017, June). Ex-situ exafs investigation of zeolite supported pt electrocatalyst structure. Paper presented at The Seventh International Symposium on Physics of Fluids (ISPF7), Guiyang, China

The electrochemical performance of zeolite supported 1.5 wt% Pt electrocatalyst in fuel cell has been discussed in previous studies [1, 2]. This work will focus on investigating the influence of Pt loading and Pt deposition methods on Pt electrochemi... Read More about Ex-situ exafs investigation of zeolite supported pt electrocatalyst structure.

Large-scale secondary vortices in the turbulent channel flow induced by active wall actuations (2017)
Presentation / Conference
Ni, W., Lu, L., Fang, J., Yao, Y., & Moulinec, C. (2017, June). Large-scale secondary vortices in the turbulent channel flow induced by active wall actuations. Paper presented at The Seventh International Symposium on Physics of Fluids (ISPF7), Guiyang, China

Direct numerical simulations (DNS) of the turbulent channel flow with spanwise alternatively distributed out-of-phase (OP) and in-phase (IP) wall actuations strips (SADS) are conducted to investigate the characteristics of the large-scale streamwise... Read More about Large-scale secondary vortices in the turbulent channel flow induced by active wall actuations.

Large-scale Secondary Vortices Generated by Wall Actuations: Application to the Turbulent Channel Flow (2017)
Presentation / Conference
Actuations: Application to the Turbulent Channel Flow. Paper presented at Parallel CFD Conference 2017, Glasgow, UK

The large-scale streamwise vortex (LSSV) generation mechanism in the turbulent boundary layer is closely linked to the turbulent mixing process and its potential to suppress flow separation. Direct numerical simulations (DNSs) of weakly compressible... Read More about Large-scale Secondary Vortices Generated by Wall Actuations: Application to the Turbulent Channel Flow.

Unsteady parametrization of a morphing wing design for improved aerodynamic performance (2017)
Presentation / Conference
Abdessemed, C., Yao, Y., Narayan, P., & Bouferrouk, A. (2017, March). Unsteady parametrization of a morphing wing design for improved aerodynamic performance. Paper presented at 52nd 3AF International Conference on Applied Aerodynamics, Lyon, France

A morphing wing is a bio-inspired concept where all moving parts e.g. slats/flaps are replaced with a deformable body. This paper describes a methodology that uses modified parametrization methods to define a morphing geometry, and applies user-defin... Read More about Unsteady parametrization of a morphing wing design for improved aerodynamic performance.

DES prediction of a 3-element high-lift airfoil with a blown flap (2017)
Presentation / Conference
Ouyang, B., Yao, Y., & Bouferrouk, A. (2017, March). DES prediction of a 3-element high-lift airfoil with a blown flap. Presented at 52nd 3AF International Conference on Applied Aerodynamics, Lyon, France

Over the last 20 years, research on aerodynamic flow control methods has received considerable attention due to its ability to improve aircraft aerodynamic performance beyond current capabilities (Ternoy et al., 2013). It is evident that a successful... Read More about DES prediction of a 3-element high-lift airfoil with a blown flap.