Outputs (59)

Numerical simulation and experimental investigation of the effect of three-layer annular coaxial shroud on gas-powder flow in laser cladding (2022)
Journal Article
Lyu, P., Jin, L., Yan, B., Zhu, L., Yao, J., & Jiang, K. (2022). Numerical simulation and experimental investigation of the effect of three-layer annular coaxial shroud on gas-powder flow in laser cladding. Journal of Manufacturing Processes, 84, 457-468. https://doi.org/10.1016/j.jmapro.2022.10.019

Laser cladding is a notable metal additive manufacturing (AM). The outstanding benefit of laser cladding is that the cladding process is more flexible and it can be completed in an open environment. However, oxidation phenomenon of active metals such... Read More about Numerical simulation and experimental investigation of the effect of three-layer annular coaxial shroud on gas-powder flow in laser cladding.

Transient CFD modelling of air–water two-phase annular flow characteristics in a small horizontal circular pipe (2022)
Journal Article
Yao, J., & Yao, Y. (2022). Transient CFD modelling of air–water two-phase annular flow characteristics in a small horizontal circular pipe. Fluids, 7(6), Article 191. https://doi.org/10.3390/fluids7060191

The liquid film formed around the inner walls of a small horizontal circular pipe often exhibits non-uniform distributions circumferentially, where the film is thinner at the top surface than the bottom one. Even with this known phenomenon, the probl... Read More about Transient CFD modelling of air–water two-phase annular flow characteristics in a small horizontal circular pipe.

Unsteady flow oscillations in a 3-D ventilated model room with convective heat transfer (2022)
Journal Article
Yao, J., & Yao, Y. (2022). Unsteady flow oscillations in a 3-D ventilated model room with convective heat transfer. Fluids, 7(6), Article 192. https://doi.org/10.3390/fluids7060192

Improving indoor air quality and energy consumption is one of the high demands in the building sector. In this study, unsteady flow oscillations in a 3-D ventilated model room with convective heat transfer have been studied for three configurations o... Read More about Unsteady flow oscillations in a 3-D ventilated model room with convective heat transfer.

Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios (2022)
Journal Article
Syawitri, T. P., Yao, Y., Yao, J., & Chandra, B. (2022). Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios. Wind Engineering, 46(5), 1487-1510. https://doi.org/10.1177/0309524x221084980

Location and geometry optimisations of Straight Plate Upstream Deflector (SPUD) for performance enhancement of a three-straightbladed Vertical Axis Wind Turbine (VAWT) are carried out at three regimes of tip speed ratios (TSRs). Results analysis reve... Read More about Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios.

A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines (2022)
Journal Article
Syawitri, T. P., Yao, Y., Yao, J., & Chandra, B. (2022). A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines. Wiley Interdisciplinary Reviews: Energy and Environment, 11(4), e435. https://doi.org/10.1002/wene.435

This article provides a comprehensive review about passive flow control devices (PFCDs) implemented in lift-type vertical axis wind turbine (LVAWT), focusing on the underlying flow physics mechanisms and to what extents they can improve the LVAWT per... Read More about A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines.

Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios (2021)
Journal Article
Syawitri, T. P., Yao, Y., Yao, J., & Chandra, B. (2022). Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios. Sustainable Energy Technologies and Assessments, 49, Article 101779. https://doi.org/10.1016/j.seta.2021.101779

Optimisation of Gurney flap (GF) geometries mounted on a three-straight-bladed vertical axis wind turbine (VAWT) is evaluated with computational fluid dynamics (CFD) solution and Taguchi method, considering the blade rotating effect at three tip spee... Read More about Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios.

Comparison study of URANS and hybrid RANS-LES models on predicting vertical axis wind turbine performance at low, medium and high tip speed ratio ranges (2020)
Journal Article
Syawitri, T. P., Yao, Y. F., Chandra, B., & Yao, J. (2021). Comparison study of URANS and hybrid RANS-LES models on predicting vertical axis wind turbine performance at low, medium and high tip speed ratio ranges. Renewable Energy, 168, 247-269. https://doi.org/10.1016/j.renene.2020.12.045

Comparison study of unsteady Reynolds-averaged Navier-Stokes (URANS) and hybrid RANS-LES models is carried out for predicting the performance of three-straight-bladed vertical axis wind turbine operating within tip speed ratios (TSRs) ranges of (1.44... Read More about Comparison study of URANS and hybrid RANS-LES models on predicting vertical axis wind turbine performance at low, medium and high tip speed ratio ranges.

Flow analysis in right-angled pipes with different geometric shapes and parameters for sludge discharge in slime shield machines measured using a CFD-DEM method (2020)
Journal Article
Chen, L., Liu, K., Yao, Y., Yao, J., Su, Z., & Luo, G. (2020). Flow analysis in right-angled pipes with different geometric shapes and parameters for sludge discharge in slime shield machines measured using a CFD-DEM method. International Journal for Computational Methods in Engineering Science and Mechanics, 21(5), 231-242. https://doi.org/10.1080/15502287.2020.1809554

Mud and gravel deposition often occurs in circulation systems of pumps. In this paper, a liquid-solid coupling method combining CFD and DEM is proposed to study two-phase flow behavior of water, The flow characteristics of water-clay mud and the moti... Read More about Flow analysis in right-angled pipes with different geometric shapes and parameters for sludge discharge in slime shield machines measured using a CFD-DEM method.

Assessment of stress-blended eddy simulation model for accurate performance prediction of vertical axis wind turbine (2020)
Journal Article
Syawitri, T. P., Yao, Y., Yao, J., & Chandra, B. (2021). Assessment of stress-blended eddy simulation model for accurate performance prediction of vertical axis wind turbine. International Journal of Numerical Methods for Heat and Fluid Flow, 31(2), 655-673. https://doi.org/10.1108/HFF-09-2019-0689

Purpose: The aim of this paper is to assess the ability of a stress-blended eddy simulation (SBES) turbulence model to predict the performance of a three-straight-bladed vertical axis wind turbine (VAWT). The grid sensitivity study is conducted to ev... Read More about Assessment of stress-blended eddy simulation model for accurate performance prediction of vertical axis wind turbine.

The effect of gurney flap on flow characteristics of vertical axis wind turbine (2020)
Journal Article
Syawitri, T. P., Yao, Y. F., Yao, J., & Chandra, B. (2020). The effect of gurney flap on flow characteristics of vertical axis wind turbine. International Journal of Modern Physics B, 34(14n16), Article 2040107. https://doi.org/10.1142/S0217979220401074

Recently, the Gurney Flap (GF) has been used to improve the performance of Horizontal Axis Wind Turbine (HAWT) by enhancing its lift coefficient. Compared to HAWT, research on GF application for Vertical Axis Wind Turbine (VAWT) is very limited. More... Read More about The effect of gurney flap on flow characteristics of vertical axis wind turbine.