A review of static and dynamic heliostat wind loads

M Emes, A Jafari, A Pfahl, J Coventry, M Arjomandi - Solar Energy, 2021 - Elsevier
Accurate estimation of the static and dynamic wind loads on heliostats based on detailed
measurement and characterisation of turbulence is crucial to avoid structural failure and …

Measurement of unsteady wind loads in a wind tunnel: Scaling of turbulence spectra

A Jafari, F Ghanadi, MJ Emes, M Arjomandi… - Journal of Wind …, 2019 - Elsevier
Mismatch of turbulence spectra from the corresponding full-scale conditions is a common
challenge in wind tunnel modelling of unsteady wind loads on small-scale structures, such …

Hinge and overturning moments due to unsteady heliostat pressure distributions in a turbulent atmospheric boundary layer

MJ Emes, A Jafari, F Ghanadi, M Arjomandi - Solar energy, 2019 - Elsevier
Non-uniform pressure distributions on the heliostat surface due to turbulence in the
atmospheric boundary layer (ABL) have a significant impact on the maximum bending …

The influence of atmospheric boundary layer turbulence on the design wind loads and cost of heliostats

MJ Emes, A Jafari, J Coventry, M Arjomandi - Solar Energy, 2020 - Elsevier
This paper investigated the influence of the turbulent wind fluctuations in the lowest 10 m of
the atmospheric boundary layer (ABL), depending on the surface roughness of the terrain …

Correlating turbulence intensity and length scale with the unsteady lift force on flat plates in an atmospheric boundary layer flow

A Jafari, F Ghanadi, M Arjomandi, MJ Emes… - Journal of Wind …, 2019 - Elsevier
The correlation between turbulence intensity and length scale and the lift force on a
horizontal flat plate in an atmospheric boundary layer flow is investigated in this study …

Experimental and numerical analysis of hopper dust suppression during discharge of free falling bulk solids

J Shen, C Jin, J Yuan, Y Cai, C Wheeler - Powder Technology, 2023 - Elsevier
Dust pollution related to the discharge of hoppers has drawn the attention from industries
dealing with bulk solids handling. This paper presents an experimental setup to measure the …

Effect of bubble surface loading on bubble rise velocity

A Wang, MM Hoque, R Moreno-Atanasio… - Minerals …, 2021 - Elsevier
In this study, we report the rising behaviour of the millimetric size ellipsoidal shaped particle-
laden bubbles (particle diameter d P∼ 114 μm, bubble diameter d B∼ 2.76 and 3.34 mm) in …

[HTML][HTML] Heliostat wind loads in the atmospheric boundary layer (ABL): Reconciling field measurements with wind tunnel experiments

MJ Emes, M Marano, M Arjomandi - Solar Energy, 2024 - Elsevier
This paper investigates similarity effects of atmospheric boundary layer (ABL) turbulence in
full-scale field measurements and wind tunnel experiments on the aerodynamic wind loads …

Quantitative calculation of electromagnetic scattering characteristics from drag plate of aircraft afterbody

Z Zhou, J Huang - Engineering Computations, 2023 - emerald.com
Purpose This paper aims to discuss the electromagnetic scattering characteristics of the
afterbody model with two drag plates. Design/methodology/approach The plane shape of …

Turbulence characteristics in the wake of a heliostat in an atmospheric boundary layer flow

A Jafari, M Emes, B Cazzolato, F Ghanadi… - Physics of …, 2020 - pubs.aip.org
The mean and spectral characteristics of turbulence in the wake flow of a flat plate model
resembling a heliostat in the atmospheric boundary layer flow are investigated in a wind …