K.C.S. Kwok
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View article: AIE Bottlebrush Polymers: Verification of Internal Crowdedness in Bottlebrush Polymers Using the AIE Effect
AIE Bottlebrush Polymers: Verification of Internal Crowdedness in Bottlebrush Polymers Using the AIE Effect Open
Bottlebrush polymers, characterized by densely grafted side chains along a central backbone, have gained significant interest due to their unique properties in bulk and solution states. Despite extensive research, a comprehensive understan…
View article: AIE Bottlebrush Polymers: Verification of Internal Crowdedness in Bottlebrush Polymers Using the AIE Effect
AIE Bottlebrush Polymers: Verification of Internal Crowdedness in Bottlebrush Polymers Using the AIE Effect Open
Bottlebrush polymers, characterized by densely grafted side chains along a central backbone, have gained significant interest due to their unique properties in bulk and solution states. Despite extensive research, a comprehensive understan…
View article: Effects of Small-Scale Turbulence on the Aerodynamic and Aeroelastic Responses of a 3:2 Rectangular Prism
Effects of Small-Scale Turbulence on the Aerodynamic and Aeroelastic Responses of a 3:2 Rectangular Prism Open
The scope of the ERIES-SSTURBO project is reviewed in this work, emphasizing the importance of gaining a deeper understanding of the effects that turbulence in general, and turbulent length scale in particular, have in the flow-induced res…
View article: Urban wind field prediction based on sparse sensors and physics‐informed graph‐assisted auto‐encoder
Urban wind field prediction based on sparse sensors and physics‐informed graph‐assisted auto‐encoder Open
The urban flow wind field is a critical element for downstream research, such as mitigation of urban wind disasters, assessment of urban wind environment, and urban drone route planning. However, it is impractical to arrange a large number…
View article: Subjective Face Transform using Human First Impressions
Subjective Face Transform using Human First Impressions Open
Humans tend to form quick subjective first impressions of non-physical attributes when seeing someone's face, such as perceived trustworthiness or attractiveness. To understand what variations in a face lead to different subjective impress…
View article: Machine learning-enabled estimation of crosswind load effect on tall buildings
Machine learning-enabled estimation of crosswind load effect on tall buildings Open
This paper presents an approach to predict crosswind force spectra and associated response of tall buildings with rectangular cross-section based on machine learning (ML) technique and random vibration-based response analysis. An efficient…
View article: RANS simulation of near-field dispersion of reactive air pollutants
RANS simulation of near-field dispersion of reactive air pollutants Open
In conventional modeling of air pollution dispersion, pollutants are treated as passive scalars or inert species even though most of them are chemically reactive [1]. Chemical reactions contribute to pollutant dispersion via the generation…
View article: SQUARE CYLINDER UNDER DIFFERENT TURBULENT INTENSITY CONDITIONS BY MEANS OF SMALL-SCALE TURBULENCE
SQUARE CYLINDER UNDER DIFFERENT TURBULENT INTENSITY CONDITIONS BY MEANS OF SMALL-SCALE TURBULENCE Open
[Abstract] The phenomenon of turbulence is present in almost every type of flow in practical applications. Depending on its level of intensity and length scale, it can modify both the aerodynamic and aeroelastic performance of a body under…
View article: Performance of an omnidirectional piezoelectric wind energy harvester
Performance of an omnidirectional piezoelectric wind energy harvester Open
This paper presents a vortex‐induced vibration (VIV)‐based piezoelectric energy harvester that performs well for all wind directions, a so‐called omnidirectional wind energy harvester. The kinetic energy of this harvester stems from wind‐i…
View article: LES simulation of terrain slope effects on wind enhancement by a point source fire
LES simulation of terrain slope effects on wind enhancement by a point source fire Open
Fire-driven flows associated with wind intervention can dangerously threaten buildings in bushfire-prone areas by increasing pressure load on the structures through fire-wind enhancement phenomenon. This phenomenon through which wind is en…
View article: Investigation of wind pressures on tall building under interference effects using machine learning techniques
Investigation of wind pressures on tall building under interference effects using machine learning techniques Open
Interference effects of tall buildings have attracted numerous studies due to the boom of clusters of tall buildings in megacities. To fully understand the interference effects of buildings, it often requires a substantial amount of wind t…
View article: Aerodynamic analysis of a stator‐augmented linear cascade wind turbine
Aerodynamic analysis of a stator‐augmented linear cascade wind turbine Open
This study proposes to attach stator vanes to PowerWindow, a linear cascade wind turbine, to improve the flow direction in the device. By controlling the angle of attack, the stator vanes increase the acting force and decrease the undesira…
View article: Building integration of stator‐augmented PowerWindow, a linear cascade wind turbine
Building integration of stator‐augmented PowerWindow, a linear cascade wind turbine Open
This study investigates power generation capacity of stator‐augmented PowerWindow, a linear cascade wind turbine, when installed in through‐building openings of a tall building. By employing a new approach, referred to as equivalent moment…
View article: Predicting wind pressures around circular cylinders using machine learning techniques
Predicting wind pressures around circular cylinders using machine learning techniques Open
Numerous studies have been carried out to measure wind pressures around circular cylinders since the early 20th century due to its engineering significance. Consequently, a large amount of wind pressure data sets have accumulated, which pr…