- Wind and Air Flow Studies
- Building Energy and Comfort Optimization
- Fuel Cells and Related Materials
- Aerodynamics and Fluid Dynamics Research
- Electrocatalysts for Energy Conversion
- Fluid Dynamics and Turbulent Flows
- Noise Effects and Management
- Heat Transfer Mechanisms
- Aeolian processes and effects
- Tree Root and Stability Studies
- Plant Water Relations and Carbon Dynamics
- Urban Heat Island Mitigation
- Air Quality and Health Impacts
- Combustion and flame dynamics
- Probabilistic and Robust Engineering Design
- Advancements in Solid Oxide Fuel Cells
- Urban Stormwater Management Solutions
- Organ Transplantation Techniques and Outcomes
- Evacuation and Crowd Dynamics
- Food Supply Chain Traceability
- Liver physiology and pathology
- Advanced Battery Technologies Research
- Fire dynamics and safety research
- Computational Fluid Dynamics and Aerodynamics
- Conducting polymers and applications
Institute of High Performance Computing
2010-2024
Agency for Science, Technology and Research
2009-2024
National University of Singapore
2023
Nanyang Technological University
2000-2002
Singapore Science Park
2002
Background Nasal obstruction (NO) is a very common symptom, but its effect on nasal physiology has not been fully understood. We performed this study to determine the of severity NO due inferior turbinate hypertrophy airflow pattern using computational fluid dynamics simulations. Methods A three-dimensional cavity model was constructed from MRI scans healthy human subject. cavities corresponding healthy, moderate, and severe simulated by enlarging geometrically, which can be documented...
Pulsed impinging jets have received increasing interest for their potential in heat and mass transfer enhancement. However, published results on effects of pulsations under different flow geometrical parameters shown conflicting results. To further understand the thermal processes pulsed jets, a numerical investigation has been performed two dimensional turbulent jet large temperature differences between surface to examine effect temperature-dependent thermophysical properties along with...
In this work, we adopt the integration of L-system fractal tree generation, 3D printed wind tunnel modeling, and computational fluid dynamics (CFD) simulation approach to model effect on a single tree. We compare agreement between CFD simulations measurements rigid branched structures resembling trees. First, mesh models based species growth branching patterns are developed represent for wind–tree modeling. Subsequently, scaled-down is generated with 3D-printing subjected testing load cell...
Estimation of the aerodynamic load on trees is essential for urban tree management to mitigate risk failure. To assess that in a cost-effective way, scaled down models and numerical simulations were utilized. Scaled reduce cost experimental studies allow be conducted controlled environment, namely wind or water tunnel, but major challenge construct model resembles real tree. We constructed 3D-printed fractal species Singapore using procedural modelling, based species-specific growth...
Abstract In densely populated cities, residents living near aerodromes may experience heightened exposure to aircraft noise. With hybrid work arrangement, authorities have observed a rise in the number of complaints filed by affected view this problem, urban planners are now placing even more emphasis on exploring solutions that can manage noise new and existing residential areas. To achieve objective, usually rely external acoustic consultants generate maps using commercial software....
In the recent decade, investigation on total building performance has become increasingly important for environmental modelling community. With advance of integrated design and tool Building Information Modelling (BIM) development, it is now possible to simulate predict energy efficiency, air quality & health assessment, risk analysis mitigation scenario our urban planning analysis; all seamlessly in a single digital platform. order achieve national goal at least 80% buildings Singapore be...
Many buildings have louvers on their facades or windows, as they reduce penetration of wind-driven rain, indoor glare and irradiance from the sun external noise. However, these typically millimetre-scale blade thicknesses slat pitch, while spanning metres across building in a full simulation domain several kilometres. Consequently, computational fluid dynamic models require vastly increased cell counts to explicitly resolve fine features for accuracy, which is computationally expensive. An...
Pollutant control is one of the key concerns in design buildings, for sake occupational health, safety and environment sustainability. In particular, risk analyses related to emergency leakage chemicals from storage tanks or chemical processes have aroused increasing attentions recent days, as well effectiveness mitigation measures order eliminate, reduce risks. this paper, a CFD methodology with nonreactive gases treated passive scalars has been developed simulate gas dispersion across...
Summary In this article a coupled version of the improved divergence‐free‐condition compensated method will be proposed to simulate time‐varying geometries by direct forcing immersed boundary method. The can seen as quasi‐multi‐moment framework due fact that momentum equations are discretized both cell‐centered and cell‐face velocity. For simulating geometries, semi‐implicit iterative is for calculating terms. Treatments suppressing spurious force oscillations, drag/lift forces, evaluating...
A comfortable learning and teaching environment is one of the key concerns in design school buildings. In Singapore public buildings, most classrooms are naturally ventilated, for sake energy saving sustainable design. It necessary to study impact environmental conditions features get some clues facilitate designers ventilated designs. this study, CFD simulations have been carried out evaluate natural ventilation condition identify plausible reasons causing thermal discomfort an actual...