Browsing Mechanical and Mechatronics Engineering by Supervisor "Lien, Fue-Sang"
Now showing items 1-18 of 18
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Atmospheric Dispersion of Radionuclides Following Small Modular Reactor Accidents
(University of Waterloo, 2019-05-23)Small modular reactors (SMRs), reactors having a power rating of 300 Megawatts (MW) or less, have been under development for several decades. As fewer larger reactors are built due to the high upfront capital investment, ... -
Computational Acoustic Beamforming for Noise Source Identification for Small Horizontal Axis Wind Turbines
(University of Waterloo, 2017-02-21)This thesis develops a computational acoustic beamforming (CAB) method for identification of sources of small wind turbine noise. The methodology consists of three components: computational fluid dynamic (CFD), acoustic ... -
A Data-Driven Approach for Generating Vortex Shedding Regime Maps for an Oscillating Cylinder
(University of Waterloo, 2022-01-20)Recent developments in wind energy extraction methods from vortex-induced vibration (VIV) have fueled the research into vortex shedding behaviour. The vortex shedding map is vital for the consistent use of normalized ... -
Development of a Multi-Hour Ahead Wind Power Forecasting System
(University of Waterloo, 2022-09-01)Wind energy, as a renewable and green energy source with substantial value that is vital for sustainable human development, is gaining more and more attention around the world. The variability of wind implies that wind ... -
Elastic Actuator Line modelling for the Wake-induced Fatigue Analysis of Horizontal Wind Turbine
(University of Waterloo, 2018-09-25)The fatigue damage on wind turbine blades will threaten the safety and stability of the wind turbine and thus lower the efficiency and economy of the power generation system. The wake-induced fatigue plays an important ... -
Flow Dynamics and Aeroacoustics of Flow-induced Vibration of Bluff Bodies
(University of Waterloo, 2023-04-17)Flow-induced vibration (FIV), a common phenomenon of fluid-structure interaction (FSI), is found everywhere and at all scales in the applications of marine, civil, aeronautical, and power engineering. The study of FIV ... -
Flow-Induced Vibration of Elastically Mounted Cylinder-Plate Assemblies
(University of Waterloo, 2023-08-17)The transverse flow-induced vibration (FIV) of an elastically supported cylinder-plate assembly (viz., a rigid splitter-plate attached to the downstream side of a cylinder) is investigated deeply and systematically in this ... -
Investigating Synergy Between Vertical Axis Wind Turbines Using the Actuator Line Model
(University of Waterloo, 2022-08-22)In the past decade, numerous studies have confirmed the presence of beneficial, power-enhancing effects in the interactions of multiple vertical axis wind turbines (VAWTs). This effect is especially important for the ... -
Mesoscale modeling and direct simulation of explosively dispersed granular materials
(University of Waterloo, 2019-01-09)Explosively dispersed granular materials frequently exhibit macroscale coherent particle clustering and jetting structures. The underlying mechanism is of significant interest to study instability and mixing in high-speed ... -
Nanoparticle Focussing Using Aerodynamic Lenses and a Divergent Nozzle
(University of Waterloo, 2021-11-23)Since the COVID-19 pandemic has been a global crisis that has posed enormous and diverse challenges to humanity, it has revealed the urgent need for further study into a variety of properties of viruses, including virus ... -
Novel Tornado-Like Vortex Generator with Intelligent Controller
(University of Waterloo, 2021-01-29)Cooking fumes may cause multiple adverse health effects, and range hoods play central roles in controlling indoor air pollution caused by cooking fumes. However, the traditional design of the range hoods has a low efficiency ... -
Numerical Prediction of Jet Noise Using Compressible Lattice Boltzmann Method
(University of Waterloo, 2020-01-23)Computational fluid dynamics (CFD) encompasses a variety of numerical methods. Some depend on macroscopic model representatives, which are solved by finite volume, finite element or finite difference method, while others ... -
Numerical Schemes for 1-D Two-Phase Flows
(University of Waterloo, 2017-05-15)Modeling of two-phase flows with strong thermal and mechanical non-equilibrium ef- fects is important in engineering applications, such as the nuclear industry. The Advection Upstream Splitting Methods (AUSM-family schemes) ... -
Pitch Angle Control for a Small-Scale Darrieus Vertical Axis Wind Turbine with Straight Blades (H-type VAWT)
(University of Waterloo, 2019-06-18)Unlike the horizontal axis wind turbines, only a few studies have been conducted recently to improve the performance of a Darrieus Vertical Axis Wind Turbine with straight blades (H-type VAWT). Pitch angle control technique ... -
Serious Game for Fire Evacuation
(University of Waterloo, 2019-05-21)Fire safety for buildings has been of increasing concern due to the increase in occupant density in modern-day infrastructures. Efforts have been made by civil engineers to reduce loss in building fire accidents. For ... -
Simulation of In-Flight Rime Icing Using a Non-Body-Fitted Mesh
(University of Waterloo, 2020-05-01)In-flight rime icing occurs when supercooled droplets strike the surface of an aircraft and instantly freeze. This often occurs in the high moisture, cold environments of clouds and is of major concern to aircraft manufacturers ... -
Solid-Particles Deposition Through a Turbulent Impinging Jet Using Lattice Boltzmann Method
(University of Waterloo, 2018-10-30)Solid particle distribution on an impingement surface has been simulated utilizing a graphical processing unit (GPU). An in-house computational fluid dynamics (CFD) code has been developed to investigate a 3D turbulent ... -
Towards Improved Understanding and Modelling of Compact Heat Exchangers
(University of Waterloo, 2021-06-02)The present work pursues the ability to increase the fundamental understanding of and to improve numerical modelling capabilities for Compact Heat Exchangers (CHE). This goal is achieved by numerically and experimentally ...