Boundary-layer transition model for icing simulations of rotating wind turbine blades by Chankyu Son, Mark Kelly, Taeseong Kim

“…Adding a transport equation for ‘roughness amplification’ to the Langtry-Menter model, the roughness-induced transition can be predicted for rough flat plates. …”
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Self-twisting blades for passive regulation of a small wind-turbine by Julian Feuchtwang

“…It is widely recognisedt hat for small stand-aloneb attery chargingw ind-turbines, below lOkW in rated power, the issue of regulating the rotor speed is one that has not been resolved definitively, especially with regard to the runaway condition. …”
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Image enhanced mask R-CNN: A deep learning pipeline with new evaluation measures for wind turbine blade defect detection and classification by Clifford Zhang, Georgina Cosma, Jason Watkins

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Stability margin analysis for PI pitch controllers on large wind turbines by Qusay Hawari, James Fleming, Taeseong Kim, Christopher Ward

“…This work addresses blade pitch controllers for variable speed wind turbines for the purpose of maintaining power at rated value during above rated wind speeds. …”
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A robust gain scheduling method for a PI collective pitch controller of multi-MW onshore wind turbines by Qusay Hawari, Taeseong Kim, Christopher Ward, James Fleming

“…The paper investigates the frequency domain characteristics of a full state linearized turbine model extracted from the aeroelastic simulation tool HawcStab2, and suggests a reduced order model that captures the low-frequency behaviour and may be used to derive PI tuning formulae that account for collective blade flap modes. …”
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Studies of p-type semiconductor photoelectrodes for tandem solar cells by Thomas Smith

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Investigation of turbulent flows and instabilities in a stirred vessel using particle image velocimetry by Firoz R. Khan

“…The present study uses this technique to investigate the flowfields and turbulent properties in a 290mm vessel stirred by Rushton Disc turbine (RDT) and Pitched blade turbine (PBT) impellers. …”
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Investigation of turbulent flows and instabilities in a stirred vessel using particle image velocimetry. Additional files by Firoz R. Khan

“…The present study uses this technique to investigate the flowfields and turbulent properties in a 290mm vessel stirred by Rushton Disc turbine (RDT) and Pitched blade turbine (PBT) impellers. …”
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Blister mechanics of thin films and thermal barrier coatings by Bo Yuan

“…These models provide insights to optimise the design of TBC material systems.Fourth, spallation tests are conducted using two types of TBCs on turbine blades to investigate their blister mechanics: One with a Pt-modified aluminide bond coat, and another with a Pt-diffused bond coat. …”
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The interaction of bats (Microchiroptera) with wind turbines: bioacoustic and other investigations by Chloe V. Long

“…The main contributions of this thesis are (1) the formulation and application of a novel equation to rate turbine rotors in terms of bat detectability, identifying that features such as rotor angular velocity, number of blades, blade width and bat species all influence the likelihood of rotor detection; (2) passive and active ultrasonic measurements from turbine rotors in order to assess the nature of acoustic bat interaction with turning blades, showing that frequency and amplitude information in returned echoes can vary significantly, echoes may be attractive to bats as mimicry of echoes returned from flying insects, and that some turbines do not emit ultrasonic noise detectable to all bat species; (3) assessment of the Doppler shift profiles generated by moving blades in order to investigate the changing nature of frequency information returned to an echolocating bat, concluding that blades turning under low wind speed conditions may not be detectable by some bat species; (4) Monte Carlo simulation of bat-like rotor sampling to account for the temporally short nature of reflected echoes, with the result that some bat species may not be able to achieve enough echoes to accurately interpret blade movement in the short approach time-window; (5) the creation and utilisation of artificial bat-like pulses for lab-based experimental work and (6) the investigation of insect attraction to turbine paint colours to determine the potential abundance of bat prey around turbine installations, finding that existing turbine colours are significantly attractive to insect species. …”
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Bifurcation behavior of airfoil undergoing stall flutter oscillations in low-speed wind tunnel by Grigorios Dimitriadis, Jing Li

“…Stall flutter is a nonlinear aeroelastic phenomenon that can affect several types of aeroelastic systems such as helicopter rotor blades, wind turbine blades, and highly flexible wings. …”
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Investigation of spallation mechanisms in thermal barrier coating material systems by Harry Hay

“…In this work, the novel FEA model is verified by modelling a conventional postbuckling problem and comparing the results to predictions made using Hutchinson and Suo’s buckling theory. …”
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The financial benefits of various catastrophic failure prevention strategies in a wind farm: Two market studies (UK-Spain) by N.Y. Yurusen, Jannis Weinert, Simon Watson, J.J. Melero

“…The financial consequences of the scenarios are compared with a baseline by using a discounted cash flow analysis that considers the wholesale electricity market selling prices and interest rates. …”
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Microstructure modelling of coated single-crystal Ni-based superalloys by Irene Di Martino

“…This work was mainly concerned with the evolution of the microstructure in both the parent material and the coating as a function of temperature and time in a number of single-crystal Ni-based superalloys, coated with an MCrAlY coating. …”
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Propagation of localised flexural vibrations along plate edges described by a power law by Victor V. Krylov, A.L. Shuvalov

“…Also, the analytical theory based on geometrical-acoustics approach has been developed for the same range of wedge apex angle [11]. ln the paper [12] deaiing with finite element calculations of the velocities and amplitudes of wedge waves, among other results, calculations have been carried out of the velocities of waves propagating along the edge of a cylindrical wedge-like structure bounded by a circular cylinder and a conical cavity. ln the paper tist different cylindrical and conical wedge-like structures have been investigated using geometrical acoustics approach.…”
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Binder stabilization and rheology optimization for vat-photopolymerization 3D printing of silica-based ceramic mixtures by Basar Ozkan, Farzaneh Sameni, Sarah Karmel, Daniel Engstrom, Ehsan Sabet

“…Enhancing inlet gas temperature in aero/gas turbines to reduce their carbon-footprint, has led to a strive for better performing inlet cooling mechanism of the turbine blades. …”
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PIV study of the flow field generated by a sawtooth impeller by Heema Unadkat, Chris Rielly, Zoltan Nagy

“…Stereoscopic and high-speed particle image velocimetry (PIV) techniques have been employed to study the flow field induced by a sawtooth (EkatoMizer) impeller, operated in the fully turbulent flow regime at an impeller speed of 1500 rpm. …”
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Oxidation of MCrAlY coatings on Ni-based superalloys by Michael Pace

“…Ni-based superalloys are a common material utilised for turbine blades due to their high temperature strength. …”
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In-situ temperature monitoring directly from cathode surface of an operating solid oxide fuel cell by Erdogan Guk, Manoj Ranaweera, Vijay Venkatesan, Jung-Sik Kim, WooChul Jung

“…The multi-channel array showed excellent temperature correlation with the fuel flow rate and with the cell's performance whilst commercial thermocouples showed a very dull response (10 ~ 20 °C discrepancy between thermocouples and the multi-channel array). …”
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Performance and accuracy of high-order accurate large-eddy simulations for gas turbine combustor aerodynamics by Vishal Saini

“…For each case, the differences observed in the flow-fields are explained using a kinetic energy dissipation rate analysis. …”
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Active tip deflection control for wind turbines by Jaime Liew, Wai Hou Lio, Albert Meseguer Urbán, Jessica Holierhoek, Taeseong Kim

“…Typically, modern blade tip sensors measure flapwise tip deflection distances at a high sampling rate, and such measurements can be utilised as feedback signals for control operations. …”
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Digital spectral analysis using unconventional sampling methods by Roy J. Orme

“…The thesis finishes with a short description of the practical problem of measuring turbine blade vibrations using blade-tip displacement detection. …”
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LQG control for hydrodynamic compensation on large floating wind turbines by Qusay Hawari, Taeseong Kim, Christopher Ward, James Fleming

“…In simulations with realistic stochastic wind and wave disturbances, the new controller achieves 32% lower generator speed Root Mean Square Error (RMSE) and 16% lower platform pitch RMSE compared to a standard LQG controller that does not include hydrodynamic states, for equivalent levels of pitch actuation and with a 2° /sec rate limit on pitch. …”
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Ultrasonic noise emissions from wind turbines: potential effects on bat species by Chloe V. Long, Paul Lepper, James A. Flint

“…Much research is still needed to fully understand the ways in which turbines affect bats, since they rely on echolocation and audible cues to hunt and navigate, therefore having a unique acoustic perspective of objects in their vicinity. …”
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Application of flourescent PIV and digital image analysis to measure turbulence properties of solid-liquid stirred suspensions by Heema Unadkat, Chris Rielly, Graham Hargrave, Zoltan Nagy

“…This study describes an experimental technique which combines Fluorescent Particle Image Velocimetry (FPIV) and digital image analysis, to quantify the hydrodynamics of a solid–liquid suspension stirred by a 45◦ pitched-blade turbine impeller. …”
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Dispersion of clusters of nanoscale silica particles using batch rotor-stators by Shah W. Kamaly, Alan C. Tarleton, Gul Ozcan-Taskin

“…The MICCRA D-9 head consists of a set of teeth for the stator and another for the rotor, whereas the VMI has a stator with slots and a rotor which consists of a 4-bladed impeller attached to an outer set of teeth. …”
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The influence of rotor downwash on spray distribution under a quadrotor unmanned aerial system by Matthew Coombes, Sam Newton, James Knowles, Andrew Garmory

“…Computational Fluid Dynamics simulations, using RANS modelling for the flow field and Lagrangian particle tracking for the spray, are conducted for several single-rotor and multi-rotor cases with the spray injected underneath the centre of the rotor. …”
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Enhanced performance of flexible dye-sensitized solar cells: electrodeposition of Mg(OH)(2) on a nanocrystalline TiO2 electrode by Nirmal Peiris, S. Senthilarasu, Upul Wijayantha-Kahagala-Gamage

“…Nanocrystalline TiO2 photoanodes were prepared on a conductive indium–tin oxide coated polyethylene naphthalate (ITO-PEN) plastic substrate by the doctor-blade method to fabricate flexible dye-sensitized solar cells (DSCs). …”
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Investigation of turbulence modulation in solid-liquid suspensions using FPIV and micromixing experiments by Heema Unadkat

“…Due to differences in rms velocities, TKE estimates obtained from two and three velocity components deviated, being greater in the latter case. …”
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Efficient retrieval of images with irregular patterns using morphological image analysis: applications to industrial and healthcare datasets by Jiajun Zhang, Georgina Cosma, Sarah Bugby, Jason Watkins

“…Our proposed ImR framework performed better (by 8.71%) than Super Global, a state-of-the-art deep-learning-based image retrieval approach across all datasets.…”
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AI-based defect and irregular pattern detection, classification and retrieval models enhanced with morphological feature engineering for enabling AI reasoning capability by Jiajun Zhang

“…This research is focused on advancing AI capabilities for the precise identification of DIPs in images while also clarifying model decisions through characterisation and reasoning.The first key contribution is the Image-Enhanced Mask R-CNN (IE-Mask-RCNN), a novel Deep Learning (DL) pipeline for automated wind turbine blade defect detection and classification. …”
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Process and product development for a novel automotive coating by Herrick Yu

“…The new formulation is a solvent based polymeric lacquer that has been prepared using a sawtooth impeller in both laboratory formulation and production scale at MacDermid Autotype. …”
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