Development of combustion models for RANS and LES applications in SI engines by Chathura P. Ranasinghe

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User association in cloud RANs with massive MIMO by Saeedeh Parsaeefard, Vikas Jumba, Atoosa Dalili Shoaei, Mahsa Derakhshani, Tho Le-Ngoc

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Hybrid RANS/LES modelling of OGV/prediffuser flow by Jinghua Li

“…In order to understand the optimum approach for modelling turbulence in this important sub-component of compressor/combustor interaction, a comparison is reported in this thesis with available experimental data for both a conventional and an advanced OGV/prediffuser combination using (i) both high Re and low Re RANS CFD, (ii) LES CFD, and (iii) hybrid RANS/LES CFD. …”
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The interplay between artificial intelligence and fog radio access networks by Wenchao Xia, Xinruo Zhang, Gan Zheng, Jun Zhang, Shi Jin, Hongbo Zhu

“…Then, two examples of AI-based applications in F-RANs, i.e., health monitoring and intelligent transportation systems, are presented, followed by a case study of an RL-based caching application in the presence of spatiooral unknown content popularity to showcase the potential of applying AI to F-RANs.…”
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CFD modelling of gas turbine combustion processes by Asela R. Uyanwaththa

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Flow and surface heat transfer analysis of a square cylinder in turbulent cross-flow by Shaun Chen, Hao Xia

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The architecture of pneumatic regenerative systems for the diesel engine by Ran Bao

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The influence of fan root flow on the aerodynamics of a low-pressure compressor transition duct by Duncan Walker, I. Mariah, D. Tsakmakidou, H. Vadhvana, C. Hal

“…This is exacerbated for the duct which feeds the engine core as it must accept the relatively low-quality flow produced by the fan root. This is characterised by a hub-low pressure profile and large secondary flow structures which will inevitably increase loss and the likelihood of flow separation. …”
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Numerical simulation of unconventional aero-engine exhaust systems for aircraft by Tim Coates

“…The impact of using different numerical solvers to simulate the flow through an unconventional aero-engine exhaust system has also been considered. The use of LES has shown that the octagonal, hexahedral and trapezoidal shapes initially observed in the development of the plumes of the RANS cases are likely to be an artifact caused by the RANS solver, as would the transverse total pressure gradients observed in the RANS cases at the nozzle exit as they are both absent from all of the LES results. …”
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LES informed data-driven modelling of a spatially varying turbulent diffusivity coefficient in film cooling flows by Christopher Ellis, Hao Xia, Gary Page

“…The Random Forests and Neural Network algorithms successfully reproduced the LES described coefficient and the magnitude of the turbulent heat flux vector. …”
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Delay guaranteed joint user association and channel allocation for fog radio access networks by Minglei You, Gan Zheng, Tianrui Chen, Hongjian Sun, Kwang-Cheng Chen

“…To achieve the ultra-low latency, a novel joint user association and channel allocation scheme is proposed in this paper, where the FAPs are clustered from a user-centric perspective. …”
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LES-deduced acoustic modelling for jet noise by Alex Howlett

“…Therefore a method of using statistics from LES is pursued to inform the acoustic model. Whilst it is simple to obtain most statistics from LES, the calculation of dissipation rate (ε) from LES is not straightforward. …”
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Experimental and computational study of vehicle surface contamination on a generic bluff body by Anton Kabanovs, Max Varney, Andrew Garmory, Martin Passmore, Adrian P. Gaylard

“…The CFD is also able to provide further insight by showing the behaviour of particles of different sizes. …”
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Engineering and education - a partnership? by A.V. Matthews

“…Sadly the "high flyers" are encouraged into careers from the original list and all too frequently engineering seems to end up as a consolation prize for the "also rans". …”
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Large eddy simulation of high speed convergent-divergent nozzle flows by Peng C. Wang

“…Results reveal the benefits of this method such that self-consistent, correlated turbulent structures were sustained throughout the high acceleration region associated with nozzle convergence, with the turbulence anisotropy developing in the expected manner. The LES results for velocity profile shape at nozzle exit are better than low Re RANS predictions. …”
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Effect of compressor unsteady wakes on a gas turbine combustor flow by Alessandro Soli, Richard Adoua, Ivan Langella, Paul Denman, Andrew Garmory, Gary Page

“…This paper investigates the flow in an a single sector of a fully featured isothermal rig comprising of compression and combustion systems, exploiting the synchronous coupling of a compressible unsteady RANS simulation with a low-Mach LES. Validation against five-hole probe measurements shows that the coupled approach can correctly predict distortion onset and development, with no solution discontinuity at the coupling interface, and is able to preserve unsteady information. …”
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Numerical investigation of VSVs mal-schedule effects in a three-stage axial compressor by Yanling Li, Abdulnaser Sayma

“…It is important to be able to predict the aerodynamic behaviour of compressors in such events to either produce tolerant designs or incorporate diagnosis and recovery systems. …”
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Towards best practice for predicting a lifted hydrogen diffusion flame using a flamelet generated manifold approach [GT2023-102250] by Ashley van Bruygom, Andrew Garmory, Duncan Walker

“…Both Reynold Averaged Navier Stokes (RANS) and Large Eddy Simulations (LES) are presented with focus on the effect of inlet conditions, three different flamelet generation methods and two chemical mechanisms. …”
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Large eddy simulation of premixed combustion in spark ignited engines using a dynamic flame surface density model by Chathura P. Ranasinghe, Weeratunge Malalasekera, Andrew Clarke

“…In this work, cyclic combustion simulations of a spark ignition engine were performed using the Large Eddy Simulation techniques. The KIVA-4 RANS code was modified to incorporate the LES capability. …”
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Simulation of inertial behavior of dilute particle flow in horizontal channel with Eulerian method of velocity-reassociated quadrature-based method of moments by Dan Sun, Andrew Garmory, Gary Page

“…The velocity reconstructed two-node quadrature-based method of moments (VR-QMOM) is a robust Eulerian method which is able to predict the crossing trajectory and surface bouncing phenomena for dilute particle flow. …”
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Effect of compressor unsteady wakes on a gas turbine combustor flow by Alessandro Soli, Richard Adoua, Ivan Langella, Paul Denman, Andrew Garmory, Gary Page

“…This paper investigates the flow in an a single sector of a fully featured isothermal rig comprising of compression and combustion systems, exploiting the synchronous coupling of a compressible unsteady RANS simulation with a low-Mach large eddy simulation (LES). …”
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Eulerian particle flamelet modelling of a bluff-body CH4/H2 flame by Anand Odedra, Weeratunge Malalasekera

“…In this paper an axisymmetric RANS simulation of a bluff-body stabilized flame has been attempted using steady and unsteady flamelet models. …”
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Modelling of explosion deflagrating flames using Large Eddy Simulation by Yinqing Wang

“…The impact of the number and position of the baffles with respect to ignition origin has also been studied. LES results were found to be in very good agreement with experimental measurements in all these cases.…”
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Wake dynamics of canonical symmetric bluff bodies by Simran Panesar

“…By contrast, a wall modelled LES approach showed exploration of all azimuthal positions via a low frequency shift mode and confirmed the hairpin structure found in experiment. …”
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Large eddy simulation of isothermal turbulent swirling jets by Weeratunge Malalasekera, Salah Ibrahim, K.K.J. Ranga-Dinesh, M.P. Kirkpatrick

“…In this study, a recently developed LES code has been applied to the prediction of isothermal swirling flows experimentally studied by Al- Abdeli and Masri (2003). …”
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The aerodynamic flow over a bluff body in ground proximity: CFD prediction of road vehicle aerodynamics using unstructured grids by William E. Pearson

“…Whether these predictions should be of an unsteady RANS nature, or full LES predictions would be best answered by applying these methods to the present flow problem which is fundamental to the study of automobile aerodynamics.…”
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The effect of running velocity on footstrike angle - a curve-clustering approach by Steph Forrester, J. Townend

“…A probabilistic curve-clustering method was applied to the FSA data of all participants. The curve-clustering analysis identified three distinct and approximately equally sized groups of behaviour: (1) small/negative FSA throughout; (2) large positive FSA at low velocities (≤4 m s−1) transitioning to a smaller FSA at higher velocities (≥5 m s−1); (3) large positive FSA throughout. …”
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Measurement and rapid assessment of indoor air quality at mass gathering events to assess ventilation performance and reduce aerosol transmission of SARS-CoV-2 by Liora Malki-Epshtein, Filipa Adzic, Ben M Roberts, Elizabeth Abigail Hathway, Christopher Iddon, Murat Mustafa, Malcolm Cook

“…An IAQ Index based on CO2 concentration was developed, and all monitored spaces were classified in bands from A to G based on their average and maximum CO2 concentrations from all events. …”
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Psychoanalysis by Brian Jarvis

“…This theory was first developed in the work of Sigmund Freud, a psychologist who ran a medical practice in Vienna from 1886 up until his death in 1939. …”
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Federated Sensor Network architectural design for the Internet of Things (IoT) by Ran Xu

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Human T lymphocyte migration towards the supernatants of human rhinovirus infected airway epithelial cells: influence of exercise and carbohydrate intake by Nicolette Bishop, Gary J. Walker, Michael Gleeson, Fiona A. Wallace, Colin R.A. Hewitt

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Are there interindividual responses of cardiovascular disease risk markers to acute exercise? A replicate crossover study by Tonghui Shen, Alice Thackray, James King, Tareq Alotaibi, Turki Alanazi, Scott Willis, Matthew Roberts, Lorenzo Lolli, Greg Atkinson, David Stensel

“…Results: Acute exercise reduced mean TAUC-TAG (-0.27 mmol·L-1 h; Cohen’s d = 0.29, P = 0.017) and TAUC-insulin (-24.45 pmol·L-1 h; Cohen’s d = 0.35, P = 0.022) vs. control, but led to negligible changes in TAUC-glucose and the vascular outcomes (Cohen’s d ≤ 0.41, P ≥ 0.106). …”
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APU: Design and Technology - Preliminary findings from the survey data by Richard Kimbell

“…From July 1989 we were able to start building the biggest performance data-base in Design and Technology anywhere in the world and during August we were at last able to start interrogating it. …”
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A kinematic algorithm to identify gait events during running at different speeds and with different footstrike types by Joe C. Handsaker, Steph Forrester, Jonathan Folland, Matthew Black, Sam Allen

“…Offsets in GCE and GCT estimates from all algorithms were typically negatively correlated to running speed, with offsets decreasing as speed increased. …”
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"Disabling essentialism" :accountability in family therapy :issues of disability, complaints and child abuse by Michelle O'Reilly

“…Fundamental issues of disability, accountability and therapy ran through the sessions and participants' constructions and versions of these are considered. …”
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Evaluating the performance improvement of different pneumatic hybrid boost systems and their ability to reduce turbo-lag by Ran Bao, Richard Stobart

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Detection of metabolites of trapped humans using ion mobility spectrometry coupled with gas chromatography by Wolfgang Vautz, Rafael Slodzynski, Chandrasekhara Hariharan, Luzia Seifert, Jurgen Nolte, Rita Fobbe, Stefanie Sielemann, Bolan C. Lao, Ran Huo, Paul Thomas, Lars Hildebrand

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Looks like SNARC spirit: coexistence of short- and long-term associations between letters and space by Lilly Roth, Julia F. Huber, Sophia Kronenthaler, Jean-Philippe van Dijck, Krzysztof Cipora, Martin V. Butz, Hans-Christoph Nuerk

“…To investigate how long-term memory and working memory influence spatial associations and to disentangle the role of cardinality and ordinality, we ran three preregistered online experiments (N = 515). …”
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Differential acylated ghrelin, peptide YY3-36, appetite, and food intake responses to equivalent energy deficits created by exercise and food restriction by James King, Lucy K. Wasse, Joshua Ewens, Kathrina Crystallis, Julian Emmanuel, Rachel L. Batterham, David Stensel

“…Test meals were consumed by participants at 2 and 4.75 h in all trials. The amount provided in the food deficit trial was restricted so that an energy deficit (equivalent to that imposed by exercise) was induced relative to control. …”
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Equipment management trial : TAHI summary by Victoria Haines, Mike Patterson, J. Bryce, Graham Nicholls, R. Wood, Andrew Deeming, Catherine Cooper, M. Newborough

“…The equipment on trial featured a central heating/hot water boiler, washing machine, security system, gas alarm and utility meters, all connected to a home gateway, integrated functionally and presented to the users via a single interface. …”
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Equipment management trial : final report by Victoria Haines, Mike Patterson, J. Bryce, Graham Nicholls, R. Wood, Andrew Deeming, Catherine Cooper, M. Newborough

“…The equipment on trial featured a central heating/hot water boiler, washing machine, security system, gas alarm and utility meters, all connected to a home gateway, integrated functionally and presented to the users via a single interface. …”
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Nutritional influences on endurance running performance in man by Moya P.D. Walker

“…To examine the influence of CHO ingestion dur-ing endurance exercise, trained individuals (n=15) ran two simulated races on a motorised treadmill, 7 days apart. …”
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Faecal sludge treatment by vermifiltration: proof of concept by Claire Furlong, Walter T. Gibson, R. Patankar, S. Savant, A. Oak

“…The objective of this study was to determine if composting worms and their cocoons are able to survive in and digest faecal sludge. Eighteen vermifilters with different worm and cocoon densities were set-up, fed with faecal sludge (from portable pour-flush toilets) and ran for 38 days. …”
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Understanding how a blind or partially sighted runner runs around a 400m running track to improve independent running by Victor Jeganathan

“…It was uncertain if the verbal only guidance was successful because the runner could also hear the footsteps of their guide as they ran alongside them. The third and final study gradually removed the guide’s input over a series of laps, replacing it with verbal guidance received from a researcher cycling behind them. …”
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The critical factors of the medical technology supply chains in the European healthcare sector: a pilot study by Enrique Garcia-Villarreal, Ran Bhamra, Martin Schonheit

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The feasibility of electronic journals: some studies in human–computer interaction by D.J. Pullinger

“…Two reasons for the access rate and type of use made of the system was the degree to which researchers were able to accommodate the use of a new communications system into existing patterns of work and the level of usability of the system. …”
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Personalised nitinol stent for focal plaques: design and evaluation by Ran He, Liguo Zhao, Vadim Silberschmidt, Jiling Feng, Ferdinand Serracino-Inglott

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Supplementary information for Personalised nitinol stent for focal plaques: Design and evaluation by Ran He, Liguo Zhao, Vadim Silberschmidt, Jiling Feng, Ferdinand Serracino-Inglott

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Novel displacement sensing : towards robotic tunnelling. by William L. Dudeney

“…It was noted that in the second half of the 1990's, a period during which there were long and dry summers in the UK, the water utility companies were openly criticized for their inefficiency and poor distribution-network performance as supplies ran low. It was noted that some of these companies were suffering up to 50% loss of water through leaks in the distribution network. …”
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