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Forecasting the severity of the Newfoundland iceberg season using a control systems model

Bigg, Grant R.; Zhao, Yifan; Hanna, Edward (Taylor and Francis, 2019-06-20)

The iceberg hazard for the Grand Banks area to the east of Newfoundland varies dramatically from one year to the next. In some years no icebergs penetrate south of 48°N, while in others well over 1000 icebergs enter the ...
CFD simulation of dense gas dispersion in neutral atmospheric boundary layer with OpenFOAM

Tran, Vu; Ng, E. Y. K; Skote, Martin (Springer, 2019-08-02)

In this study, Monin–Obukhov similarity theory is used to specify the profiles of velocity, turbulent kinetic energy (k), and eddy dissipation rate (ϵ ϵ ) in atmospheric boundary layer (ABL) flow. The OpenFOAM standard ...
Implications of substrate geometry and coating thickness on the cracking resistance of polymer-based protective coatings

Wray, Lesley-Anne; Ayre, David; Irving, Phil E.; Jackson, Paul A.; Jones, P. R.; Zhao, F. (Elsevier, 2018-12-31)

Welded steel T-sections of different weld fillet geometries coated with water ballast tank protective coatings were subjected to thermal cycling with a temperature range from 60°C to -10°C. Cracks developed in the coatings ...
Fatigue life prediction of z-fibre pinned composite laminate under mode I loading

Tang, Suchao; Lemanski, Stuart; Zhang, Xiang; Ayre, David (Elsevier, 2019-02-13)

A hybrid method is presented combining linear elastic fracture mechanics with nonlinear damage mechanics that can predict the fatigue crack growth rate in z-fibre pinned composites under mode I loading. The strain energy ...
Numerical investigation of the effect of rolling on the localized stress and strain induction for wire + arc additive manufactured structures

Abbaszadeh, M.; Hönnige, J. R.; Filomeno, Martina; Kashaev, N.; Colegrove, Paul A.; Williams, Stewart W.; Klusemann, B. (Springer Verlag, 2019-08-16)

Cold rolling can be used in-process or post-process to improve microstructure, mechanical properties and residual stress in directed-energy-deposition techniques, such as the high deposition rate wire + arc additive ...
A smart algorithm for multi-criteria optimization of model sequencing problem in assembly lines

Rauf, Mudassar; Guan, Zailin; Sarfraz, Shoaib; Mumtaz, Jabir; Shehab, Essam; Jahanzaib, Mirza; Hanif, Muhammad (Elsevier, 2019-07-31)

Assembly Lines (ALs) are used for mass production as they offer lots of advantages over other production systems in terms of lead time and cost. The advent of mass customization has forced the manufacturing industries to ...
Notch effect on strength and fatigue life of woven composite laminates

Wan, Ao-Shuang; Xu, Yi-geng; Xiong, Jun-Jiang (Elsevier, 2019-06-15)

This paper presents an experimental and numerical study of the notch effect on strength and fatigue life of double edge notched (DEN) composite laminates made of woven glass fibre lamina 3238A/EW250F and woven carbon fibre ...
A straightforward route to sensor selection for IoT systems

Jones, Paul M.; Lonne, Quentin; Talaia, Pedro; Leighton, Glenn J. T.; Botte, Gerardine G.; Mutnuri, Srikanth; Williams, Leon (Taylor and Francis, 2018-09-12)

The Internet of Things (IoT) allows for remote management and monitoring of many aspects of everyday life at the individual and industrial levels. However, designing these systems within constraints of cost and operational ...
Comparison of the microstructure of machined and laser sintered shaped charge liner in the hydrodynamic regime

Agu, Henry; Hameed, Amer; Appleby-Thomas, Gareth (Springer, 2019-07-30)

To gain further insight into the mechanisms underlying jet formation and elongation of laser sintered shaped charge liners under high strain rate deformation, Cu–Cr–Zr alloy liners fabricated by selective laser sintering ...
ENERWATER – A standard method for assessing and improving the energy efficiency of wastewater treatment plants

Longo, Stefano; Mauricio-Iglesias, Miguel; Soares, Ana; Campo, P.; Fatone, Francesco; Eusebi, Anna L.; Akkersdijk, E; Stefani, L.; Hospido, Almudena (Elsevier, 2019-03-21)

This paper describes the first methodology specifically tailored to estimate energy efficiency at wastewater treatment plants (WWTPs). Inspired by the cycle of continuous improvement, the method (i) precisely defines the ...
Performance simulation to understand the effects of multi-fluid scaling of gas turbine components for Generation IV nuclear power plants

Osigwe, Emmanuel; Gad-Briggs, Arnold; Nikolaidis, Theoklis; Pilidis, Pericles; Sampath, Suresh (ASME, 2019-08-05)

A significant hurdle in the development of performance simulation tools to analyse and evaluate nuclear power plants (NPP) is finding data relating to component performance maps. As a result, Engineers often rely on an ...
Numerical simulation of a Deep Borehole Heat Exchanger in the Krafla geothermal system

Renaud, Théo; Verdin, Patrick; Falcone, Gioia (Elsevier, 2019-08-09)

The geothermal energy sector is facing numerous challenges related to heat recovery efficiency and economic feasibility. Research on superheated/supercritical geothermal systems is progressing in Europe, triggered by the ...
Extending the decision-making capabilities in remanufacturing service contracts by using symbiotic simulation

Silva Teixeira, Evandro Leonardo; Tjahjono, Benny; Absi Alfaro, Sadek Crisóstomo; Wilding, Richard (Elsevier, 2019-07-04)

Remanufacturing is a critical enabler of a resource efficient manufacturing industry that has long been associated with high value products. Over time, the commercial relationship between customers and service providers ...
Carbon quantum dot supported semiconductor photocatalysts for efficient degradation of organic pollutants in water: A review

Sharma, Sheetal; Dutta, Vishal; Singh, Pardeep; Raizada, Pankaj; Rahmani-Sani, Abolfazl; Hosseini-Bandegharaei, Ahmad; Thakur, Vijay Kumar (Elsevier, 2019-04-25)

Semiconductor photocatalyst mediated advanced oxidation processes are regarded as one of the most efficient technologies to mitigate organic pollutants in water. However, poor activity under visible light and the recombination ...
The effect of operational policies on production systems robustness: an aerospace case study

Pagone, Emanuele; Efthymiou, Konstantinos; Mahoney, Brandon; Salonitis, Konstantinos (Elsevier, 2019-06-24)

This study aims to evaluate the robustness of a low volume mixed model production line under different operating conditions. A real production line that builds six different aircraft heat exchangers is modelled, simulated ...
Quantifying the vertical transport of CHBr3 and CH2Br2 over the Western Pacific

Butler, Robyn; Palmer, Paul I.; Feng, Liang; Andrews, Stephen J.; Atlas, Elliot L.; Carpenter, Lucy J.; Donets, Valeria; Harris, Neil R. P.; Montzka, Stephen A.; Pan, Laura L.; Salawitch, Ross J.; Schauffler, Sue M. (Elsevier, 2018-09-12)

We use the GEOS-Chem global 3-D atmospheric chemistry transport model to interpret atmospheric observations of bromoform (CHBr3) and dibromomethane (CH2Br2) collected during the CAST and CONTRAST aircraft measurement ...
Assessing the environmental sustainability of irrigation with oil and gas produced water in drylands

Echchelh, Alban; Hess, Tim; Sakrabani, Ruben; de Paz, José Miguel; Visconti, Fernando (Elsevier, 2019-07-06)

Produced water (PW) is the largest by-product of the oil and gas industry. Its management is both economically and environmentally costly. PW reuse for irrigation offers an alternative to current disposal practices while ...
Development of a lean principles framework for ERP implementation process

Alturkistani, Adnan Qurban A. (2018)

The aim of this research is to develop a novel framework based on lean principles and tools to be exploited in managing ERP implementation processes in order to enhance the overall success rate of the implementation ...
Numerical characterisation of quasi-orthogonal piecewise linear frequency modulated waveforms

Kocjancic, Leon; Balleri, Alessio; Merlet, Thomas (IEEE, 2019-07-01)

This paper presents an analysis of the Doppler tolerance and isolation properties of five different sets of piecewise linear frequency modulated (PLFM) waveform triplets consisting of a combination of LFM subchirps. Different ...
Concurrent real-time estimation of state of health and maximum available power in lithium-sulfur batteries

Knap, Vaclav; Auger, Daniel J.; Propp, Karsten; Fotouhi, Abbas; Stroe, Daniel-Ioan (MDPI, 2018-08-16)

Lithium-sulfur (Li-S) batteries are an emerging energy storage technology with higher performance than lithium-ion batteries in terms of specific capacity and energy density. However, several scientific and technological ...

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