42 Works

Fire Image Data Set for Dunnings 2018 study - PNG still image set

Andy Dunnings
Please download this dataset from DU Box as follows: https://durhamuniversity.box.com/s/bxp9bvfcz3anb3lk2f4f3z3rtqyug5b1 Note: Login is *not* required.

Dynamic Morphologies and Stability of Droplet Interface Bilayers [dataset and software]

Benjamin Guiselin, Jack O Law, Buddhapriya Chakrabarti & Halim Kusumaatmaja
We develop a theoretical framework for understanding dynamic morphologies and stability of droplet interface bilayers (DIBs), accounting for lipid kinetics in the monolayers and bilayer, and droplet evaporation due to imbalance between osmotic and Laplace pressures. Our theory quantitatively describes distinct pathways observed in experiments when DIBs become unstable. We find that when the timescale for lipid desorption is slow compared to droplet evaporation, the lipid bilayer will grow and the droplets approach a hemispherical...

Rain Drop Image Data Set for Guo 2018 study - still image set

Tiancheng Guo
The presence of raindrop induced image distortion has a significant negative impact on the performance of a wide range of all-weather visual sensing applications including within the increasingly important contexts of visual surveillance and vehicle autonomy. A key part of this problem is robust raindrop detection such that the potential for performance degradation in effected image regions can be identified. Here we address the problem of raindrop detection in colour video imagery by considering three...

Automated translating beam profiler for in-situ laser beam spot-size and focal position measurements. [dataset]

James Keaveney
Data files supporting the paper "Automated translating beam profiler for in-situ laser beam spot-size and focal position measurements", arXiv.org/abs/1801.06508. Data used in the figures of the paper. Separate sub-folders for each figure. See the information.txt file for information specific to each figure

Electrical and mechanical diagnostic indicators of wind turbine induction generator rotor faults [dataset]

Donatella Zappalá
In MW-sized wind turbines, the most widely-used generator is the wound rotor induction machine, with a partially-rated voltage source converter connected to the rotor. This generator is a significant cause of wind turbine fault modes. In this paper, a harmonic time-stepped generator model is applied to derive wound rotor induction generator electrical & mechanical signals for fault measurement, and propose simple closed-form analytical expressions to describe them. Predictions are then validated with tests on a...

Torso rotation and hand position modulation functional MRI [dataset]

Jason Connolly
Please download this dataset from DU Box as follows: https://durhamuniversity.box.com/s/woibn9xp2q00vbn6p20h2f1eeckv72j3 Note: Login is *not* required.

Rydberg-Dressed Magneto-Optical Trap [dataset]

N. C. Jackson, A.D. Bounds, R.K. Hanley, R. Faoro, E.M. Bridge, P. Huillery & M. P. A. Jones
Data supporting the publication "Rydberg-Dressed Magneto-Optical Trap". Contains data for each of the Figures 1-5 shown in the main text.

A high-order elliptic PDE based level set reinitialisation method using a discontinuous Galerkin discretisation [figure data]

Thomas Adams, Stefano Giani & William M Coombs
Abstract from paper: In this paper, an efficient, high-order accurate, level set reinitialisation method is proposed, based on the elliptic reinitialisation method (Basting and Kuzmin, 2013), which is discretised spatially using the discontinuous Galerkin (DG) symmetric interior penalty method (SIPG). In order to achieve this a number of improvements have been made to the elliptic reinitialisation method including; reformulation of the underlying minimisation problem driving the solution; adoption of a Lagrange multiplier approach for enforcing...

Segments of straws [dataset]

Zhenning Liu
Each row of the file represents one segment. The first two columns are x-coordinates and y-coordinates of beginning points of each segment and the third, fourth columns are coordinates of endpoints. The fifth and sixth columns are m and b values of the straight line function y=mx+b of segments.

Pretrained Neural Network Models for Guo 2018 study - TensorFlow format

Tiancheng Guo
The presence of raindrop induced image distortion has a significant negative impact on the performance of a wide range of all-weather visual sensing applications including within the increasingly important contexts of visual surveillance and vehicle autonomy. A key part of this problem is robust raindrop detection such that the potential for performance degradation in effected image regions can be identified. Here we address the problem of raindrop detection in colour video imagery by considering three...

Time-Dependent Ginzburg-Landau Simulations of the Critical Current in Superconducting Films and Junctions in Magnetic Fields

Alexander I. Blair & Damian Hampshire
Understanding the magnetic field dependence of the critical current density (Jc) of superconductors is of considerable interest for optimizing their use in high field applications. Using time-dependent Ginzburg—Landau theory, we have completed simulations of the average electric field generated in thin film systems subject to transport currents in applied magnetic fields, and compared them to thin film systems containing narrow junctions of reduced critical temperature (Tc). For thin films in contact with insulating surfaces, Jc...

ElecSus: extension to arbitrary geometry magneto-optics [dataset and software]

James Keaveney, Charles Adams & Ifan Hughes
An alternative to the GitHub repositories for the ElecSus codes and test data, also available at https://github.com/jameskeaveney/ElecSus and https://github.com/jameskeaveney/ElecSusTestData

Biaxial Strain Measurements of Jc on a (RE)BCO Coated Conductor [dataset]

Jack Richard Greenwood, Elizabeth Surrey & Damian Hampshire
The attached dataset contains all data plotted in the figures published in: Greenwood, Jack R, Surrey, Elizabeth & Hampshire, Damian (2018) Biaxial Strain Measurements of JC on a (RE)BCO Coated Conductor. IEEE Transactions on Applied Superconductivity (Volume: 28, Issue: 4, June 2018) Please see the README.txt file inside the .zip file for a more detailed description of the contents. Jack Greenwood March 2018 email: jack.r.greenwood@durham.ac.uk

Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes [dataset]

Donatella Zappalá, Matteo Bezziccheri, Christopher James Crabtree & Nicola Paone
Non-intrusive, reliable and precise torque measurement is critical to dynamic performance monitoring, control and condition monitoring of rotating mechanical systems. This paper presents a novel, contactless torque measurement system consisting of two shaft-mounted zebra tapes and two optical sensors mounted on stationary rigid supports. Unlike conventional torque measurement methods, the proposed system does not require costly embedded sensors or shaft-mounted electronics. Moreover, its non-intrusive nature, adaptable design, simple installation and low cost make it suitable...

Overcoming volumetric locking in material point methods (figure data)

William Coombs, Tim Charlton, Michael Cortis & Charles Augarde
Material point methods suffer from volumetric locking when modelling near incompressible materials due to the combination of a low-order computational mesh and large numbers of material points per element. Large numbers of material points per element are required to reduce integration errors due to non-optimum placement of integration points. This restricts the ability of current material point methods in modelling realistic material behaviour. This paper presents for the first time a method to overcome finite...

Mechanical properties of biopolymer-stabilised soil-based construction materials [dataset]

Sravan Muguda Viswanath, Samuel Booth, Paul Hughes, Charles Augarde, Celine Perlot, Agostino Walter Bruno & Domenico Gallipoli

Durham RCUK [Green] Open Access Data Year 5 (Apr2017-Mar2018)

James Bisset & Sarah Hyland
Also includes a list of 45 outputs reported as non-complliant as at 31st May 2018.

Absolute fluorescence and absorption measurements over a dynamic range of 1E6 with cavity-enhanced laser-induced fluorescence [dataset]

Scott E. Sanders, Oliver R. Willis, N. Hendrik Nahler & Eckart Wrede
The meta data is listed in the file Metadata.pdf included in the ZIP file.

Durham RCUK Open Access Data Year 5 (Apr2017-Mar2018)

James Bisset & Sarah Hyland
Data on compliance of Durham publications with RCUK Open Access policy, including APC spend from the RCUK block grant. Year 5: April 1st 2017 to March 31st 2018

Computer-aided patterning design for self-assembled microsphere lithography

Rhiannon Lees
In this paper, we use a finite difference time domain solver to simulate the near field optical properties of self-assembled microsphere arrays when exposed to an incoherent light source. Such arrays are typically used for microsphere lithography where each sphere acts as a ball lens, focusing ultraviolet light into an underlying photoresist layer. It is well known that arrays of circular features can be patterned using this technique. However, here, our simulations show that additional...

Extending Deep Neural Network Trail Navigation for Unmanned Aerial Vehicle Operation within the Forest Canopy - Evaluation [dataset]

Bruna G. Maciel-Pearson & Toby P. Breckon
Autonomous flight within a forest canopy represents a key challenge for generalised scene understanding on-board a future Unmanned Aerial Vehicle (UAV) platforms. Here we present an approach for automatic trail navigation within such an unstructured environment that successfully generalises across differing image resolutions - allowing UAV with a varying sensor payload capabilities to operate equally in such challenging environmental conditions. Specifically, this work presents an optimised deep neural network architecture, capable of state-of-the-art performance across...

Directory of UK Based Test and Demonstration Facilities for Wind Technologies [database]

Donatella Zappalá
This report gives an insight into the UK testing and demonstration facilities landscape for the wind energy sector used by the scientific and industrial communities. It provides an exten sive directory of the facilities of use to the UK and European wind research and development community, ident ifying where cutting-edge facilities exist within the UK for validation testing of new developments across th e full range of Technology Readiness Levels. By providing a comprehensive understanding...

Nucleation of a sphere: the roles of curvature, confinement and ensemble [software]

Jack O. Law, Alex G. Wong, Halim Kusumaatmaja & Mark A. Miller
Demonstrate and explain how the gas-to-liquid phase transition of colloidal systems confined to a spherical surface depends on the curvature and size of the surface, and on the choice of thermodynamic ensemble. We find that the geometry of the surface affects the shape of the free energy profile and the size of the critical nucleus by altering the perimeter-area ratio of isotropic clusters. Confinement to a smaller spherical surface results in both a lower nucleation...

Neural network checkpoints

Amir Atapour-Abarghouei & Toby P. Breckon
Neural network checkpoints associated with the work entitled: Real-time monocular depth estimation using synthetic data with domain adaptation via image style transfer / written by A. Atapour-Abarghouei and T.P. Breckon. -- In: IEEE Computer Society Conference on Computer Vision and Pattern Recognition (2018 : Salt Lake City, Utah).

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