All Outputs (651)

Thermo-mechanical and moisture absorption properties of fly ash-based lightweight geopolymer concrete reinforced by polypropylene fibers (2020)
Journal Article

An experimental investigation on the thermo-mechanical and moisture absorption properties of lightweight geopolymer concrete prepared with fly ash, NaOH, sodium silicate and Polypropylene Fibers (PF) is presented in this study. The effects of dry den... Read More about Thermo-mechanical and moisture absorption properties of fly ash-based lightweight geopolymer concrete reinforced by polypropylene fibers.

Cascaded machine learning model for reconstruction of surface topography from light scattering (2020)
Journal Article

Light scattering methods are promising for in-process surface measurement. Many researchers have investigated light scattering methods for evaluating surface texture. Researchers working on scatterometry have developed methods to derive surface textu... Read More about Cascaded machine learning model for reconstruction of surface topography from light scattering.

A framework for assessing the value of information for health monitoring of scoured bridges (2020)
Journal Article

© 2020, Springer-Verlag GmbH Germany, part of Springer Nature. It is generally accepted that climate change is leading to increased frequency of extreme weather events worldwide, and this is placing heavier demands on an already aging infrastructure-... Read More about A framework for assessing the value of information for health monitoring of scoured bridges.

A Fault Location Scheme for Active Untransposed Distribution Systems Using a Limited Number of Synchronized Measurements (2020)
Journal Article

This paper presents a fault location scheme for unbalanced and untransposed distribution systems which contain different types of distributed generation (DG). A general formula has been derived for any fault type using a limited number of synchronize... Read More about A Fault Location Scheme for Active Untransposed Distribution Systems Using a Limited Number of Synchronized Measurements.

A fast Bayesian inference scheme for identification of local structural properties of layered composites based on wave and finite element-assisted metamodeling strategy and ultrasound measurements (2020)
Journal Article

© 2020 Elsevier Ltd Reliable verification and evaluation of the mechanical properties of a layered composite ensemble are critical for industrially relevant applications, however it still remains an open engineering challenge. In this study, a fast B... Read More about A fast Bayesian inference scheme for identification of local structural properties of layered composites based on wave and finite element-assisted metamodeling strategy and ultrasound measurements.

AEB Online Calculator for Assessing Technology Maturity: IMATEC (2020)
Journal Article

This paper exposes initially the motivations for developing a TRL online calculator by AEB (Brazilian Space Agency; in Portuguese, Agência Espacial Brasileira). Such motivations demand the tool to be a way not only to assess the TRL condition of oper... Read More about AEB Online Calculator for Assessing Technology Maturity: IMATEC.

Bond behaviour of FRP strengthening applied on curved masonry substrates: numerical study (2020)
Journal Article

Aim of the present paper is to numerically investigate the bond behaviour of FRP strengthening systems externally applied on curved masonry specimens. In particular, considering the simple spring-model approach proposed by the authors in previous res... Read More about Bond behaviour of FRP strengthening applied on curved masonry substrates: numerical study.

Electro-thermal and mechanical performance of multi-wall carbon nanotubes buckypapers embedded in fibre reinforced polymer composites for ice protection applications (2020)
Journal Article

Several ice protection strategies have been developed to overcome the icing hazards in the aerospace industry. The electro-thermal method is one of the popular approaches to prevent ice accretion and accumulation on aircraft surfaces. Given the incre... Read More about Electro-thermal and mechanical performance of multi-wall carbon nanotubes buckypapers embedded in fibre reinforced polymer composites for ice protection applications.

Freshwater microplastic concentrations vary through both space and time (2020)
Journal Article

Plastic pollution represents one of the most salient indicators of society’s impact on the environment. The microplastic component of this is ubiquitous, however, microplastic studies are seldom representative of the locations they sample. Over 12 mo... Read More about Freshwater microplastic concentrations vary through both space and time.

Optical topography measurement of steeply-sloped surfaces beyond the specular numerical aperture limit (2020)
Journal Article

Engineered functional surfaces often feature varying slopes on macro- and micro-scales. When surfaces are mirror-like, the highest surface slope that can be measured by a far-field 3D imaging optical surface measuring instrument is the arcsine of the... Read More about Optical topography measurement of steeply-sloped surfaces beyond the specular numerical aperture limit.

Influence of carbon source complexity on porosity, water retention and extracellular matrix composition of Neurospora discreta biofilms (2020)
Journal Article

Aims To evaluate carbon source complexity as a process lever to impact the microstructure, chemical composition and water retention capacity of biofilms produced by Neurospora discreta. Methods and Results Biofilms were produced by nonpathogenic... Read More about Influence of carbon source complexity on porosity, water retention and extracellular matrix composition of Neurospora discreta biofilms.

Experimental study of radial lip seals with different sleeve coatings (2020)
Journal Article

Radial Lip Seals with pre-loaded garter springs of 8.5oz, 12.5oz and 14oz are tested with 4 different sleeves to investigate various seal-sleeve combinations. To find optimum sleeve coating and seal combinations, leakage and performance is investigat... Read More about Experimental study of radial lip seals with different sleeve coatings.

Obituary: Mamoru Kawaguchi (1932–2019) (2020)
Journal Article

Metrological characteristics for the calibration of surface topography measuring instruments: a review (2020)
Journal Article

In this paper, we will review the development and use of an ISO standardised framework to allow calibration of surface topography measuring instruments. We will draw on previous work to present the state of the art in the field in terms of employed m... Read More about Metrological characteristics for the calibration of surface topography measuring instruments: a review.

Error Analysis of Programmable Metasurfaces for Beam Steering (2020)
Journal Article

Recent years have seen the emergence of programmable metasurfaces, where the user can modify the electromagnetic (EM) response of the device via software. Adding reconfigurability to the already powerful EM capabilities of metasurfaces opens the door... Read More about Error Analysis of Programmable Metasurfaces for Beam Steering.

A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter (2020)
Conference Proceeding

This paper proposes a cascade proportional-integral continuous second-order sliding mode control method for brushless doubly-fed induction machine. This method consists of the speed out-loop proportional-integral controller and the current inner-loop... Read More about A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter.

The layered absences of the Heygate Estate, South London (1974-2014) (2020)
Journal Article

Real-Time Humidity Measurement during Sports Activity using Optical Fibre Sensing (2020)
Journal Article

An optical fibre sensor for monitoring relative humidity (RH) changes during exercise is demonstrated. The humidity sensor comprises a tip coating of poly (allylamine hydrochloride) (PAH)/silica nanoparticles (SiO2 NPs) deposited using the layer-by-l... Read More about Real-Time Humidity Measurement during Sports Activity using Optical Fibre Sensing.

Potential difference methods for measuring crack growth: A review (2020)
Journal Article

© 2020 Elsevier Ltd Non-destructive testing techniques are widely applied in industry for the evaluation of quantities of interest without inflicting additional damage accumulation. Crack detection and monitoring is a prime example of where non-destr... Read More about Potential difference methods for measuring crack growth: A review.

Multi-defect modelling of bridge deterioration using truncated inspection records (2020)
Journal Article

Bridge Management Systems (BMS) are decision support tools that have gained widespread use across the transportation infrastructure management industry. The Whole Life Cycle Cost (WLCC) modelling in a BMS is typically composed of two main components:... Read More about Multi-defect modelling of bridge deterioration using truncated inspection records.