This paper proposes a color picture encryption algorithm with pixel restructuring and quick diffusion to coexist the security and operational efficiency of the image encryption system. The algorithm employs a four-dimensional hyperchaotic system to decompose the pixels of a color image's three...

The deployment of renewable energy technologies in the home, such as heat pump systems, is increasingly encouraged in many countries to curb climate change and dependence on fossil fuels. However, the adoption process is not well-understood. In this paper, we develop an agent-based model to...

Exploring how finance can better support Grassroots Innovations (GIs), community-led solutions for net-zero transitions, we examine finance’s role in the case of UK community energy (CE) across three ‘diffusion pathways’: niche replication (growth in the numbers of projects), individual...

Clean energy communities (CEC) represent emerging socio-technical systems that offer a suitable alternative to non-sustainable energy production and consumption. Thus, CECs cultivate new knowledge of clean energy use and diffuse it among their members as well as interested publics outside the...

MEMS inertial sensors are oscillatory electro-mechanical devices that detect relative motion in an inertial frame. Frictional losses in these systems, expressed as a quality factor Q , directly have bearing on their absolute measurement accuracy, and hence on the duration of an acceptably...

We analyze the influence of the generalizations of hyperbolic (Cattaneo) heat equations (GCE) on temperature profile and photoacoustic signal for the two-layer samples. GCE extensions employ fractional-order derivatives related to the anomalous thermal diffusion in solid. We compare the...

Low-salinity water flooding is a promising technique for enhanced oil recovery in sandstone and carbonate reservoirs. Numerous mechanisms have been proposed to untangle the effect of a low concentration of dissolved salts in the flooding medium. However, the process of water transport through...

The present study is focused on the capabilities and limitations of Lee-Liu’s diffuse interface lattice Boltzmann model, which is applicable to immiscible two-phase flow displacement processes with high-density ratios in porous media. Benchmark problems such as phase separation, the...

Ionic diffusion coefficients in the membrane are needed for the modelling of ion transport in ion-exchange membranes with the Nernst-Planck equation. We give estimates of the ionic diffusion coefficients of Na+, OH−, H+, Cl−, SO42− and HSO4− from the diffusion experiments of dilute NaCl,...

High-entropy materials are promising candidate materials for nuclear facilities due to their irradiation resistance and mechanical properties. These properties can be further enhanced in multilayer structures. However, there is still a need to understand the irradiation behavior of multilayer...