Advances in wireless technologies and small computing devices, sensor networks can be superior technology many applications. Energy supply constraints are one of the most critical measures because they limit operation network; therefore, optimal use node energy has always been biggest challenges networks. Moreover, due to limited lifespan nodes WSN management, increasing network life is WSN. In this investigation, two computational distributions presented for a dynamic fog-based system, load...

Triboelectric nanogenerators have received significant research attention in recent years. Structural design plays a critical role improving the energy harvesting performance of triboelectric nanogenerators. Here, we develop magnetic capsulate (MC-TENG) for under undesirable mechanical excitations. The TENG are designed to be driven by an oscillation-triggered force holding frame generate electrical power due principle freestanding triboelectrification. Experimental and numerical studies...

Triboelectric nanogenerators (TENG), which convert mechanical energy (such as ocean waves) from the surrounding environment into electrical energy, have been identified a green alternative for addressing environmental issues resulting use of traditional resources. In this experimental design, we propose rolling spherical triboelectric (RS-TENG) collecting low-frequency wave action. Copper and aluminum were used to create frame functions electrode. addition, different sizes dielectric (SD1,...

In this paper, a new structural damage detection approach is proposed, based on monitoring of the magnetic field intensity variations using smartphones. Experimental and numerical studies are conducted steel plates to verify efficiency proposed approach. Various scenarios introduced plates. Then, smartphone magnetometer sensor deployed measure changes flux due progression. The experimental results agree well with each other. Based results, increases as progresses. Furthermore, accuracy...

This study reports the vibrational turbine piezoelectric nanogenerators (VT-PENG) that use magnetic coupling to trigger a set of silicon rubber strips embedded with films for energy harvesting in amphibious environments. The piezo-rubber are deflected by tip-driven magnets strip-anchor systems, such VT-PENG can be efficiently triggered generate electrical from mechanical vibration. prototypes fabricated, and experiments conducted investigate performance (i.e., voltage power) single multiple...

3D concrete printing has gained tremendous popularity as a promising technique with the potential to remarkably push boundaries of conventional technology. Enormous research efforts have been directed towards improving material properties and structural safety printed (3DPC) over last decade. In contrast, little attention accorded its sustainability performance in built environment. This study compares energy efficiency, operational carbon emission, thermal comfort air cavity 3DPC building...

Triboelectric nanogenerators (TENGs) have emerged as transformative technologies in biosensing, offering unprecedented energy efficiency and precision monitoring vital physiological signals. This review delves into the cutting‐edge advancements TENG sensors, highlighting their exceptional potential bioengineering applications. Key operating mechanisms advanced materials are explored, with a focus on impact sensor sensitivity, durability, biocompatibility. Cardiovascular is presented pivotal...

With the increasing improvement of wearable gadgets, nanogenerators have received significant attention in recent years. Herein, a hybrid piezoelectric and triboelectric (PTNG) for generating energy monitoring is developed. The PTNG uses magnetic force to implement opposing sliding mode between Kapton copper/aluminum layers part polyvinylidene fluoride strips. with copper set up 2 (capsule electrode layer) found maximum voltage open circuit peak power approximately 12 μW part. 70 μW. In this...

Triboelectric nanogenerators (TENG) have been reported with the advantages of high adaptability and easy integration in recent years, which, however, facing challenge effective stimuli different applications. In this study, we develop magnetic lifting triboelectric (ml-TENG) for energy harvesting active sensing under cyclic loading, such as traffic. The ml-TENG take advantage force to provide repulsive trigger relative displacement between electrode dielectric layers sliding mode....

Aptly enabled by recent developments in additive manufacturing technology, the concept of functionally grading some cementitious composites to improve structural compression forms is warranted. In this work, existing concrete models available Abaqus Finite Element (FE) packages are utilized simulate performance numerically and apply them functional using multi-layer approach. If yielding good agreement with experimental results, two-layer three-layer case combinations developed study role...

Snow failure is the process by which stability of snow or snow-covered slopes destroyed, resulting in collapse release snow. Heavy snowfall, low temperatures, and volatile weather typically cause consequences Antarctica, can occur at different scales, from small, localized collapses to massive avalanches, result significant risk human activities infrastructures. Understanding damage critical assessing potential hazards associated with terrain implementing effective mitigation strategies....