Results 71 to 80 of about 48,317 (249)
Deep Underground Science and Engineering, EarlyView.This paper explores how climate‐resilient technologies, such as smart grids, digital twins, and self‐healing materials, can enhance urban resilience. It highlights the urgent need for proactive planning, public‐private collaboration, and data‐driven innovation to future‐proof underground infrastructure amid accelerating climate and urban pressures ...
Kai Chen Goh +12 more
wiley +1 more source
Performance of a Haynes 188 metallic standoff thermal protection system at Mach 7 [PDF]
A flight weight, metallic thermal protection system (TPS) model applicable to reentry and hypersonic vehicles was subjected to multiple cycles of both radiant and aerothermal heating to evaluate its aerothermal performance and structural integrity.
Avery, D. E.
core +1 more source
Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
An Experimental Investigation of Helicopter Rotor Hub Fairing Drag Characteristics [PDF]
A study was done in the NASA 14- by 22-Foot Wind Tunnel at Langley Research Center on the parasite drag of different helicopter rotor hub fairings and pylons. Parametric studies of hub-fairing camber and diameter were conducted. The effect of hub fairing/
Lance, M. B. +3 more
core +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Aqueous zinc–iodine batteries (Zn–I2Bs) offer promise for grid storage due to safety and cost advantages yet face critical bottlenecks: severe self‐discharge (polyiodide shuttling and HER), limited energy density, sluggish kinetics, and zinc anode instability.
Jia‐Lin Yang +3 more
wiley +1 more source
Multi‐Dimensional Conductive Nanocomposites for Flexible Electronics
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Multi‐dimensional conductive nanocomposites integrate 0D, 1D, and 2D nanomaterials through spatial structure regulation and interface engineering, achieving “1 + 1 > 2” synergistic effects. By leveraging 0D filling to reduce contact resistance, 1D bridging to construct continuous conductive paths, and 2D supporting to enhance mechanical stability ...
Tianyu Wang +12 more
wiley +1 more source
Stress Monitoring of Segment Structure during the Construction of the Small-Diameter Shield Tunnel. [PDF]
Sensors (Basel), 2023 Ding L, Sun YJ, Zhang WZ, Bi G, Xu HZ.
europepmc +1 more source
Free-flight telemetry testing in the jet propulsion laboratory wind tunnels [PDF]
Free flight telemetry testing in hypersonic wind tunnel for obtaining interference-free base pressure ...
Welton, J. T.
core +1 more source
Fish Scales: A Multifunctional Biomaterial from Nature
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley +1 more source
Study on the effect of excavation sequence of three-hole shield tunnel on surface settlement and segment deformation. [PDF]
Sci Rep, 2023 Wang Y, Dai F, Ding B, Zhong M, Zhang H.
europepmc +1 more source