Results 31 to 40 of about 2,258 (185)

Carbon emission assessment of tunnel infrastructures: From construction to operation

Deep Underground Science and Engineering, EarlyView.
This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long, Wout Broere, Xuehui Zhang, Tian Xia, Richard de Nijs   +4 more
wiley   +1 more source

Single Image Defogging Method Based on Image Patch Decomposition and Multi-Exposure Image Fusion

Frontiers in Neurorobotics, 2021
Bad weather conditions (such as fog, haze) seriously affect the visual quality of images. According to the scene depth information, physical model-based methods are used to improve image visibility for further image restoration.
Qiuzhuo Liu, Qiuzhuo Liu, Qiuzhuo Liu, Yaqin Luo, Ke Li, Ke Li, Wenfeng Li, Wenfeng Li, Yi Chai, Hao Ding, Hao Ding, Xinghong Jiang, Xinghong Jiang   +12 more
doaj   +1 more source

Evaluation Techniques for Traffic Safety of Operating Highway Tunnels [PDF]

E3S Web of Conferences, 2020
With the consideration of frequent occurrence of traffic accidents on operating highway tunnels, the advancement of safety evaluation for highway tunnels in domestic and abroad are systematically summarized.
WU Hongbo
doaj   +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, Ruimin Cai, Abbas Ali, Lizhe Li, Li Yang, Hulin Zhang, Xuge Fan, Yumin Xia, Wenyong Lai, Linmao Qian, Tiehu Li, Guosheng Shao, Liang Tian   +12 more
wiley   +1 more source

Research on Deformation Prediction of Small Interval Tunnel Based on Machine Learning and Numerical Simulation

Energy Science &Engineering, EarlyView.
This study leverages machine learning algorithms—specifically artificial neural networks (ANN) and genetic programming (GP)—to forecast and analyze variations in vault settlement measurements during excavation of small interval tunnel. A settlement prediction model was developed and validated through comparative analysis with regression to evaluate the
Wenjie Zhai, Jia Xue, Yongjie Fu, Beichen Yu, Yan Zhu, Man Yuan, Mingbo Chi, Zhentao Li   +7 more
wiley   +1 more source

Comprehensive analysis of renewable hybrid energy systems in highway tunnels

Frontiers in Energy Research
In order to explore the feasibility of a renewable hybrid energy system in highway tunnels, a scenario-coupled construction method for a highway tunnel renewable hybrid energy system is proposed.
Zhen Liao, Yufei Zhang, Xin Zhao, Yubiao Zhang, Manhu Liu, Jinlong Hong, Hao Cao   +6 more
doaj   +1 more source

Numerical Simulation of Mechanical Properties of Series System with Bearing and Pier Under Lateral Load

The Baltic Journal of Road and Bridge Engineering, 2021
The local series system with typical common plate rubber support/pier in highway reinforced concrete girder bridge is the object of the current research.
Zhenhua Dong, Jinquan Zhang, Shoushan Cheng, Pengfei Li   +3 more
doaj   +1 more source

Effect of Tunnel Ventilation on Hydrogen Dispersion From Leaks in Hydrogen Fuel Cell Trucks

Energy Science &Engineering, EarlyView.
This study investigates hydrogen leakage scenarios involving hydrogen fuel cell trucks within tunnels. Using computational fluid dynamics methods, it explores the distribution characteristics of hydrogen concentrations and the efficiency of ventilation under different forced ventilation conditions. ABSTRACT The widespread adoption of hydrogen fuel cell
Limin Geng, Shiyu Shan, Zongxue Yan, Nan Gao, Dong Huang, Zhao Gao, Xinxin Cao   +6 more
wiley   +1 more source

The research for designing the LED tunnel light for highway tunnels

Heliyon
Due to the internal environment of highway tunnels, tunnel lighting has scattering, deflection, illuminance, and uniformity problems. Each factor will have a direct impact on drivers. Due to the low illuminance and brightness, the lighting efficiency can be improved by shortening the diodes' distance.
Chi-Chang Hsieh, Chi-Lung Tsai, Tse-Chang Li   +2 more
openaire   +3 more sources

A Review on Carbon‐Based and Metal‐Based Anode Materials of Microbial Fuel Cells

Energy Science &Engineering, EarlyView.
Reviews a wide range of anode materials used in microbial fuel cells (MFCs) and evaluates their performance and suitability for scalable energy recovery from wastewater. Defines the essential characteristics of an ideal anode, including high surface area, excellent electrical conductivity, strong biocompatibility, and cost‐effectiveness, while ...
Md. Hamidur Rahman, A. N. M. Mominul Islam Mukut   +1 more
wiley   +1 more source