Results 61 to 70 of about 196,341 (267)

Land Use Transformation and Climate Resilience in Smart Cities: Role of ICT in Modern Urban Planning

Land Degradation &Development, EarlyView.
ABSTRACT Modern urban planning is experiencing a transition from traditional planning to the integration of information technology, which defines the concept of a “smart city”. The study analyses the evolution of urban planning practices with an emphasis on the role of engineering and architecture in the process of urbanization, the transition to the ...
Dariusz Cichoń
wiley   +1 more source

Rate-temperature coupled deformation mechanism and constitutive parameters of catenary copper-magnesium alloy materials for high-speed railway

Baozha yu Chongji
With the increasing speed of trains, the impacts of mechanical shock, arc heat, and Joule heat on the high-speed railway catenary system have become increasingly significant.
Hongli WANG, Zelin ZENG, Xingya SU, Jing LING, Guiming MEI, Yanxiang LIANG, Lin JING   +6 more
doaj   +1 more source

Sound absorption performance of a conch-imitating cavity structure

Science Progress, 2022
At present, in order to solve noise pollution, many experts are studying methods to improve the noise reduction performance of sound barriers and acoustic devices.
Suchao Xie, Shichen Yang, Hongyu Yan, Zhen Li   +3 more
doaj   +1 more source

The U.S. Transportation Sector in the Year 2030: Results of a Two-Part Delphi Survey [PDF]

, 2011
A two-part Delphi Survey was given to transportation experts attending the Asilomar Conference on Transportation and Energy in 2011. The survey asked respondents about trends in the US transportation sector in 2030, including alternative vehicles, high ...
Morrison, Geoffrey, Stephens, Thomas S.
core  

Life Cycle Assessment of Closed‐Loop Opaque Recycled Polyethylene Terephthalate (rPET) Bottles for UHT Milk

Packaging Technology and Science, EarlyView.
The study quantifies environmental impacts of 1 L of ultra‐high‐temperature milk bottles, comparing a 50% recycled opaque PET (rPET) bottle with 100% virgin PET bottles under closed‐loop and non‐closed‐loop recycling scenarios. Results show that 50% opaque rPET bottles outperform 100% virgin PET bottles across all impact categories, enabled by an ...
Alessandra Garzoni, Roberta Stefanini, Giuseppe Vignali   +2 more
wiley   +1 more source

Research on shear fracture behavior of bolt and design method for retractable coupler

Scientific Reports
To ensure the coupler’s adequate retraction in rail vehicle collisions, this study systematically investigates the shear fracture behavior of bolts, focusing on the effects of geometric parameters and loading dynamics.
Haoxu Ding, Tao Zhu, Long Yang, Xiaorui Wang, Bing Yang, Shoune Xiao, Yi Yang, Yanwen Liu   +7 more
doaj   +1 more source

Thermo-mechanical Coupling of Pantograph-Catenary System under Different Ambient Temperatures

Chengshi guidao jiaotong yanjiu
[Objective] Under extreme ambient temperatures, issues such as excessive temperature rise and intensified contact force fluctuation readily occur in the PC (pantograph-catenary) contact zone.
JIANG Hangyan, ZHOU Ning, GAO Haixiang, LI Mudi, LUO Jianwei, ZHANG Weihua   +5 more
doaj   +1 more source

Reducing the Diameter of Freight Vehicle Wheels – The Suitability of Q/D as a Control for Wheel-Rail Contact Stress [PDF]

, 2013
High wheel-rail contact stress is related to rail damage mechanisms such as gross plastic flow. Such high contact stresses are often generated by freight vehicles which have comparatively high axleloads.
Eickhoff, Bridget, Osman, Martin, Shackleton, Philip, Stow, Julian   +3 more
core  

The Relation Between Ergonomics and Environmental Sustainability: A Bibliometric Analysis and Scoping Review

Sustainable Development, EarlyView.
ABSTRACT This study investigates the relationship between ergonomics and environmental sustainability through a combined bibliometric analysis and scoping review. A search across four major databases identified 1081 articles, of which 82 were included in the final analysis.
Matteo Gremo, Francesco Sguaizer, Raffaele Cioffi, Margherita Micheletti Cremasco, Federica Caffaro   +4 more
wiley   +1 more source

Impact Response of Composite Material Equipment Cabin Floor Considering Strain Rate Effects

Chengshi guidao jiaotong yanjiu
ObjectiveCFRP (carbon fiber reinforced polymer) and GFRP (glass fiber reinforced polymer) have been applied to the structure of rail transit vehicle equipment cabin.
Yuke WANG, Shoune XIAO, Dongdong CHEN, Chunyan LIU, Tao ZHU, Mingmeng WANG   +5 more
doaj   +1 more source