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السجلات المعروضة 1151 -- 1160 من 1223
Interactions between autonomous vehicles and pedestrians at unsignalized mid-block crosswalks considering occlusions by opposing vehicles
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Elsevier Ltd
, 2021 , Article)
Visibility can be identified as one of the critical determinants for the safety performance of autonomous vehicles (AVs) on unsignalized mid-block crosswalks (UMC), which may be significantly influenced by build-up environment ...
Sandstorm animations on rural expressways: The impact of variable message sign strategies on driver behavior in low visibility conditions
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Elsevier Ltd
, 2021 , Article)
Problem: Evolving sandstorms on rural expressways in desert countries impair drivers' contrast vision and increase the risk of serious crashes due to delayed speed adjustments. Intelligent Transport Systems (ITS) such as ...
The effects of environmental innovations on CO2 emissions: Empirical evidence from Europe
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Elsevier Ltd
, 2021 , Article)
Environmental innovations are key enablers of transition towards greener economies. Despite their importance, empirical studies examining the effect of green technologies on CO2 emissions are still limited. Using an ...
A novel agent-based framework for evaluating pedestrian safety at unsignalized mid-block crosswalks
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Elsevier Ltd
, 2021 , Article)
A critical safety problem in road networks is the conflicts on unsignalized crosswalks. Thus, a proactive approach to assess pedestrian safety performance is required. Simulating the microscopic road user behavior in a ...
Sensitive SO2 gas sensor utilizing Pt-doped graphene nanoribbon: First principles investigation
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Elsevier Ltd
, 2021 , Article)
The objective of this work is to seek a highly sensitive gas sensor for the detection of sulfur dioxide (SO2) by investigating the impacts of passivation as well as metal doping of armchair-edge graphene nanoribbon (AGNR) ...
Vulnerabilities and countermeasures in electrical substations
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Elsevier
, 2021 , Article)
The impending and continued threat of cyberattacks on modern utility grids has called for action from the different stakeholders of the electricity sector. This calls for a thorough investigation and review of the weaknesses ...
Effect of individually controlled personalized ventilation on cross-contamination due to respiratory activities
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Elsevier
, 2021 , Article)
While personalized ventilation (PV) has been integrated to enhance inhaled air quality, some studies showed that it can contribute to contaminants' transport indoors. This work investigates the effect of the individual ...
Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
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Elsevier
, 2021 , Article)
Electrospinning technique was employed to fabricate composite nanofibers/nanoparticles of sulfonated polyether ether ketone, polyvinylpyrrolidone, and ruthenium oxide (sPEEK/PVP/RuO2). The samples were synthesized with ...
Durability of plain concrete prism strengthened with galvanized steel mesh and CFRP laminates under harsh environmental conditions
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Elsevier
, 2021 , Article)
This paper investigates the bond durability of recently developed galvanized steel mesh (GSM) strengthening systems compared to the carbon fiber-reinforced polymer (CFRP) composites under severe environments. Plain concrete ...
Evacuation under flooded conditions: Experimental investigation of the influence of water depth on walking behaviors
(
Elsevier
, 2021 , Article)
Flooding can be considered as the most frequent type of natural disaster, and it is an unavoidable phenomenon in many parts of the world. Ensuring the safety of people during such natural disasters is extremely important. ...