Results 51 to 60 of about 4,604 (287)
Sustainable e-commerce urban distribution in LEZ areas: A greening Metro-based solution (M4G: Metro For Goods) [PDF]
, 2023 A Low Emission Zone (LEZ) is a measure implemented by many European cities in their densest, most congested and most polluted areas to reduce the access of the most polluting vehicles.
Monzón de Cáceres, Andrés +1 more
core +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 +6 more
wiley +1 more source
LogiConstruction of elevated metro line leads to a reduction in the average speed of vehicles due to congestions, diversions, and road incidents. This reduction in speed depends on recurring (e.g., congestion in rush hours) and non-recurring (e.g., road ...
Pataskar Smita +2 more
doaj +1 more source
Kuwait Journal of Science, 2020 Climate change is resulting in the gradual rise of the temperature of our planet, and greenhouse gasses (GHGs) are believed to be primarily responsible for the phenomenon.
Syed Imran Hussain Shah +3 more
doaj
Energy Science &Engineering, EarlyView.This study develops and evaluates a solar PV‐fed electric bicycle system optimized for university campuses in Pakistan. The techno‐economic analysis demonstrates significant fuel savings, emission reductions, and sustainability benefits, promoting a cost‐effective, eco‐friendly, and renewable transportation alternative amid rising global fuel and ...
Muhammad Abdullah Khan +4 more
wiley +1 more source
An Algorithm to Optimize Speed Profiles of the Metro Vehicles for Minimizing Energy Consumption
, 2014 The calculation of optimal driving speed profiles for metro vehicles that improve energy saving and, thus, reduce costs, are investigated. The optimization problem is solved in two different steps: in the first one, a Dynamic Programming Optimization ...
GRABER, GIUSEPPE +9 more
core +1 more source
Traffic Flow Data Collection Methods During Wildfire Evacuation
Fire and Materials, EarlyView.ABSTRACT With climate change and urbanisation increasing wildfire risk in the wildland–urban interface (WUI), enhancing community evacuation preparedness is crucial. This study evaluates different data collection methods for measuring traffic flows during a community wildfire evacuation drill in Roxborough Park, Colorado, in June 2024.
Ann‐Kristin Dugstad +9 more
wiley +1 more source
Application of Permanent Synchronous Motor Traction System in Shenyang Metro Line 2 Vehicles
, 2013 Loading project, technology and risk analysis of Shenyang metro line 2 vehicles permanent synchronous motor traction system were introduced, as well as its debugging, test and operation situation.
YAN Lei, GUO Feng
core +1 more source
Failure Analysis and Improvement of Auxiliary Inverter for S8 Line of Nanjing Metro
机车电传动, 2019 Working principle and structure of auxiliary inverters (SIV) for metro vehicles on Nanjing metro line S8 were introduced. The deficiencies in the control of auxiliary inverters for metro vehicles were summarized by analyzing the causes of faults,and ...
Yuhu JIANG, Caixia SHI
doaj
Journal of Plant Nutrition and Soil Science, EarlyView.During regular operation of the SuedLink at a load ≤75 %, the average increase in temperature in the plowing horizon is expected to be less than 1.6°C in the soils along the route in Southwest Germany. ABSTRACT Background The SuedLink was planned as a high‐voltage direct‐current underground cable route. The construction itself is a massive intervention
Joachim Ingwersen +10 more
wiley +1 more source