Results 41 to 50 of about 129,662 (200)
Emission characteristics of nonmethane hydrocarbons from private cars and taxis at different driving speeds in Hong Kong [PDF]
, 2011 Vehicular emissions are the major sources of a number of air pollutants including nonmethane hydrocarbons (NMHCs) in urban area. The emission composition and emission factors of NMHCs from vehicles are currently lacking in Hong Kong.
Blake, DR +4 more
core +1 more source
ITEGAM-JETIAThis study aims to improve the efficiency of Brazilian air traffic by analyzing the Brazilian Airspace Control System (SISCEAB) performance indicators.
Alessandro Soares de Freitas +1 more
doaj +1 more source
Sensors, 2019 Road traffic pollution is one of the key factors affecting urban air quality. There is a consensus in the community that the efficient use of public transport is the most effective solution.
Fernando Terroso-Saenz +2 more
doaj +1 more source
npj Climate and Atmospheric ScienceAir transport has become the fastest-growing carbon/air pollutant emission sources. Landing-takeoff (LTO) management is a cost-effective way to address aviation’s low-emission, decarbonization and energy-conservation challenges.
Chaoyu Wen +8 more
doaj +1 more source
Optimization and Empirical Study of Departure Scheduling Considering ATFM Slot Adherence
AerospaceDeparture punctuality (KPI01) and ATFM slot adherence (KPI03) have been emphasized by the International Civil Aviation Organization as key performance indicators (KPIs) in the Global Air Navigation Plan. To address the inherent conflict between these two
Zheng Zhao +3 more
doaj +1 more source
Research on Joint Ground Movement Optimization Based on Bilevel Programming
Aerospace, 2022 Requirements of digitization, intellectualization, and integration for the programming and management of air transportation have been recommended as information technology booms.
Ruofei Sun +4 more
doaj +1 more source
Urban Air Mobility—Challenges and Opportunities for Air Taxis [PDF]
, 2019 This article provides information about the development status of Urban Air Mobility and its challenges. At the beginning an overview is given to running projects regarding the development of VTOLs and a comparison to different aircraft variants. The main challenges are described which have to be met on the way to successfully establish Urban Air ...
openaire +1 more source
, 1965 The aviation industry is facing many challenges concerning environmental effects associated to an overall increase in air travel. In order to analyse these environmental effects, the possibility for measurement in the areas connected to the aviation ...
Dahlgren, Martin, Westin, Viktor
core +1 more source
Bi-Level Scheduling for Beijing-Tianjin-Airport Cluster Departures
AerospaceThe rapid growth of air traffic demand and limited airspace resources have made efficient coordination in multi-airport systems a critical challenge. This paper develops a bi-level air–ground collaborative scheduling model for the Beijing-Tianjin-Airport
Ying Peng +3 more
doaj +1 more source
Increase of diesel car raises health risk in spite of recent development in engine technology [PDF]
Environmental Health and Toxicology, 2014 Diesel exhaust particles (DEP) contain elemental carbon, organic compounds including Polyaromatic hydrocarbons (PAHs), metals, and other trace compounds. Diesel exhaust is complex mixture of thousands of chemicals.
Jong Han Leem, Young-Kee Jang
doaj +1 more source