Results 11 to 20 of about 2,786,742 (248)

Unregulated Emissions from Natural Gas Taxi Based on IVE Model

open access: yesAtmosphere, 2021
Emissions from motor vehicles have gained the attention of government agencies. To alleviate air pollution and reduce the petroleum demand from vehicles in China, the policy of “oil to gas” was vigorously carried out.
Hong Zhao   +5 more
doaj   +2 more sources

Exploration of Solar Power System Integration for Sustainable Air Transportation—A Case Study for Seaplane Air Taxi Operations

open access: yesAerospace
To reduce the environmental impact of airborne transportation, the aeronautic community investigates smaller aircraft with short-range operations (such as training aircraft, air taxis, or commuter aircraft) as technology incubators.
Susan Liscouët-Hanke   +2 more
doaj   +2 more sources

Evaluation of Multidisciplinary Design Optimization of Air Taxi and Classic Design [PDF]

open access: yesفناوری در مهندسی هوافضا, 2023
In recent years, the use of air taxis as a suitable solution for transporting cargo and passengers, has been considered especially in short distances and in the city. Complex systems, such as air taxis, are involved in several subsystems with interacting
Hossein Sadati   +2 more
doaj   +1 more source

Pilot Age and Error in Air Taxi Crashes [PDF]

open access: yesAviation, Space, and Environmental Medicine, 2009
George Rebok, Guohua Li, Susan P Baker
exaly   +2 more sources

A Methodology for the Comparative Analysis of Hybrid Electric and All-Electric Power Systems for Urban Air Mobility

open access: yesEnergies, 2022
The present investigation addresses the topic of Urban Air Mobility with particular reference to the air-taxi service with electrified power systems. A new and detailed methodology is proposed for the simplified design and energy analysis of conventional,
Teresa Donateo, Antonio Ficarella
doaj   +1 more source

A Layered Structure Approach to Assure Urban Air Mobility Safety and Efficiency

open access: yesAerospace, 2023
The demand for air mobility services will depend on the safety of these operations but also on the transportation time savings in congested urban areas. An adequate air space structure is therefore essential to achieve both objectives.
Victor Gordo   +8 more
doaj   +1 more source

Modified C-17 taxi procedures: a fuel cost savings exploration [PDF]

open access: yesJournal of Defense Analytics and Logistics, 2020
Purpose – This study aims to explore the viability of using C-17 reduced-engine taxi procedures from a cost savings and capability perspective. Design/methodology/approach – This study model expected engine fuel flow based on the number of operational ...
Michael Wells   +3 more
doaj   +1 more source

Impact of Air Taxis on Air Traffic in the Vicinity of Airports

open access: yesInfrastructures, 2021
The extension of the current urban transportation system utilising the third dimension by air taxi (AT) operations represents a potential solution for the congestion of metropolitan areas.
Nils Ahrenhold   +2 more
doaj   +1 more source

The impact of COVID-19 lockdown restrictions on the short-term association between in-vehicle particulate pollutants and the respiratory health of Parisian taxi drivers

open access: yesScandinavian Journal of Work, Environment & Health, 2023
OBJECTIVES: This study assessed the short-term associations between in-vehicle ultrafine particles (UFP) and black carbon (BC) concentrations and irritation symptoms and lung parameters of taxi drivers, pre- and post-lockdown.
Melissa Hachem   +2 more
doaj   +1 more source

A Conceptual Design Methodology for e-VTOL Aircraft for Urban Air Mobility

open access: yesApplied Sciences, 2021
Recent progress of electric systems has raised attention towards hybrid-electric and full-electric aircraft. Nevertheless, the current low battery energy density limits the application of these propulsive architectures to large transport aircraft. In the
Giuseppe Palaia   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy