Results 81 to 90 of about 129,463 (301)

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   +1 more source

Introducing TAXI: a Transportable Array for eXtremely large area Instrumentation studies

open access: yes, 2014
A common challenge in many experiments in high-energy astroparticle physics is the need for sparse instrumentation in areas of 100 km2 and above, often in remote and harsh environments.
Haungs, A.   +4 more
core  

Pollution reduction technology program for small jet aircraft engines: Class T1 [PDF]

open access: yes, 1977
Small jet aircraft engines (EPA class T1, turbojet and turbofan engines of less than 35.6 kN thrust) were evaluated with the objective of attaining emissions reduction consistent with performance constraints.
Bruce, T. W.   +2 more
core   +1 more source

A Social Entrepreneurship Perspective of De‐Carbonising the Footprint through Recycling Compensation: A Case Study of the NGO Madre Coraje

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This research analyses the carbon footprint of the NGO Madre Coraje, using an integrated methodology that combines the calculator provided by REAS (Red de Economía Alternativa y Solidaria) Navarra and the Life Cycle Assessment (LCA). It quantifies emissions across the three scopes of the Greenhouse Gas Protocol, evaluating both direct and ...
José Fernandez‐Serrano   +2 more
wiley   +1 more source

A Study on Duopoly Competition in the Low-Altitude Economy Based on the Hotelling Model: Analysis of Air Taxi Advertising Strategies and Intercity Service Decisions

open access: yesSystems
Driven by government subsidies and advertising revenue, air taxis present an innovative solution to alleviate traffic congestion and are poised for growth.
Huini Zhou   +3 more
doaj   +1 more source

An Investigation of Vertical Take-off and Landing Air Taxis with Electric and Hybrid Propulsion Systems [PDF]

open access: yesفناوری در مهندسی هوافضا, 2018
A prodigious revolution will be happened in urban public transportation in future years. This revolution will be along with entrance of air taxis and other flying vehicles.
Amirhossein Edalatpour   +2 more
doaj  

Towards Urban Air Mobility: NASAs Quadcopter Air Taxi Concept [PDF]

open access: yes
Urban Air Mobility (UAM) is envisioned to be the future air transportation system over populated areas, where everything from small package delivery drones to passenger-carrying air taxis are able to interact safely and efficiently. The capacity of multi-
Ventura Diaz, Patricia, Yoon, Seokkwan
core   +1 more source

CoachNet: The further development of a coordinated network for sport coaching in Europe [PDF]

open access: yes, 2013
Leeds Metropolitan University (LMU), in partnership with the European Coaching Council (ECC), was successful in a bid to the European Commission under the Preparatory Action in the Field of Sport (EAC/18/2011).
Curado, J   +3 more
core  

A stigmergy-based analysis of city hotspots to discover trends and anomalies in urban transportation usage

open access: yes, 2018
A key aspect of a sustainable urban transportation system is the effectiveness of transportation policies. To be effective, a policy has to consider a broad range of elements, such as pollution emission, traffic flow, and human mobility.
Alfeo, Antonio L.   +4 more
core   +1 more source

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