Economic and emission reduction benefits of the implementation of eVTOL aircraft with bi-directional flow as storage systems in islands and case study for Canary Islands

Velaz-Acera, Néstor; Álvarez-García, Javier; Borge-Díez, David

doi:10.1016/j.apenergy.2022.120409

Cited by 3 publications

(1 citation statement)

References 79 publications

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“…This is an interesting preliminary result that must be further investigated. Although some studies [23,70] and some market analyses [71] propose UAM as a reduced carbon emission alternative to "traditional" mobility, there are some other studies that show less optimistic expectations with respect to the environmental impacts generated by UAM services [72]. This preliminary analysis is rather in line with this latter study, although it refers to a specific electricity generation case and cannot be generalized to other contexts.…”

Section: Reference Variable Valuesupporting

confidence: 51%

Three-Dimensional Urban Air Networks for Future Urban Air Transport Systems

Ditta,

Postorino

2023

Sustainability

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Advances in new electric aerial vehicles have encouraged research on pioneering Urban Air Mobility (UAM) solutions, which would provide fast service for passengers, goods, and emergencies. From this perspective, some air service scenarios have been identified, such as air taxis, airport shuttles, and intercity services. Such air services should be supported by a suitable urban air network, which should comply with several boundary conditions linked to the specific features of this new type of aerial mobility. This paper proposes an Urban Air Network (UAN) model that includes a third (vertical) dimension and whose aim is to satisfy the basic principle of linking origin/destination pairs, as in usual ground transportation networks, by guaranteeing at the same time safe aerial paths between origin/destination pairs with suitable vehicle separations. The proposed UAN consists of multiple 2D graphs on different layers, which allows for the transfer of aerial vehicles in lower airspace. A suitable cost function has been associated with each UAN link in order to compute the shortest paths connecting the origin/destination pairs. The links in a UAN have a dynamic nature and can be enabled or disabled in consideration of capacity issues. In addition, indirect CO2 emissions linked to aerial vehicles (such as operational and disposal phase charges) have been computed to foresee the potential environmental impacts based on the proposed UAN model. The preliminary results of a test case show encouraging results and provide interesting findings for further advancements.

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Section: Reference Variable Valuesupporting

confidence: 51%

Three-Dimensional Urban Air Networks for Future Urban Air Transport Systems

Ditta,

Postorino

2023

Sustainability

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Life cycle assessment of eVTOL vehicles in island systems. Case study: Canary Islands

Velaz-Acera,

Arcauz-Durán,

Borge-Diez

2023

Transportation Research Procedia

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Urban Air Mobility for Last-Mile Transportation: A Review

Moradi,

Wang,

Mafakheri

2024

Vehicles

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Urban air mobility (UAM) is a revolutionary approach to transportation in densely populated cities. UAM involves using small, highly automated aircraft to transport passengers and goods at lower altitudes within urban and suburban areas, aiming to transform how people and parcels move within these environments. On average, UAM can reduce travel times by 30% to 40% for point-to-point journeys, with even greater reductions of 40% to 50% in major cities in the United States and China, compared to land transport. UAM includes advanced airborne transportation options like electric vertical takeoff and landing (eVTOL) aircraft and unmanned aerial vehicles (UAVs or drones). These technologies offer the potential to ease traffic congestion, decrease greenhouse gas emissions, and substantially cut travel times in urban areas. Studying the applications of eVTOLs and UAVs in parcel delivery and passenger transportation poses intricate challenges when examined through the lens of operations research (OR). By OR approaches, we mean mathematical programming, models, and solution methods addressing eVTOL- and UAV-aided parcel/people transportation problems. Despite the academic and practical importance, there is no review paper on eVTOL- and UAV-based optimization problems in the UAM sector. The present paper, applying a systematic literature review, develops a classification scheme for these problems, dividing them into routing and scheduling of eVTOLs and UAVs, infrastructure planning, safety and security, and the trade-off between efficiency and sustainability. The OR methodologies and the characteristics of the solution methods proposed for each problem are discussed. Finally, the study gaps and future research directions are presented alongside the concluding remarks.

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Economic and emission reduction benefits of the implementation of eVTOL aircraft with bi-directional flow as storage systems in islands and case study for Canary Islands

Cited by 3 publications

References 79 publications

Three-Dimensional Urban Air Networks for Future Urban Air Transport Systems

Three-Dimensional Urban Air Networks for Future Urban Air Transport Systems

Life cycle assessment of eVTOL vehicles in island systems. Case study: Canary Islands

Urban Air Mobility for Last-Mile Transportation: A Review

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