A study on additive manufacturing for electromobility

D Schuhmann, C Rockinger, M Merkel… - World Electric Vehicle …, 2022 - mdpi.com
Additive manufacturing (AM) offers the possibility to produce components in a resource-
efficient and environmentally friendly way. AM can also be used to optimise the design of …

Electromagnetic design characterization of a dual rotor axial flux motor for electric aircraft

D Talebi, MC Gardner, SV Sankarraman… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This article presents and evaluates a dual rotor axial flux permanent magnet motor for
electric aircraft applications. Several features, including grain-oriented electrical steel …

Design and comparison of direct-drive and geared high specific power permanent magnet motors for aerospace applications

A Al-Qarni, S Koushan, T Chowdhury… - 2022 IEEE Energy …, 2022 - ieeexplore.ieee.org
Electrical machines are key enablers of hybrid/electric propulsion in aerospace applications.
This is attributed to the following advantages:(i) full or partial elimination of fossil fuel which …

A comprehensive characterization of hollow conductor additively manufactured coils and thermal management system for a 250kW SPM machine

S Vahid, S Koushan, T Chowdhury… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper presents a comprehensive study on thermal management system and behavior
of additively manufactured coils through heat pipe based liquid cooling thermal …

Comparative analysis between various high specific power permanent magnet motor topologies for aerospace applications

A Al-Qarni, P Kumar, S Koushan… - 2022 IEEE Energy …, 2022 - ieeexplore.ieee.org
Electrification of the aerospace application is crucial to mitigate carbon dioxide emissions.
On the other hand, electrical machines are not yet competitive to turbo jet engines in terms …

Effect of slot-pole combination on performance of a dual rotor halbach-array axial flux permanent magnet machine enabled by additively manufactured winding

P Kumar, AM EL-Refaie - 2022 International Conference on …, 2022 - ieeexplore.ieee.org
The demand of high-performance electrical machines for challenging applications like
aerospace has impelled the exploration of advanced manufacturing materials for the various …

Additively Manufactured Fractional Slot Concentrated Windings with Integrated Heat Pipes: Single-Layer vs. Double-Layer

A Al-Qarni, A El-Refaie - 2022 International Conference on …, 2022 - ieeexplore.ieee.org
Electric motors are effective solutions to mitigate or eliminate CO 2 emissions produced by
aerospace vehicles. However, the aggressive Specific Power (SP) and efficiency targets …

Study of the current ripple effect of a modular machine drive on torque ripple and losses foran spm machine with additively manufactured hollow conductor coils

S Koushan, S Vahid, A El-Refaie - … International Conference on …, 2022 - ieeexplore.ieee.org
This paper investigates the effects of the current ripple induced by PWM switching on
various parameters of a 250 kW, 5,000 rpm surface mount permanent magnet machine. Due …

Progress Toward Climate-Friendly Aviation in the ARPA-E ASCEND and REEACH Programs

HP de Bock, DE Tew, Z Rahman… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
The decarbonization of commercial aviation in the coming decades represents a formidable
challenge. For ranges of less than several hundred miles, all-electric battery-powered …

Scalability, design and optimization of high specific power 500 kW SPM machine with additively manufactured coils and integrated heat pipes

S Koushan, S Vahid, A Al-Qarni… - 2022 IEEE Energy …, 2022 - ieeexplore.ieee.org
This paper focuses on the scalability effects on key specifications (including specific power
and efficiency) of surface permanent magnet machines. Therefore, a 500 kW and 10,000 …