Results 31 to 40 of about 16,266,038 (328)
High Efficiency Megawatt Motor Preliminary Design
2019 AIAA/IEEE Electric Aircraft Technologies Symposium (EATS), 2019 The High Efficiency Megawatt Motor (HEMM) is being designed to meet the needs of Electrified Aircraft Propulsion (EAP). A preliminary design has been completed and risk reduction activities are being conducted in three key areas: cryogenic cooler design,
R. Jansen +12 more
semanticscholar +1 more source
Management Systems in Production Engineering, 2017 During the design of the ship the most important decisions are made at the stage of preliminary design. One of the most important design parameters assumed by the shipowner is its service speed in real weather conditions occurring in the shipping line ...
Szelangiewicz Tadeusz +1 more
doaj +1 more source
Proposition of Design Capacity of Borehole Heat Exchangers for Use in the Schematic-Design Stage
Energies, 2021 This study proposes a simple ground heat exchanger design capacity that is applicable in the schematic-design stage for several configurations used for borehole heat exchangers (BHEs).
Seung-Min Lee +3 more
doaj +1 more source
Mission Oriented Multi-Prop UAV Analysis Using Statistical Design Trends
Aerospace, 2021 This paper presents a methodology for the sizing and preliminary analysis of Multi-Prop UAVs. The methodology is founded on design trends that emerge from a vast and unique database that has been collected for such vehicles.
Omri Rand, Vladimir Khromov
doaj +1 more source
Preliminary Design and Optimization of Axial Turbines Accounting for Diffuser Performance
International Journal of Turbomachinery, Propulsion and Power, 2019 Axial turbines are the most common turbine configuration for electric power generation and propulsion systems due to their versatility in terms of power capacity and range of operating conditions. Mean-line models are essential for the preliminary design
Roberto Agromayor, L. Nord
semanticscholar +1 more source
Figure of merit for divertor protection in the preliminary design of the EU-DEMO reactor
Nuclear Fusion, 2019 This paper discusses the criteria to be used in the preliminary design phases of the EU-DEMO reactor to ensure the performance of the divertor without compromising the stability of core plasma or the fusion power generation.
M. Siccinio +5 more
semanticscholar +1 more source
Mokslas: Lietuvos Ateitis, 2018 Innovative steel cable-stayed pedestrian bridge design review is provided. The design advantages and disadvantages are presented. Innovative steel cable-stayed pedestrian bridge construction comparative analysis with similar 80 m span cable-stayed bridge
Modestas Stragys
doaj +1 more source
FEM Based Preliminary Design Optimization in Case of Large Power Transformers
Applied Sciences, 2019 Since large power transformers are custom-made, and their design process is a labor-intensive task, their design process is split into different parts. In tendering, the price calculation is based on the preliminary design of the transformer.
T. Orosz, D. Pánek, P. Karban
semanticscholar +1 more source
ALMA Nutator Design and Preliminary Performance
, 2012 We report the past two years of collaboration between the different actors on the ALMA nutator. Building on previous developments, the nutator has seen changes in much of the design. A high-modulus carbon fiber structure has been added on the back of the
Chen, Ming-Tang +9 more
core +1 more source
AerospaceThis paper presents a case study on integrating Agile Systems Engineering methodologies in the preliminary design phase of satellite systems, focusing on the 3ColStar satellite mission.
Jeimmy Nataly Buitrago-Leiva +15 more
doaj +1 more source