Conceptual Sizing and Feasibility Study for a Magnetic Plane Concept

Decker, Kenneth; Chin, Jeff; Peng, Andi; Summers, Colin; Nguyen, Golda; Oberlander, Andrew; Sakib, Gazi; Sharifrazi, Nariman; Heath, Christopher M.; Gray, Justin S.; Falck, Robert

doi:10.2514/6.2017-0221

Cited by 14 publications

(13 citation statements)

References 2 publications

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“…And also to what extent such change in capacity could influence other operational, financial and socio/environmental performances of the system. An initial study explored the relationship of HL vehicle capacity to total energy consumption and found the former being rather insensitive to the latter (Decker et al, 2017). From financial perspective, further research is needed to more accurately estimate costs associated with HL development especially with respect to infrastructure (i.e.…”

Section: Discussionmentioning

confidence: 99%

“…So far, studies on HL have focused on enabling technologies of the system such as the electromagnetic levitation [5], the dynamics of the HL vehicle and the infrastructure [6][7][8][9], the implications of the HL for bridge dynamics [10] and the impact of earthquake forces on the HL vehicle [11]. Decker et al [12] explored the feasibility of the HL system focusing on trades between technical/design aspects and the associated cost.…”

Section: Introductionmentioning

confidence: 99%

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Analysis and modelling of performances of the HL (Hyperloop) transport system

Goeverden

Milakis

Janić

et al. 2018

Eur. Transp. Res. Rev.

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Introduction: Hyperloop (HL) is presented as an efficient alternative of HSR (High Speed Rail) and APT (Air Passenger Transport) systems for long-distance passenger transport. This paper explores the performances of HL and compares these performances to HSR and APT. Methods: The following performances of the HL system are analytically modeled and compared to HSR and APT: (i) operational performance; (ii) financial performance; (iii) social/environmental performance. Results: The main operational result is that the capacity of HL is low which implies a low utilization of the infrastructure. Because the infrastructure costs dominate the total costs, the costs per passenger km are high compared to those for HSR and APT. The HL performs very well regarding the social/environmental aspects because of low energy use, no GHG emissions and hardly any noise. The safety performance needs further consideration. Conclusions: The HL system is promising for relieving the environmental pressure of long-distance travelling, but has disadvantages regarding the operational and financial performances.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analysis and modelling of performances of the HL (Hyperloop) transport system

Goeverden

Milakis

Janić

et al. 2018

Eur. Transp. Res. Rev.

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“…Description of the hyperloop system components is provided in several studies [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22]. Hyperloop studies focus on specific performance topics, such as aerodynamics [15,18,, safety [8,9,16,19,20,44,45], and energy [7,9,14,[16][17][18]23,28,39,44,[46][47][48][49][50][51][52][53][54][55][56][57][58], while others focus on different hyperloop technologies, such as in the field of pneumatic tube and tunnel systems…”

Section: Introductionmentioning

confidence: 99%

The Hyperloop System and Stakeholders: A Review and Future Directions

et al. 2021

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The hyperloop is an innovative land transport mode for passengers and freight that travels at ultra-high speeds. Lately, different stakeholders have been engaged in the research and development of hyperloop components. The novelty of the hyperloop necessitates certain directions to be followed toward the development and testing of its technological components as well the formation of regulations and planning processes. In this paper, we conduct a comprehensive literature review of hyperloop publications to record the current state of progress of hyperloop components, including the pod, the infrastructure, and the communication system, and identify involved EU stakeholders. Blending this information results in future directions. An online search of English-based publications was performed to finally consider 107 studies on the hyperloop and identify 81 stakeholders in the EU. The analysis shows that the hyperloop-related activities are almost equally distributed between Europe (39%) and Asia (38%), and the majority of EU stakeholders are located in Spain (26%) and Germany (20%), work on the traction of the pod (37%) and the tube (28%), and study impacts including safety (35%), energy (33%), and cost (30%). Existing tube systems and testing facilities for the hyperloop lack full-scale tracks, which creates a hurdle for the testing and development of the hyperloop system. The presented analysis and findings provide a holistic assessment of the hyperloop system and its stakeholders and suggest future directions to develop a successful transport system.

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“…Musk proposed his new transportation system as an alternative to the California high-speed rail (https://www.hsr.ca.gov/), connecting between San Francisco and Los Angeles. Feasibility studies of the Hyperloop concept were also undertaken by NASA with respect to the cost and technical aspects [7][8][9], and the organization provided a high-level evaluation of Hyperloop in terms of its commercial potential, environmental impact, costs, safety issues, and regulatory and policy issues, as well as to identify further research topics related to the technology. Four years after the Hyperloop Alpha paper was published, the first Hyperloop pod competition was held by the private company SpaceX.…”

Section: Introductionmentioning

confidence: 99%

Computational fluid dynamics simulation of Hyperloop pod predicting laminar–turbulent transition

Nick

Sato

2020

Rail. Eng. Science

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Three-dimensional compressible flow simulations were conducted to develop a Hyperloop pod. The novelty is the usage of Gamma transition model, in which the transition from laminar to turbulent flow can be predicted. First, a mesh dependency study was undertaken, showing second-order convergence with respect to the mesh refinement. Second, an aerodynamic analysis for two designs, short and optimized, was conducted with the traveling speed 125 m/s at the system pressure 0.15 bar. The concept of the short model was to delay the transition to decrease the frictional drag; meanwhile that of the optimized design was to minimize the pressure drag by decreasing the frontal area and introduce the transition more toward the front of the pod. The computed results show that the transition of the short model occurred more on the rear side due to the pod shape, which resulted in 8% smaller frictional drag coefficient than that for the optimized model. The pressure drag for the optimized design was 24% smaller than that for the short design, half of which is due to the decrease in the frontal area, and the other half is due to the smoothed rear-end shape. The total drag for the optimized model was 14% smaller than that for the short model. Finally, the influence of the system pressure was investigated. As the system pressure and the Reynolds number increase, the frictional drag coefficient increases, and the transition point moves toward the front, which are the typical phenomena observed in the transition regime.

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Conceptual Sizing and Feasibility Study for a Magnetic Plane Concept

Cited by 14 publications

References 2 publications

Analysis and modelling of performances of the HL (Hyperloop) transport system

Analysis and modelling of performances of the HL (Hyperloop) transport system

The Hyperloop System and Stakeholders: A Review and Future Directions

Computational fluid dynamics simulation of Hyperloop pod predicting laminar–turbulent transition

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