Development and performance evaluation of traction system for steep gradient and sharp curve track

Seo, Sungil; Mun, Hyung-Suk; Moon, Jiho; Suk, Myung-Eun

doi:10.5762/kais.2016.17.9.493

Journal of the Korea Academia-Industrial cooperation Society

2016

DOI: 10.5762/kais.2016.17.9.493

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Development and performance evaluation of traction system for steep gradient and sharp curve track

Sungil Seo¹,

Hyung-Suk Mun²,

Jiho Moon³

et al.

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Cited by 2 publications

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“…(kN); P ¼ braking force of each band (kN); ¼ coefficient of friction of a band (¼ 0.3); ¼ contact angle (rad) (¼ 249 ¼ 4.35 rad). With the calculated band tensile force and a known allowable band strength, the band width is calculated using equation(5) …”

mentioning

confidence: 99%

Development of a bogie for running on a track having a steep gradient and sharp curves

Seo

Mun

Suk

et al. 2017

Proceedings of the Institution of Mechanical Engineers, Part F:

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In this study, core technologies are developed for a bogie system to enable the bogie to run on a track that has a steep gradient and sharp curves. The bogie is designed to run on a minimum curve radius of 10 m by developing independently rotating wheels and axles. It is also designed to run on a maximum gradient of 180‰ with reduced noise by developing an elastic pinion. The traction motor power required for a steep gradient is calculated and reflected in the design of the traction system. In addition, a band braking system is developed to improve the braking force while running on a steep gradient track. The developed main parts are tested to evaluate their performance and are subsequently applied to the bogie systems designed to run on a steep gradient and sharp curve tracks. The maximum load on the bogie frame is reassessed by considering the running conditions on a track that has a steep gradient and sharp curves. The safety of the bogie frame is verified through a loading test. Finally, the developed bogie system with the incorporated parts and core technologies undergoes a running test on a roller rig for evaluating its performance.

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mentioning

confidence: 99%

Development of a bogie for running on a track having a steep gradient and sharp curves

Seo

Mun

Suk

et al. 2017

Proceedings of the Institution of Mechanical Engineers, Part F:

Self Cite

View full text Add to dashboard Cite

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Evaluation of the Applicability of 50 N Rails to Sharp Curves on Mountain Railway Tracks

Park¹,

Eum²,

Lim³

2022

J. Korean Soc. Hazard Mitig

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Currently, a mountain railway system using existing mountain roads is being developed in Korea. Considering the alignment of domestic mountain roads with many sharp curves, the maximum radius of curvature of the mountain railway is about 10 m. Therefore, the 50 N rail applied to the track structure of the mountain railway must be manufactured with a radius of curvature of 10 m at the factory. In this study, the material properties of 50 N Rails were analyzed through indoor tests and the behavioral characteristics according to bending processing (R = 10 m) were analyzed to evaluate their applicability to sharp curves on mountain railways.

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Development and performance evaluation of traction system for steep gradient and sharp curve track

Cited by 2 publications

References 2 publications

Development of a bogie for running on a track having a steep gradient and sharp curves

Development of a bogie for running on a track having a steep gradient and sharp curves

Evaluation of the Applicability of 50 N Rails to Sharp Curves on Mountain Railway Tracks

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