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The dropper stress characteristics under different moving load speeds for a high-speed railway [PDF]
HeliyonDropper failure seriously threatens the operation safety of a high-speed railway. In this work, for a simple chain suspension catenary, one span with five droppers is performed to establish a model and thus the effects of the moving load speed on dropper
Fan He
exaly +5 more sources
Fatigue analysis of railway catenary dropper based on its stress incorporating displacement loading and fluctuating wind load [PDF]
Science ProgressIn this paper, a simple chain suspension catenary model is constructed. The acting force of pantograph is reduced to a displacement loading. The stress and fatigue life of railway catenary dropper incorporating displacement loading and fluctuating wind ...
Fan He
exaly +3 more sources
The influence of wind load on the stress characteristics of dropper for a high-speed railway
Advances in Mechanical Engineering, 2022 In this paper, the influence of wind load on the stress characteristics of dropper for a high-speed railway is studied. The section method is used to obtain the vibration equation of the dropper, and the finite difference method is used to convert the ...
Fan He
exaly +2 more sources
Numerical study of contact wire tension affecting dropper stress of a catenary system
Advances in Mechanical Engineering, 2021 Dropper is the key component of in a catenary system and it is prone to fatigue fracture. Dropper stress directly affects the operation safety of high-speed railway.
Fan He
exaly +2 more sources
Study on numerical simulation method and dynamic force of dropper of a catenary system
Advances in Mechanical Engineering, 2023 The dropper through bends and bears dynamic impact load before and after the train passes in actual service, which has an important impact on the fatigue life of the dropper.
Like Pan, Caizhi Yang
exaly +2 more sources
Study on contactless measurement method of dropper load
Advances in Mechanical Engineering, 2022 The fatigue fracture of dropper will threaten the safe operation of high-speed railway. The accurate measurement of dropper load plays an important role in dropper fatigue test and service life prediction.
Jidong Liu, Jiqin Wu, Weirong Chen
exaly +2 more sources
Fatigue life analysis of dropper used in pantograph-catenary system of high-speed railway
Advances in Mechanical Engineering, 2018 Dropper is an important component of pantograph-catenary system employed in high-speed railway. The cyclic stress in dropper can lead to the fatigue failure during operation.
Peihuo Peng, Fan He
exaly +2 more sources
Pharmaceutics, 2022 The sterility of eye drop content is a primary concern from manufacturing until opening, as well as during handling by end users, while microbial contamination of the dropper tip and cap are often disregarded. The contamination of these sites during drug
Katia Iskandar +2 more
exaly +3 more sources
IEEE Access, 2019 The overhead contact system (OCS) is an indispensable part of high-speed railway power supply system. The stable operation of the OCS depends on the stability of the contact between the pantograph and catenary.
Shiwang Liu, Long Yu, Dongkai Zhang
exaly +3 more sources
Large-Scale Laboratory Experiments on Mussel Dropper Lines in Ocean Surface Waves [PDF]
Journal of Marine Science and Engineering, 2020 The rapid growth of marine aquaculture around the world accentuates issues of sustainability and environmental impacts of large-scale farming systems. One potential mitigation strategy is to relocate to more energetic offshore locations.
Rebekka Gieschen +5 more
doaj +2 more sources