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 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 +4 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
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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
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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
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
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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 A 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
Mussel Culture Farming Systems in the Northern Gargano Coast (Adriatic Sea): Changes in the Nutritional Profile of the Mytilus galloprovincialis [PDF]
FoodsThe objective of this study was to investigate the nutritional characteristics of Mytilus galloprovincialis cultivated in three sites of the Northern Coastal Area of Gargano.
Antonella della Malva +6 more
doaj +2 more sources
Suppression of Railway Catenary Galloping Based on Structural Parameters’ Optimization [PDF]
SensorsRailway catenary galloping, induced by aerodynamic instability, poses a significant threat by disrupting the electric current connection through sliding contact with the contact wire.
Yuhui Liu +3 more
doaj +2 more sources