Wind resistance braking effect evaluation method for high-speed train provided with wind resistance braking device

Wind resistance braking effect evaluation method for high-speed train provided with wind resistance braking device

The invention relates to the field of high-speed train aerodynamics and train wind resistance braking, in particular to a wind resistance braking effect evaluation method for a high-speed train with a wind resistance braking device. The method comprises the following steps: assembling different numb...

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Hauptverfasser: XIE HONGTAI, WANG HONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator XIE HONGTAI
WANG HONG
description The invention relates to the field of high-speed train aerodynamics and train wind resistance braking, in particular to a wind resistance braking effect evaluation method for a high-speed train with a wind resistance braking device. The method comprises the following steps: assembling different numbers of alternative wind resistance braking device prototypes by taking the streamline shape of a train body of a Chinese standard motor train unit and the configuration of a basic braking system as reference, establishing a Reynolds time-average train aerodynamic turbulence calculation model, and simulating and calculating the aerodynamic characteristics of a high-speed train assembled with the wind resistance braking device under different working conditions; on the basis of a train braking operation equation, a direct integral method resolving method suitable for the wind resistance braking problem is provided, a train is braked and stopped purely depending on a wind resistance braking device under a certain init
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Wind resistance braking effect evaluation method for high-speed train provided with wind resistance braking device
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