Research on a New Eddy Current-hydrodynamic Hybrid Retarder for Tracked Vehicle

doi:10.3969/j.issn.1000-1093.2018.12.004

Abstract

Abstract: The fast response and high power density for all-speed of auxiliary braking system are required for tracked vehicle, but the existing hydrodynamic retarder can hardly meet the demand. An eddy current-hydrodynamic hybrid retarder (EHR) is presented based on the complementary characteristics of eddy current and hydrodynamic retarter. The speed characteristic of EHR is predicted through numerical simulation. The best braking characteristics were obtained by developing the control strategy of EHR. The result shows that EHR can respond within 0.2 s, depending on the eddy current brake. It mainly relies on the eddy current brake at the rotating speed of less than 600 rpm, and depends on its eddy current and hydrodynamic braking performance at the other rotating speeds. HER may provide 280 kW braking power at 1 000 rpm. Key

Key words: heavytrackedvehicle, auxiliarybrake, eddycurrent-hydrodynamichybridretarder, finiteelementanalysis

CLC Number:

TJ810.3⁺22

TIAN Jin-shan， LI De-sheng， NING Ke-yan， FANG Qing-feng， YE Le-zhi， ZHANG Kai. Research on a New Eddy Current-hydrodynamic Hybrid Retarder for Tracked Vehicle[J]. Acta Armamentarii, 2018, 39(12): 2313-2319.

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第39卷第12期
2018 年12月兵工学报ACTA
ARMAMENTARIIVol.39No.12Dec.2018

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