基于多重优化的多级盘转子虚拟装配平衡方法

doi:10.7527/S1000-6893.2023.28323

Abstract

Abstract:

A multiple optimization method for virtual assembly balance of multi-disk rotors with multi-speed is proposed to meet the requirement of precise rotor vibration suppression in engine assembly. We establish a simulation model of the multi-disk rotor test rig， through which the virtual assembly is conducted， with known magnitude and phase of the residual unbalance of each stage disk and the original rotor vibration. Taking the residual vibration of each measuring point of the rotor and the overall unbalanced force and moment as the optimization objectives， the multiple optimization algorithm is used to find the optimization scheme of the mounting angle in each stage of the assembled disks. Experiments are performed on the test rig of the three-disk rotor system. The results show that this method can reduce the rotor vibration in a wide speed range with a maximum reduction of 85.75%. This study provides important methodological and technical support for engine rotor assembly.

Key words: multi-disk rotor, virtual assembly, multi-speed, balance, multiple optimization

CLC Number:

V231

Yulin GUO, Fengyu YANG, Jianfei YAO, Shiwen JIAO, Zeliang ZHANG. Multiple optimization based virtual assembly balance of multi-disk rotors considering multi-speed[J]. Acta Aeronautica et Astronautica Sinica, 2024, 45(4): 628323-628323.

Figures/Tables 10

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References 24

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项目	参数	数值
轴	材料	Gcr15
	直径/m	0.01
	长度/m	0.5
	密度/（kg·m^-3）	7 810
	弹性模量/（N·m^-2）	2.08×10¹¹
	泊松比	0.3
盘	内径/m	0.01
	外径/m	0.08
	厚度/m	0.008
	材料	Al
	质量/kg	0.12
轴承	轴承直径/m	0.01
	间隙/m	1×10^-5
	宽度/m	0.025
	轴承间距/m	0.42
润滑油	牌号	32#
	密度/（g·CC^-1）	0.88
	粘度/cP	32.5

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Multiple optimization based virtual assembly balance of multi-disk rotors considering multi-speed

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