Multi-Objective Multi-Variable Large-Size Fan Aerodynamic Optimization by Using Multi-Model Ensemble Optimization Algorithm

Xiong, Jin; Guo, Penghua; Li, Jingyin

doi:10.1007/s11630-024-1949-5

J. Therm. Sci.

2024

DOI: 10.1007/s11630-024-1949-5

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Multi-Objective Multi-Variable Large-Size Fan Aerodynamic Optimization by Using Multi-Model Ensemble Optimization Algorithm

Jin Xiong,

Penghua Guo,

Jingyin Li

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Cited by 2 publications

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A multi-objective optimization model to maximize cattle weight-gain in rotational grazing

García,

Jiménez,

Aguilar

2024

Int. j. inf. tecnol.

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A multi-objective optimization model to maximize cattle weight-gain in rotational grazing

García,

Jiménez,

Aguilar

2024

Int. j. inf. tecnol.

View full text Add to dashboard Cite

Transmission Loss Characteristics of Dual Cavity Impedance Composite Mufflers for Non-Planar Wave Cavity Resonance

Huang,

Yan,

Zhang

et al. 2024

Applied Sciences

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In conventional gasoline automobiles, the engine powers the air conditioning system and engine noise can somewhat mask the noise and vibration of the air conditioning system. In pure electric vehicles, however, the absence of an engine makes the air conditioning system’s noise more noticeable, concentrated in a limited frequency range at constant speeds. As a result, aerodynamic noise from the air conditioning system is a primary noise source in electric vehicles. Pipeline silencers are the main method for reducing this noise. The current silencer design uses plane wave acoustic theory but when cavity modal resonance occurs, the transmission loss error is relatively high. This article addresses the issue of non-planar wave cavity resonance, studying the cavity modal of a muffler using the finite element method to reveal the transmission loss under cavity mode resonance. A dual cavity expansion structure of an impedance composite muffler is proposed, with sound-absorbing materials placed in the cavity to enhance acoustic performance. The analysis of the transmission loss characteristics of the impedance composite muffler provides a theoretical basis for noise control in pure electric vehicle air conditioning systems.

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Multi-Objective Multi-Variable Large-Size Fan Aerodynamic Optimization by Using Multi-Model Ensemble Optimization Algorithm

Cited by 2 publications

References 47 publications

A multi-objective optimization model to maximize cattle weight-gain in rotational grazing

A multi-objective optimization model to maximize cattle weight-gain in rotational grazing

Transmission Loss Characteristics of Dual Cavity Impedance Composite Mufflers for Non-Planar Wave Cavity Resonance

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