非满充液体共振强化管外对流传热特性

屈晓航; 齐晓霓

doi:10.21656/1000-0887.460183

非满充液体共振强化管外对流传热特性

doi: 10.21656/1000-0887.460183

屈晓航,
齐晓霓^,

山东理工大学交通与车辆工程学院，山东淄博 255000

基金项目:

国家自然科学基金(52276157；12572331)

详细信息

作者简介:
屈晓航（1989—），男，教授，博士生导师（E-mail: quxiaohang@outlook.com）;齐晓霓（1974—），女，教授，博士生导师（通信作者. E-mail: bmjw@163.com）.

通讯作者:
齐晓霓（1974—），女，教授，博士生导师(通信作者. E-mail: bmjw@163.com_.

中图分类号: TK124|O353
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出版历程
- 收稿日期: 2025-10-09
- 修回日期: 2026-09-07
- 网络出版日期: 2026-10-31

Outside-Tube Convective Heat Transfer Enhancement by Partially Filled Liquid Resonance

Qu Xiaohang,
Qi Xiaoni^,

School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo, Shandong 255000, P.R. China

Funds:

The National Science Foundation of China(52276157；12572331)

摘要

摘要: 换热器中非满充液相的晃动可显著提高液相与换热面间的传热速率，而通过适当调节外部激励，非满充液体腔会产生共振，可进一步提高晃动和传热强度本文采用数值计算手段，探讨了容器内液相与外部激励共振时的流动和传热特性，并考察了不同液面填充高度和换热管位置的影响因第一阶自然频率具有最大振幅，研究所涉及的外部激励频率设定在理论第一阶自然频率附近(即0.6f₁到1.4f₁，其中f₁为一阶自然频率)共振状态下，液体晃动最剧烈，相界面结构最复杂，甚至可以冲击容器顶部快速Fourier分析(FFT)表明，液相晃动以激振频率为主，自然频率虽然存在但振幅较小瞬时传热系数具有两个波动频率，分别为激振频率及其两倍共振状态下平均对流换热系数可达自然对流的5倍，且随液面填充高度的升高而减小，随换热管位置的升高而增大同时，共振状态下机械能耗散率最大，且耗散率亦随填充高度的升高而减少，随换热管位置的升高而增加.
- 液相共振 /
- 传热强化 /
- 机械能损失 /
- 液相晃动 /
- 晃动诱导强制对流
Abstract: Liquid sloshing in a partially filled vessel can remarkably improve the heat transfer rate between bulk liquid and surface. Under proper tuning of the external excitation, the liquid resonance will emerge, to further boost the intensity of sloshing and heat transfer. With the numerical method, the flow field of liquid resonance and its effects on the heat transfer under different water filling levels and tube positions were studied. Excitation frequencies from 0.6f₁ to 1.4f₁ were covered, where f₁ is the 1st-order natural frequency and produces the largest amplitude. The liquid sloshes the most violently at the liquid resonance, with complex interface structures formed and even impacting phenomena on the ceiling of the vessel. The fast Fourier transformation (FFT) demonstrates that, the water level sloshes with mainly the excitation frequency, but f₁ always exists with small amplitudes. There are 2 dominant fluctuating frequencies corresponding to the transient heat transfer coefficient (HTC), i.e. the excitation frequency and the double of it. The average HTC can be enhanced by 5 times compared to natural convection, with the maximum enhancement occurring at resonance. The energy dissipation rate also reaches the maximum at liquid resonance. Both the average HTC and the dissipation rate.decrease with the water filling level and increase with the tube mounting height.
- liquid resonance /
- heat transfer enhancement /
- energy dissipation /
- liquid sloshing /
- slosh-induced forced convection

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参考文献(25)

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非满充液体共振强化管外对流传热特性

doi: 10.21656/1000-0887.460183

作者简介:
屈晓航（1989—），男，教授，博士生导师（E-mail: quxiaohang@outlook.com）;齐晓霓（1974—），女，教授，博士生导师（通信作者. E-mail: bmjw@163.com）.

通讯作者:
齐晓霓（1974—），女，教授，博士生导师(通信作者. E-mail: bmjw@163.com_.

计量

Outside-Tube Convective Heat Transfer Enhancement by Partially Filled Liquid Resonance

计量

目录

留言板

非满充液体共振强化管外对流传热特性

doi: 10.21656/1000-0887.460183

作者简介: 屈晓航（1989—），男，教授，博士生导师（E-mail: quxiaohang@outlook.com）;齐晓霓（1974—），女，教授，博士生导师（通信作者. E-mail: bmjw@163.com）.

通讯作者: 齐晓霓（1974—），女，教授，博士生导师(通信作者. E-mail: bmjw@163.com_.

计量

出版历程

Outside-Tube Convective Heat Transfer Enhancement by Partially Filled Liquid Resonance

计量

出版历程

目录

作者简介:
屈晓航（1989—），男，教授，博士生导师（E-mail: quxiaohang@outlook.com）;齐晓霓（1974—），女，教授，博士生导师（通信作者. E-mail: bmjw@163.com）.

通讯作者:
齐晓霓（1974—），女，教授，博士生导师(通信作者. E-mail: bmjw@163.com_.