Numerical research on the effect of synthetic heat jet on the temperature characteristics of airfoil

YANG Shengke; YI Xian; GUO Qiling; LIU Senyun; XIAO Chunhua

doi:10.7638/kqdlxxb-2020.0146

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Numerical research on the effect of synthetic heat jet on the temperature characteristics of airfoil

更新时间：2026-05-28

- Numerical research on the effect of synthetic heat jet on the temperature characteristics of airfoil
- Vol. 40, Issue 2, Pages: 59-66(2022)
- 作者机构：
  
  1. 中国空气动力研究与发展中心结冰与防除冰重点实验室,绵阳,621000
  2. 中国空气动力研究与发展中心空气动力学国家重点实验室,绵阳,621000
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2020.0146
  CLC： V211.3;O358
- Published：2022
- 稿件说明：
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杨升科, 易贤, 郭奇灵, 等. 合成热射流对机翼表面温度特性影响的数值研究[J]. 空气动力学学报, 2022, 40(2): 59−66.

YANG Shengke, YI Xian, GUO Qiling, et al. Numerical research on the effect of synthetic heat jet on the temperature characteristics of airfoil[J]. 2022, 40(2): 59-66.
杨升科, 易贤, 郭奇灵, 等. 合成热射流对机翼表面温度特性影响的数值研究[J]. 空气动力学学报, 2022, 40(2): 59−66. DOI： 10.7638/kqdlxxb-2020.0146

YANG Shengke, YI Xian, GUO Qiling, et al. Numerical research on the effect of synthetic heat jet on the temperature characteristics of airfoil[J]. 2022, 40(2): 59-66. DOI： 10.7638/kqdlxxb-2020.0146.

摘要

为了探究电热与合成热射流耦合防冰过程中合成热射流对机翼表面温度分布的影响，在低速来流条件下，采用数值模拟方法研究了一个周期内合成热射流对机翼表面的加热规律，以及合成射流速度、温度及出口角度等参数对机翼表面温度控制效果的影响。结果表明：相比于无控状态，加入合成热射流能够有效地提升机翼表面的平均温度；提高合成射流的温度能够提升整个机翼表面的温度，但气体的加热效率随温度升高呈降低的趋势；合成射流速度的提升会使沿机翼表面的温度呈先减小后增大的趋势；对于不同角度的射流，采用顺向射流对机翼表面的加热效果优于逆向射流，研究结果可为提升电热与合成射流耦合防冰系统能力提供支撑。

Abstract

To investigate the influence of synthetic hot jets on the surface temperature distribution of airfoils in the hybrid anti-icing process combining thermoelectric systems and synthetic jet actuators

numerical simulations were conducted to study the temperature distribution of airfoils during one cycle of a synthetic hot jet under the condition of low-speed incoming flow. The effects of synthetic jet velocity

temperature

and outlet angle on the airfoil temperature control were studied. Results show that synthetic hot jets can effectively increase the average surface temperature of airfoils compared with uncontrolled states. Increasing the temperature of synthetic jets can increase the temperature of the whole wing surface

but the heating efficiency decreases. The temperature on the wing surface decreases first and then increases with the increase of synthetic jet velocity. For synthetic jets with different angles

the heating effect of forward jets is better than that of backward jets. The results provide support for improving the anti-icing performance of hybrid ice protection systems.

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references

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