研究流动诱导噪声、气动声学机理及声涡旋相关基础物理问题，探索类黑洞超辐射、极端特殊声场等前沿物理现象与应用潜力。

发表论文：

1 Lianyun Liu, Yue Han, Xu Zheng, Yi Qiu. "Observation of the extreme Doppler shift of acoustic rotating waves in the time domain." Journal of Applied Physics, 130 (2021) 234904.

2  Lianyun Liu, Xiaojie Cheng, Xu Zheng, Yi Qiu, Zhiyong Hao. "Experimental and numerical study of the rotational Doppler shift in acoustic waves using static microphones." Physics of Fluids, 34 (2022) 047109.

3 Lianyun Liu, Yong Yu, Junlun Hu, Xu Zheng, Yi Qiu, Zhiyong Hao. "Experimental study of acoustic superradiance from a rotating absorber." Journal of Applied Physics, 131 (2022) 164901.

4. L. Liu, and Z. Chu. Amplification of acoustic orbital angular momentum from non-absorbent impellers[J]. Journal of Applied Physics, 2024, 136(9): 094902.

5. L. Liu, and Z. Chu. Detection of acoustic vortex generation from rotors using a virtual rotating receiver method[J]. Applied Acoustics, 2025, 239: 110870.

6. L. Liu, and Z. Chu. Self-stimulated rotational superradiance in a coaxial twin rotor system[J]. Physics of Fluids, 2025, 37(5).

发明专利：

1. 一种基于多通道最小二乘法的封闭式涡旋声束扳手