Numerical study on atomization characteristics of biomimetic evaporation tube in micro turbine engine

Xinming Zhang; Qingyu Zhang; Guowei Li; Jing Hu

doi:10.1016/j.isci.2024.109144

Numerical study on atomization characteristics of biomimetic evaporation tube in micro turbine engine

iScience. 2024 Feb 6;27(3):109144. doi: 10.1016/j.isci.2024.109144. eCollection 2024 Mar 15.

Authors

Xinming Zhang^{1

2

3

4}, Qingyu Zhang^{1

2

5}, Guowei Li^{1

2}, Jing Hu^{1

2}

Affiliations

¹ Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 401120, China.
² School of Mechatronical Engineering, Changchun University of Science and Technology, Changchun 130022, China.
³ School of Mechatronic Engineering and Automation, Foshan University, Foshan 528225, China.
⁴ Precision Machining and Special Machining Innovation Team, Guangdong Education Department, Foshan 528225, China.
⁵ College of Control Science and Engineering, Bohai University, Jinzhou 121013, China.

Abstract

A micro turbine engine's thrust relies on combustion chamber efficiency, closely tied to the design of its evaporation tube. This study thoroughly investigates evaporation and atomization processes within the tube, introducing a pioneering bionic-inspired structure. Integrating a honeycomb sheet into the traditional tube, both configurations undergo a comparative analysis. Results show a direct correlation between elevated air temperatures and reduced fuel droplet diameters, leading to increased fuel evaporation rates. The bionic tube, with a 1mm-thick honeycomb sheet, 0.6 mm aperture diameter, and 3 sheets, significantly improves fuel droplet atomization and evaporation compared to the conventional design. This research holds broader significance in understanding and enhancing micro turbine engine performance.

Keywords: Applied sciences; Materials synthesis.