[home] [Personal Program] [Help]

---

Session: PIV/PTV methods and applications III
Session starts: Thursday 06 November, 09:40
Presentation starts: 09:40
Room: Lecture room A

---

Guang Chang (AVIC Aerodynamics Research Institute)
Hongjie Zhong (AVIC Aerodynamics Research Institute)
Guannan Men (AVIC Aerodynamics Research Institute)

Abstract:
To address the testing requirements for the internal flow fields in scramjet engines, a combustion mode identification method based on particle image velocimetry (PIV) technology was developed, employing aluminum oxide powder as tracer particles with a high-frequency pulsed laser and high-speed camera serving as the excitation source and detector respectively, enabling measurements of both transient and time-averaged velocity field distributions in different combustion modes within the scramjet engine. Experimental results demonstrated that the airflow Mach number at the engine inlet could be derived from the inflow total temperature combined with PIV measurements, achieving reliable combustion mode identification whose accuracy was validated by conventional pressure-based recognition methodologies.