Pressure, Ion Probe, and Flow-Visualization Measurements in Inside-injector Rotating Detonation Engines
Abstract
According to the present severe competition in the space development, it is urgent to realize more powerful, reliable, and low-cost engines. One important next generation candidate for the propulsion engine is detonation engine (DE), for which we apply the technology of a hypersonic-propagation-velocity detonation wave to achieve higher thermal-efficiency cycle and specific thrust than conventional jet and rocket engines. Especially, one type in DE is a rotating detonation engine (RDE) which has a simple double-cylinder structure with continuous detonation propagation with specific feature that the detonation initiation is necessary only once when the engine starts. Up to the present, the process of detonation has not yet been visualized and analysed in detail to be able to brush up the machine. Therefore, in this project research we will first try to detect and visualize this ultra-fast detonation wave process and flow field using a high speed camera experimentally, by setting the necessary test bench to successfully achieve the level to be able to improve the machine structure and operation of RDE. The burning process itself in the DE has also not yet been analysed from the basic quantum mechanical treatment. We will try to understand the RDE burning process using the time dependent density functional theory approach, which keeps the electronic states at the equilibrium temperature throughout the chemical reaction.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Nov 16, 2022
- Source ID
- FA23862114024
Entities
People
- Yoshiyuki Kawazoe
Organizations
- Air Force Office of Scientific Research
- United States Air Force