Pulse-detonation study by diagnostic optical techniques

• Grant number: 08/10548-5
• Support Opportunities: Regular Research Grants
• Start date: December 01, 2009
• End date: August 31, 2012
• Field of knowledge: Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
• Principal Investigator: Carla Simone Tafuri Marques
• Grantee: Carla Simone Tafuri Marques
• Host Institution: Instituto de Estudos Avançados (IEAv). Departamento de Ciência e Tecnologia Aeroespacial (DCTA). Ministério da Defesa (Brasil). São José dos Campos , SP, Brazil

Abstract

Pulse detonation engines (PDE) have been recently recognized as new propulsion technology devices, which have potential application to the subsonic, supersonic and hypersonic flight regime. There are several applications for this devices, the most promising is related to the hypersonic scramjet (supersonic combustion ram jet) engine development. In this work, a pulse detonation system with similar features as PDE will be build. The aim is the study of the detonation process through diagnostic techniques. At first, the experimental conditions next to those at flight Mach number lower or equal to 6 will be investigated. The methodologies time-resolved spectroscopic emission measurements from OH* and H2O* species with vibrational resolution and pressure changes as function of detonation front propagation and detonation wave expansion in the test chamber will be employed. Hence, it will be possible to characterize and evaluate the pulse detonation system in the study conditions allowing establish correlations with engines in supersonic to hypersonic flight regime. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

LOPES, NATHAN C.; KATATA, CARLOS C. B.; MARQUES, CARLA S. T.. Diagnostic method based on spontaneous emission to evaluate the detonation cycle. EXPERIMENTAL THERMAL AND FLUID SCIENCE, v. 102, p. 261-270, APR 2019. (08/10548-5)