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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.149 SNIP: 0.16 CiteScore™: 0.29

ISSN Print: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v5.i1-6.360
pages 340-353

ANALYSIS AND TESTING OF FUEL REGRESSION RATE CONTROL IN SOLID FUEL RAMJETS

Deborah Pelosi-Pinhas
Faculty of Aerospace Engineering, Technion - Israel Institute of Technology, 32000 Haifa, Israel
Alon Gany
Sylvia and David IA Fine Rocket Propulsion Center and the Aerothermodynamics Lab, Faculty of Aerospace Engineering, Technion – Israel Institute of Technology, Haifa, 3200003, Israel

ABSTRACT

Analysis of an air-division valve regulation technique for solid fuel ramjet (SFRJ) motors revealed the feasibility for an optimal, constant fuel/air ratio operation over a broad flight envelope. The control of the fuel regression rate is accomplished via regulation of the port to bypass airflow rate ratio. The particular case of a constant port diameter and total air temperature operation was examined experimentally demonstrating a good agreement with the theoretical predictions.


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