A Mathematical and Numerical Model for the Analysis of Hybrid Rocket Motors
Journal Title: INCAS BULLETIN - Year 2011, Vol 3, Issue 4
Abstract
The hybrid rocket motors (HRM) use a two-phase propellant system. This offers some remarkable advantages but also arises some difficulties like the neutralization of their instabilities. The non-acoustic combustion instabilities are high-amplitude pressure oscillations that have too low frequencies to be associated with acoustics. Acoustic type combustion instabilities are self-excited oscillations generated by the interaction between acoustic waves and combustion. The goal of the present work is to develop a simplified model of the coupling of the hybrid combustion process with the complete unsteady flow, starting from the combustion port and ending with the nozzle. This model must be useful for transient and stability analysis and also for scaling of HRMs. The numerical results obtained with our model show a good agreement with published experimental and numerical results. The computational and stability analysis models developed in this work are simple, computationally efficient and offer the advantage of taking into account a large number of functional and constructive parameters that are used by the engineers.
Authors and Affiliations
Marius STOIA-DJESKA, Florin MINGIREANU
Keywords
Related Articles
- EP ID EP103065
- DOI 10.13111/2066-8201.2011.3.4.11
- Views 86
- Downloads 0
Turboprop Engine Nacelle Optimization for Flight Increased Safety and Pollution Reduction
Commuter airplanes defined in CS-23 as being propeller driven, twin-engine, nineteen seats and maximum certified take-off weight of 8618 Kg had lately a special development due to advantages of turboprop engine compared...
Electromagnetic, flow and thermal study of a miniature planar spiral transformer with planar, spiral windings
This paper presents mathematical modeling and numerical simulation results for a miniature, planar, spiral transformer (MPST) fabricated in micro-electromechanical MEMS technology. When the MPST is magnetic nanofluid cor...
Drop dispensing in a viscous outer liquid
The formation and detachment of Newtonian drops in viscous external liquids is investigated. A global analysis of two necking processes is presented in order to highlight the behavior of such thinning phenomena, when con...
Parachute systems for the atmospheric reentry of launcher upper stages
Parachute systems can be used to control the reentry trajectory of launcher upper stages, in order to lower the risks to the population or facilitate the retrieval of the stage. Several types of parachutes deployed at su...
Book Review: European Air Power: Challenges and Opportunities By Henrik R. Dam (Author), John Andreas Olsen (Editor), Jostein Gronflaten (Preface) Publisher: Potomac Books, United States of America, 2014 ISBN-10: 1612346812; ISBN-13: 978-1612346816