Thrust Control Method and Technology of Variable-Thrust Liquid Engine for Reusable Launch Rocket

Adaptive Pressure Control for Use in Variable-Thrust Rocket Development

Umit Poyraz Roketsan INC., Ankara, Turkey Abstract The precise control of gas generator pressure is important to obtain variable thrust in ducted rockets. A delay resistant closed loop reference model adaptive control is proposed in this paper to address this problem. The proposed controller combines delay compensation and adaptation with improved transient response. The controller is successfu...

A Reusable Rocket Engine Intelligent Control

Differential Quadrature Method for the Analysis of Hydrodynamic Thrust Bearings

This paper presents the application of the method of generalized differential quadrature (GDQ) for the analysis of hydrodynamic thrust bearings. GDQ is a simple, efficient, high-order numerical technique and it uses the information on all grid points to approach the derivatives of the unknown function. The effectiveness of the solution technique is verified by comparing the GDQ computed results...

aerodynamic design algorithm of liquid injection thrust vector control

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Analytical Models for the Thrust of a Rotating Detonation Engine

Twomodels are proposed for rotating detonation engine performance. The first model is motivated bymodels of pulse detonation engine performance which are based on the pressure-time history within the detonation tube. The present work extends those ideas to treat rotating detonation engines with a control volume analysis that considers the forces within the combustion chamber. The key scaling pa...