Table of Contents
Aerospace, Volume 6, Issue 6 (June 2019) – 14 articles
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Cover Story (view full-size image) Altering-intensity swirling-oxidizer-flow-type engines use a combination of controlled axial and [...] Read more. Altering-intensity swirling-oxidizer-flow-type engines use a combination of controlled axial and radial oxidizer injections to overcome the natural oxidizer to fuel ratio shift that occurs in hybrid motors. These engines are theoretically capable of managing both the thrust and the oxidizer to fuel ratio independently and instantaneously by using a feedback control loop. However, they require instantaneous and precise in-flight thrust and oxidizer to fuel ratio measurements as well as an adapted feedback control law. In this paper, we study the effect of measurement errors on engine control, and we propose a regulation law for such engines considering the use of resistor-based sensors for fuel regression rate measurements. View this paper.