Sierra Space Corporation

Jesse Morgan Warrick

Martin Chiaverini

Brian Richard Pomeroy

Nicholas Ryan Walker

William Zach Hallum

Various embodiments of a vortex hybrid motor are described herein. In some embodiments, the vortex hybrid motor may include a housing with a solid propellant positioned within the housing, and an injector ring positioned at a proximal end of the housing. The injector ring can include a plurality of angled injector units each including a first injector and a second injector angled towards an impingement point. A first fluid stream of a liquid propellant dispensed from the first injector can collide with a second fluid stream of the liquid propellant dispensed from the second injector to atomize the liquid propellant and form a spray fan formation. At least one of the first injector and the second injector can be positioned at an injection angle relative to the sidewall to create a swirl flow of the atomized injector fluid.

Liquid propellant injector for vortex hybrid rocket motor

Various embodiments of a vortex hybrid motor system are described herein. In some embodiments, the vortex hybrid motor system can include a control system, a vortex hybrid motor, and an oxidizer injector. The oxidizer injector can be in fluid communication with a combustion zone defined by a fuel core and/or housing of the vortex hybrid motor. In some embodiments, at least one material regression sensor can be positioned along the fuel core and sensed data from the material regression sensors can be provided to the control system for determining one or more characteristics associated with the fuel core. The control system can control, based on the analyzed sensed data, the oxidizer injector for modulating an oxidizer flow rate delivered to the combustion zone to achieve a desired oxidizer-to-fuel ratio.

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Broomfield, CO, United States of America

Jesse Morgan Warrick