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Propulsion

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Briefs: Propulsion
Burnable-Poison-Operated Reactor Using Gadolinium Loaded Alloy

The problem to be resolved in this work was the use of radial control drums as the sole active reactivity control system for nuclear thermal propulsion, which results in significant...

Briefs: Propulsion
An On-Demand Gas Generator for CubeSat or Low-Mass Propulsion Systems

NASA’s Jet Propulsion Laboratory, Pasadena, California

There are difficulties related to storing enough gas to propel a CubeSat within an onboard tank. Currently, a...

Briefs: Propulsion
Suppression of Unwanted Noise and Howl in a Test Configuration Where Jet Exhaust is Discharged Into a Duct

John H. Glenn Research Center, Cleveland, Ohio

This technology is based on a model-scale experiment simulating a test facility where...

Briefs: Aerospace
Reynolds-Averaged Navier-Stokes Integration for Shock Noise (RISN)

Reynolds-averaged Navier-Stokes (RANS) Integration for Shock- Noise (RISN) is a computer program that evaluates acoustic analogies to predict jet noise. Jet noise is due to...

Briefs: Aerospace
Regeneratively Cooled Porous Media Jacket

A non-toxic nitrous oxide fuel blend (NOFB) monopropellant with a high adiabatic flame temperature reaching and probably exceeding 3,450 K and a very high thermal decomposition limit (>390 °C) is under...

Briefs: Propulsion
Multi-Pulse Motor (MPM) Designed for Use with Electric Solid Propellants

The multi-pulse motor is a solid-propellant rocket motor that is able to produce a number of pulses for various thrust levels (5 to 30 pulses and thrusts between 0.25 and 1.5...

Briefs: Propulsion
Adaptive Augmenting Control

Marshall Space Flight Center, Alabama

Adaptive augmenting control (AAC) is a forward gain, multiplicative adaptive algorithm for launch vehicle flight control that meets three summary-level design objectives: Do...

Briefs: Mechanical & Fluid Systems
Pyramid Micro-Electrofluidic-Spray Propulsion Thruster with Integrated Attitude and Thrust Vector Control

NASA’s Jet Propulsion Laboratory, Pasadena, California

A micro-electrofluidic-spray propulsion (MEP) system was built on a micro...

Products: Propulsion
Servo Drive

Elmo Motion Control (Nashua, NH) offers the NANO Gold Twitter servo drive that delivers up to 4000 Watts of qualitative power, current up to 50A at 100VDC, and up to 15A/200V with advanced servo capabilities and support for EtherCAT or...

Briefs: Motion Control
Evaluation of Rail Gun Technology for Launch Assist of Air-Breathing Rockets

John F. Kennedy Space Center, Florida

A prototype horizontal electromagnetic rail launcher has been demonstrated along with a corresponding theory. This system...

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