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Deployable Thermoelectric Metamaterial Energy Harvesting Monitoring System

PM: Scott Jensen
Fiscal Year: 2015
Status: Completed
Deployable Thermoelectric Metamaterial Monitoring Unit
This project focused on taking a prototype energy harvester and making it available for use within the harsh explosive environments throughout the Stennis Space Center's ground propulsion test facilities.

Deployable thermoelectric metamaterial monitoring unit

Realizing Practical Nitinol Locomotion

PM: Scott Jensen
Fiscal Year: 2015
Status: Completed
Nitinol Testing Apparatus
The purpose of this project was to construct a lightweight, power efficient, remote control, miniaturized crawler for retrieving and shelving stored items by utilizing an advanced nitinol wire locomotion device that incorporates a novel cooling mechanism. This kind of device has practical applicability for accessing and transporting hardware components used throughout the ground propulsion test facilities. Nitinol wires are unique nickel-titanium alloys that shorten in length when heated, and can lift thousands of times their own weight with forces over 50 tons per square inch.

Nitinol locomotion testing apparatus

Development & Validation of Propellant Detonation and Propagation Modeling

PM: Danny Allgood
Fiscal Year: 2015
Status: Completed
Prediction of LOX/GH2 Rocket Diffuser Detonation Event at NASA-SSC
Testing of chemical rocket propulsion systems involves the potential for high-energy explosions due to the delayed ignition of propellant flows. The ability to predict these blast environments is critical to the safety of the test/launch facility. The technology developed and demonstrated in this project provides a validated engineering tool and methodologies to be used by NASA centers for predicting potential propellant detonation events during rocket testing or launch programs. Furthermore, this project enabled a stronger foundational understanding of the necessary finite-rate chemistry models to accurately predict high-speed deflagrations, deflagration-to-detonation transition, as well as two-phase cryogenic propellant detonations.

3D deflagration-to-detonation-transition event caused by spiral geometry inside a pulse detonation engine during testing at SSC

Large Propellant Tank Cryo-Cooler Demonstration (LPTC)

PM: Jody Woods
Fiscal Year: 2015
Status: Incomplete
Large Propellant Cryo-Cooler Demonstration
The focus of this project was to develop a design concept that utilizes off the grid electricity or solar energy to power scalable commercially off-the-shelf cryogenic-cooler technology required for test and launch facility cryo-storage tanks. The LPTC is a system that uses either electricity or solar energy to drive a heat engine that continuously removes the heat that naturally leaks into a cryogenic propellant storage tank from its ambient environment. If developed this technology would have saved money associated with the operation, maintenance and ground operations of launch facilities.

Large propellant cryo-cooler concept

Gas House Autonomous System Monitoring

PM: Fernando Figueroa
Fiscal Year: 2015
Status: Completed
GHASM - Autonomous Control Process
The objective of this project was to develop an autonomous monitoring system capable of assessing the condition of every element in the system, continuously and comprehensively. The Gas House Autonomous System Monitoring (GHASM) is an intelligent knowledge based system drawing inferences and conclusions on the state of system elements i.e., sensors, valves. GHASM will be integrated across systems and subsystems to implement functional capabilities of an Integrated System Health Management. These capabilities include (1) anomaly detection, (2) diagnostics, (3) prognostics, and (4) user interfaces to provide the operator with an integrated awareness about the system's health.

GHASM - autonomous control process

Robust Test Stand Operations through Next-Gen Real-time Analysis of Operations Anomalies

PM: Harry Ryan
Fiscal Year: 2015
Status: Complete
A-1 Test Stand
The intent of this project was to develop a revolutionary rocket propulsion test operations analysis environment that expanded the scope and depth of critical knowledge available for operations performance definition, health management, and diagnostics. The project was going to integrate existing, standalone system analysis models with a proprietary integrated system health management platform from Model Software Corporation (MSC) which was designed to substantially minimize the system development expense, maintenance costs and significantly expand the situational awareness and real-time diagnostics potential. Unfortunately MSC, the commercial partner in this project, was unable to integrate NASA's test program with its own proprietary software to develop a response database in a simulated real-time environment.

Robust test stand project attempted to improve operations at the A-1 test stand

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