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Articles 1 - 7 of 7
Full-Text Articles in Other Aerospace Engineering
Astronaut Or Astronot?, David A. Gusis
Astronaut Or Astronot?, David A. Gusis
Ideas: Exhibit Catalog for the Honors College Visiting Scholars Series
As space becomes more and more accessible to the general population, the terminology we used in the past to describe those who trained endlessly to become the pioneers of a new frontier is beginning to lose its meaning. Astronauts like Colonel Richard Covey have earned their title and to bestow it on others who haven't gone through the same training or have paid to visit space as a tourist is wrong. My hope is to provide the necessary background information about what it means to be an Astronaut and provoke thought about preserving the term and creating new terminology for …
Space Architecture Assessment Using System-Of-Systems Methodologies, Liam Durbin, Cesare Guariniello, Daniel Delaurentis
Space Architecture Assessment Using System-Of-Systems Methodologies, Liam Durbin, Cesare Guariniello, Daniel Delaurentis
The Summer Undergraduate Research Fellowship (SURF) Symposium
As technologies in the space exploration community are further developed, mission complexity and the associated risks have become greater. Dozens of complicated system interactions may result in unexpected, potentially dangerous emergent behaviors. Early efforts are underway by NASA to map potential system architectures (collections of systems which fulfill design requirements) for future human space exploration missions. However, current mission complexity requires the determination of emergent behaviors, as well as time requirements, and safety levels of complicated space exploration architectures, which current analysis methods in use cannot address. To that end, a newer technique has been developed—System Operability Dependency Analysis (SODA). …
3d Fe Modelling Of Die Stress And Wear In Non-Isothermal Forging Of Ti–6al–4v Turbine Blade, Shiyuan Luo, Dahu Zhu, Lin Hua, Dongsheng Qian, Sijie Yan
3d Fe Modelling Of Die Stress And Wear In Non-Isothermal Forging Of Ti–6al–4v Turbine Blade, Shiyuan Luo, Dahu Zhu, Lin Hua, Dongsheng Qian, Sijie Yan
The 8th International Conference on Physical and Numerical Simulation of Materials Processing
No abstract provided.
High Strain Rate Experiments Of Energetic Material Binder, Roberto Rangel Mendoza, Michael Harr, Weinong Chen
High Strain Rate Experiments Of Energetic Material Binder, Roberto Rangel Mendoza, Michael Harr, Weinong Chen
The Summer Undergraduate Research Fellowship (SURF) Symposium
Energetic materials, in particular HMX, is widely used in many applications as polymer bonded explosives (PBX) and rocket propellant. However, when damaged, HMX is known to be an unstable substance which renders it a hazardous material and in some cases unreliable. Finding critical mechanical conditions at high rates that render various forms of energetic materials as unreliable would be vital to understand the effects that vibrations and compression forces have on energetic materials. A better understanding would enable the ability to develop improvements in the manufacturing of PBX and rocker propellant. The method utilized to evaluate the mechanical properties of …
Refinement And Validation Of A Real-Time Airborne System For Remotely Sensing Ocean Surface Using Communication Satellite Signals, Benjamin R. Nold, Han Zhang, James L. Garrison
Refinement And Validation Of A Real-Time Airborne System For Remotely Sensing Ocean Surface Using Communication Satellite Signals, Benjamin R. Nold, Han Zhang, James L. Garrison
The Summer Undergraduate Research Fellowship (SURF) Symposium
The ability to remotely sense ocean wave heights and wind speed by measuring the reflected Radio Frequency (RF) signals from the ocean’s surface has been demonstrated in previous research projects. The recording systems for these research projects collected and stored unmodified RF signals and then analyzed the data through post-processing. Several disadvantages to this approach include large requirements for data storage and lengthy post-processing time. To assist in the creation of a suitable platform for an airplane-based application, a new system was designed which features real-time processing of the RF signals. This system captures two RF signals in the 2.4 …
Kinetic Modeling Of Roll To Roll Rfcvd Plasma, Kudzo S. Ahegbebu, Siva Sashank Tholeti, Alina A. Alexeenko
Kinetic Modeling Of Roll To Roll Rfcvd Plasma, Kudzo S. Ahegbebu, Siva Sashank Tholeti, Alina A. Alexeenko
The Summer Undergraduate Research Fellowship (SURF) Symposium
Roll-to-roll radio frequency plasma enhanced chemical vapor deposition (R2R RFCVD) is a technique for large-scale synthesis of high quality graphitic nanopetals. Graphitic nanopetals are petal-like graphene structures with remarkable electrical and mechanical properties with major industrial applications such as microsupercapacitors. RFCVD uses a non-equilibrium plasma with high energy electrons to catalyze chemical reactions, induce the creation of free radicals, and promote otherwise high temperature chemistry in a low temperature environment. Understanding how bulk plasma characteristics (particularly, power and number densities) vary with changing reactor parameters is an important step towards optimizing synthesis techniques. In our present work we use the …
Hot Surface Ignition, Yerbatyr Tursyn, Vikrant Goyal, Alicia Benhidjeb-Carayon, Richard Simmons, Scott Meyer, Jay P. Gore
Hot Surface Ignition, Yerbatyr Tursyn, Vikrant Goyal, Alicia Benhidjeb-Carayon, Richard Simmons, Scott Meyer, Jay P. Gore
The Summer Undergraduate Research Fellowship (SURF) Symposium
Undesirable hot surface ignition of flammable liquids is one of the hazards in ground and air transportation vehicles, which primarily occurs in the engine compartment. In order to evaluate the safety and sustainability of candidate replacement fuels with respect to hot surface ignition, a baseline low lead fuel (Avgas 100 LL) and four experimental unleaded aviation fuels recommended for reciprocating aviation engines were considered. In addition, hot surface ignition properties of the gas turbine fuels Jet-A, JP-8, and JP-5 were measured. A test apparatus capable of providing reproducible data was designed and fabricated to experimentally investigate the hot surface ignition …