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Articles 31 - 33 of 33
Full-Text Articles in Engineering
Preliminary Design Of An Asteroid Hopping Mission, Michael D. Scheppa
Preliminary Design Of An Asteroid Hopping Mission, Michael D. Scheppa
Doctoral Dissertations and Master's Theses
In 2010, NASA announced that its new vision is to support private space launch operations. It is anticipated that this new direction will create the need for new and innovative ideas that push the current boundaries of space exploration and contain the promise of substantial gain, both in research and capital.
The purpose of the study is to plan and estimate the feasibility of a mission to visit a number of near Earth asteroids (NEAs). The mission would take place before the end of the 21st century, and would only use commercially available technology. Throughout the mission design process, while …
Effect Of Thermally Induced Deformation In A Supersonic Combustion Facility, Aditya Ajit Gupte
Effect Of Thermally Induced Deformation In A Supersonic Combustion Facility, Aditya Ajit Gupte
Master's Theses - Daytona Beach
Nastran and ANSYS finite element analysis (FEA) and Wind-US computational fluid dynamics (CFD) solvers are used to simulate the effect of thermal deformation on the reacting flow developing within the University of Virginia (UVa) Supersonic Combustion Facility (SCF). A detailed thermal-structural model is developed to resolve the temperature distribution and the resulting structural deformation taking place within the scramjet engine flowpath. The predicted thermal deformation is used to refine the CFD model and produce a new set of results for direct comparison with experiment during both ramjet and scramjet modes of operation. Improved agreement between CFD and experiment is afforded …
The Effects Of System Reliability And Task Uncertainty On Unmanned Aerial Vehicle Operator Performance Under High Time Pressure, Manuela Jaramillo
The Effects Of System Reliability And Task Uncertainty On Unmanned Aerial Vehicle Operator Performance Under High Time Pressure, Manuela Jaramillo
Master's Theses - Daytona Beach
For many years, the military has understood the value and versatility of Unmanned Aerial Systems (UAS). In the recent years, UASs have sparked the interest of other fields, and in the very near future, they will be introduced into the National Airspace System (NAS). With this inclusion come new concerns. Due to the future wide range applications for UASs, it is important to explore factors, which may affect operator performance. The UAS operator task differs from that of a manned aircraft pilot. An UAS operator does not get the same sensory cues as a pilot and their field of vision …