Open Access. Powered by Scholars. Published by Universities.®
- Discipline
- Keyword
-
- 3D Printing (1)
- Additive Manufacturing (1)
- Antimatter (1)
- Braided Structure (1)
- CFD (1)
-
- Composite (1)
- Compressible Flow (1)
- Computational fluid dynamics (1)
- DLR scramjet (1)
- Differential Evolution Algorithm (1)
- Fission Rockets (1)
- Helical Springs (1)
- Molten Uranium Reactor (1)
- Nuclear Propulsion (1)
- Nuclear Thermal Propulsion (1)
- Optimization (1)
- Reactor Cooling (1)
- Rocketry (1)
- Selective Laser Sintering (1)
- Solar Sails (1)
- Variable Area Nozzle (1)
Articles 1 - 4 of 4
Full-Text Articles in Aerospace Engineering
Enhancements To Nuclear Thermal Propulsion Rockets, Kimberly Gonzalez
Enhancements To Nuclear Thermal Propulsion Rockets, Kimberly Gonzalez
UNLV Theses, Dissertations, Professional Papers, and Capstones
Nuclear thermal rocket propulsion has been proposed as a highly efficient technology for space vehicles traveling from earth orbit to the moon, Mars, and other locations in the solar system. With twice the performance of a chemical rocket, nuclear thermal propulsion (NTP) uses the thrust produced by heating hydrogen gas within a thermal nuclear reactor where the exhaust is then passed through a de Laval nozzle to produce supersonic flow. NTP engines were the subject ofthe NERVA experiments at the Nevada Test Site in the 1970’s, and they produced a specific impulse of up to 900 seconds which is almost …
Viability Of Energy And Fuel Sources For Interstellar Travel; Design And Feasibility Of The Construction Of Manned Interstellar Space Shuttles, Lukas Mittelman
Viability Of Energy And Fuel Sources For Interstellar Travel; Design And Feasibility Of The Construction Of Manned Interstellar Space Shuttles, Lukas Mittelman
UNLV Theses, Dissertations, Professional Papers, and Capstones
The importance of proving the viability of interstellar transport and addressing its potential hazards and pitfalls is immense. If we do not look toward the future and examine what could be waiting for us, we are doing our children, our children’s children, and so on, a disservice. Here we must attempt to lay the groundwork for our future scientists, engineers, and adventurers. Asking and answering questions like, which propulsion and energy systems must we incorporate to send us through the cosmos? Will we utilize technologies known today, such as fossil fuel rockets, fission or fusion rockets, and antimatter drives (pion …
Fuel Injector Design Of A Hypersonic Jet Engine Using Computational Fluid Dynamics, Melissa Rose Mercado
Fuel Injector Design Of A Hypersonic Jet Engine Using Computational Fluid Dynamics, Melissa Rose Mercado
UNLV Theses, Dissertations, Professional Papers, and Capstones
The development of hypersonic airbreathing engines, such as a supersonic combustion ramjet, or scramjet, are implemented for flight Mach numbers over 5 where combustion must occur in supersonic conditions. The advancement of scramjet propulsion has led to favored usage over rocket propulsion systems for in atmosphere applications due to their lighter weight, higher specific impulse, and greater maneuverability [1]. The combustor section of a scramjet engine houses the fuel injectors. Fuel is injected into the supersonic flow with the main objective of achieving rapid and thorough fuel-air mixing because the residence time in the combustion chamber has a timescale of …
Carbon Fiber Coil Spring Characterization And Manufacturing, Cooper Madrazo
Carbon Fiber Coil Spring Characterization And Manufacturing, Cooper Madrazo
UNLV Theses, Dissertations, Professional Papers, and Capstones
Helical coil springs are used in many mechanical design applications including industrial machines, devices, and vehicle suspension systems. It is desirable to minimize the weight of vehicle suspension systems as this can improve performance and handling. Most vehicle suspension coil springs are made from solid steel alloys or other metallic materials. Significant weight savings could be achieved if the metallic material were replaced by high performance fiber reinforced polymer composites. However, the coil spring geometry is a difficult manufacturing challenge for composite materials. The goal of this thesis was to investigate efficient and low-cost manufacturing methods to produce light-weight polymer …