Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Aerospace Propulsion"”.
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Turbulent Flows Simulation in Aerospace Propulsion Systems through a Discontinuous Galerkin Solver: Shifted Boundary Method and Mixed Averaging Procedures
L'abstract è presente nell'allegato / the abstract is in the attachment
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Metamorphosis of business strategies and Air Force acquisition policies in the aerospace propulsion industry : case study of the "Great Engine War"
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1987.
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THERMAL MANAGEMENT OF ROTATING DETONATION ENGINES
… viability, particularly in relation to aerospace propulsion and power generation systems. One of the major outstanding barriers towards realizing practical RDEs is the issue of intensive heating of the combustor walls. This thesis has aimed to present an effective thermal management …
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Functional Polymer Composites for Clinical and Engineering Challenges
… potential improvements for technologies spanning aerospace propulsion, neurosurgery, and infectious disease prevention. The first half of the dissertation (Chapters 2–5) focuses on the synthesis and control of flexible, rubber-like polymers for high-resolution 3D printing, inspired by the widely …
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Design and flow characterization of an indraft supersonic wind tunnel for scramjet testing
… platform for studying airbreathing hypersonic propulsion systems. Problems of interest include design of isolators, fuel injection systems, ignition and flame stabilization, shock-boundary layer interaction, and aero-thermo-elastic interactions in scramjet vehicles. An indraft-type tunnel was …
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Development of an aerodynamic/RCS framework for the preliminary design of a hypersonic aircraft
… pushes the envelope of current state-ofthe-art aerospace propulsion and materials technology. Therefore, these aircraft are highly integrated to produce adequate thrust, reduce drag, and limit surface heating. Consequently, every aircraft component (e.g., wings, fuselage, propulsion system) is …
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Materials for High Temperature Thin Film Thermocouple Applications
… high temperature applications such as advanced aerospace propulsion systems and diesel engine systems are expected to perform in rapidly fluctuating and extremely high heat fluxes corresponding to high temperatures (in excess of 1400 K) and high speed flows. Traditionally, Pt/Pt-Rh based thin …
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Novel Gel-Infused Additively Manufactured Hybrid Rocket Solid Fuels
In the aerospace propulsion sector safety is an important driver to costs, vehicle design and mission capabilities. Hybrid rockets are considered some of the safest forms of chemical propulsion. That factor alone makes hybrid rocket propulsion systems desirable options. Hybrid systems often benefit …
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Acoustic Transfer Functions Derived from Finite Element Modeling for Thermoacoustic Stability Predictions of Gas Turbine Engines
… instabilities is a major challenge in aerospace propulsion and the operation of power generating gas turbine engines. This is a complex problem in which multiple physical systems couple together. Traditionally, thermoacoustic models can be reduced to dominant physics which depend only …
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An Experimental Investigation of Ejector Ramjet Performance at Static Conditions
The performance of a methane-fueled ejector ramjet (ERJ) equipped with the Atlantis Intake System (AIS) was tested at static conditions. For static tests with no forward velocity, the AIS ERJ successfully entrained and mixed the stagnant surrounding air to create a stoichiometric mixture of 17.2 …
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Transient antenna-plasma interaction in inductive plasma thrusters
… flexibility. In contrast with conventional space propulsion technologies, inductive coupling can deliver energy to a propellant without direct contact, making it a form of electrodeless electric propulsion. This can increase its lifetime and enable a more flexible propellant choice in terms of …
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Numerical Simulation and Inverse Design of Solid Rocket Motors with Non Uniform Ballistic Properties
L'abstract è presente nell'allegato / the abstract is in the attachment