Theses and Dissertations
Wing-embedded, cross-flow-fan, vertical takeoff and landing air vehicle
(Monterey, California: Naval Postgraduate School, 2016-06)
This research demonstrated that a vertical takeoff and landing aircraft capable of transitioning to conventional flight using cross-flow fans is possible. In particular, the design and manufacture of a wing-embedded ...
Development of improved design and 3D printing manufacture of cross-flow fan rotor
(Monterey, California: Naval Postgraduate School, 2016-06)
This study determined the optimum blade stagger angle for a cross-flow fan rotor and evaluated the performance of a 3D printed rotor. Using ANSYS-CFX and SolidWorks, the cross-flow fan was modeled computationally and tested ...
WASTE HEAT RECOVERY FROM GAS TURBINE ENGINE AND CENTRIFUGAL COMPRESSOR VOLUTE DESIGN OPTIMIZATION
(Monterey, CA; Naval Postgraduate School, 2021-12)
As the nation’s top user of energy, the U.S. Department of Defense (DOD) has initiated ways to become more energy efficient. The Naval Postgraduate School contributes to this initiative by studying the possibilities of ...
STEADY STATE MODELING OF WET STEAM IN A PIPING SYSTEM
(Monterey, CA; Naval Postgraduate School, 2022-12)
Current designs for steam piping systems are predicated on conservative deterministic design approaches to prevent the admission of moisture. This design approach may result in excess conservatism and larger, more inefficient ...
VERIFICATION OF ADDITIVE MANUFACTURED PRESSURE DROP COMPONENTS
(Monterey, CA; Naval Postgraduate School, 2021-06)
This research was conducted to verify the use of additive manufacturing in producing pressure drop components inside fluid loops. A design was studied through Computation Fluid Dynamics modeling and produced using different ...
HYDROGEN FUEL OPERATION FOR GAS TURBINE ENGINES
(Monterey, CA; Naval Postgraduate School, 2021-06)
The purpose of this thesis was to operate a gas turbine engine on hydrogen fuel at near full load. Hydrogen fuel is sought after by the Department of the Navy due to its ability to increase energy security and energy ...
WASTE HEAT RECOVERY ANALYSIS OF A GAS TURBINE HEAT EXCHANGER
(Monterey, CA; Naval Postgraduate School, 2021-03)
The U.S. Department of Defense has employed an initiative to become more conservative and efficient regarding uses of energy across all military services. The Naval Postgraduate School supported development toward this ...
NUMERICALLY MODELING FLOODING SUSCEPTIBILITY OF THE UNITED STATES NAVAL ACADEMY
(Monterey, CA; Naval Postgraduate School, 2023-06)
Urban flooding affects many of the world’s low-lying, coastal cities today. Whether induced by prolonged periods of rainfall, storm surge, or river overtopping, these issues pose as a hazard to human life as well as a ...
TRANSIENT MODELING OF TWO-PHASE STEAM IN A PIPING SYSTEM
(Monterey, CA; Naval Postgraduate School, 2023-06)
The characteristics of two-phase steam flows in piping systems under transient conditions are a critical area of research for the Department of the Navy. Simulating these cases is necessary to improve future reactor designs' ...
ADDITIVELY MANUFACTURED SPIRALLY CORRUGATED HEAT EXCHANGER TUBES
(Monterey, CA; Naval Postgraduate School, 2023-09)
The Naval Nuclear Propulsion Program is interested in exploring additive manufacturing (AM) technology to improve system performance, reduce component cost, and expand the vendor base. To support that goal, this study ...
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Hobson, Garth V. (61)
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Mechanical Engineering (61)