Theses and Dissertations
Propagation of fire generated smoke in shipboard spaces
(Monterey, California. Naval Postgraduate School, 2000-03-01)
The propagation of fire generated smoke into a shipboard space has been computationally modeled using a commercial code generated by Computational Fluid Dynamics Research Corporation (CFDRC). This study was based on space ...
Optimal fault detection and resolution during maneuvering for Autonomous Underwater Vehicles
(Monterey, California. Naval Postgraduate School, 2000-03)
In order to increase robustness, reliability, and mission success rate, autonomous vehicles must detect debilitating system control faults. Prior model-based observer design for 21UUV was analyzed using actual vehicle ...
The use of neural networks as a method of correlating thermal fluid data to provide useful information on thermal systems
(Monterey, California. Naval Postgraduate School, 2000-06)
A study on the use of neural networks as a method of correlating thermal fluid data to provide useful information on thermal systems was conducted using a neural network code package. Two separate thermal fluid systems ...
The experimental evaluatation of a DGPS Based Navigational System for the ARIES AUV
(Monterey, California. Naval Postgraduate School, 2000-06)
Autonomous Underwater Vehicles (AUV) currently use varying methods for navigation, but incorporating GPS into those methods is becoming a popular technique. This thesis experimentally evaluates the configuration and ...
Propagation of fire generated smoke in shipboard spaces with heat source
(Monterey, California. Naval Postgraduate School, 2000-09)
The propagation of fire generated smoke and heat transfer into a shipboard space has been computationally modeled using a commercial code generated by Computational Fluid Dynamics Research Corporation (CFDRC). The space ...
Inlet distortion generation for a transonic compressor
(Monterey, California. Naval Postgraduate School, 2004-09)
A single-stage transonic research compressor and test rig are to be used to obtain data on the effect of inlet flow distortion on compressor (and therefore engine) stall. Auxiliary injection was examined as a technique for ...
Reactive obstacle avoidance for the REMUS Autonomous Underwater Vehicle utilizing a forward looking sonar
(Monterey California. Naval Postgraduate School, 2006-06)
One day fully autonomous AUV's will no longer require human interactions to complete its missions. To make this a reality, the AUV must be able to safely navigate in unfamiliar environments with unknown obstacles. This ...
Effect of water depth on the underwater wet welding of ferritic steels using austenitic Ni-based alloy electrodes
(Monterey, California. Naval Postgraduate School, 2000-09)
Underwater welding using shielded metal arc welding (SMAW) on US naval Vessels is very attractive because of the ability to effect repairs without costly dry dock expenses. In the past the primary problems with underwater ...
Heat conduction analysis of randomly dispersed singlewalled carbon nanotubes
(Monterey, California. Naval Postgraduate School, 2007-06)
This thesis studies the effective thermal conductivity of randomly oriented, percolated carbon nanotubes. To that end, a multiscale analysis approach was adopted. At the nanoscale, molecular dynamics simulation was performed ...
Friction stir processing of AS-CAST AA5083 Superplastic response
(Monterey, California. Naval Postgraduate School, 2009-06)
Plates of continuously cast AA5083 were subjected to friction stir processing (FSP) by three overlapping plunge and traverses. The FSP used a threaded pin tool with a pin diameter of 3 mm, pin length of 3 mm and a shoulder ...
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Mechanical Engineering (283)