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Full-Text Articles in Mechanical Engineering
Flame Synthesis Of Iron Oxide Nanowires For Direct Coal Chemical Looping Combustion, And Tungsten Oxide Nanowires For Enhanced Photoelectrochemical Water Splitting, Pratap Rao
Link Foundation Energy Fellowship Reports
The applications of metal oxide NWs are limited because conventional synthesis methods cannot achieve the scalable, rapid, controllable and economical synthesis of high-quality metal oxide NWs. In the present work, two novel methods for the flame synthesis of metal oxide NWs are developed, and the resulting nanowires tested for two promising, emerging energy conversion technologies: 1) Direct Coal Chemical Looping Combustion, and 2) Photoelectrochemical watersplitting. These synthesis methods are rapid, atmospheric, controllable and scalable, result in highly pure and crystalline materials, and could greatly extend the applicability of metal oxide nanowires to largescale energy conversion and storage problems.
Re-Evaluation Of Resistance Prediction For High-Speed Round Bilge Hull Forms, Jae Won
Re-Evaluation Of Resistance Prediction For High-Speed Round Bilge Hull Forms, Jae Won
Theses and Dissertations
Predicting the resistance of a high-speed monohull has been of interest to Naval Architects for several decades. Even though considerable amount of research has been carried out in this area, there remains a degree of uncertainty in the accurate resistance prediction in the early design stage. This research thesis attempts to investigate a method for enhancing the accuracy of resistance prediction methods for high-speed round-bilge monohull form vessels for a wide range of volumetric Froude numbers (Fn). While a number of systematic series are in existence, their data are either not readily available or scattered in various internal reports and …
Underwater Object Detection And Identification Using Distributed Pressure Sensors, Audrey Maertens
Underwater Object Detection And Identification Using Distributed Pressure Sensors, Audrey Maertens
Link Foundation Ocean Engineering and Instrumentation Fellowship Reports
Underwater vision is usually limited. Object detection and identification is therefore one of the main challenges of underwater navigation. A new sensing modality, specifically developed for underwater environments, would greatly increase the scope of underwater missions. Taking inspiration from the lateral line of fish, I believe that pressure sensing can be a viable alternative to vision in order to detect and identify obstacles. Recent advances in the area of micro-engineering will soon enable to build sensors that match the size and mimic the functions and organization of the lateral line. However, little is known about how the pressure distribution along …