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Nick van der Geest, Lorenzo Garcia, Roy Nates and Fraser Borrett
Sea turtles gracefully navigate their marine environments by flapping their pectoral flippers in an elegant routine to produce the required hydrodynamic forces required for locomotion. The propulsion of sea turtles has been shown to occur for approximate...
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Marco Altosole, Silvia Donnarumma, Valentina Spagnolo and Stefano Vignolo
The importance of mathematical and numerical simulation in marine engineering is growing together with the complexity of the designed systems. In general, simulation a makes it possible to improve the engineering design, reducing working time and costs o...
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Nick van der Geest, Lorenzo Garcia, Roy Nates and Alberto Gonzalez-Vazquez
Sea turtles are recognised as one of the ocean?s most remarkable migratory species, accomplishing journeys that cover thousands of kilometres. This fact is even more extraordinary when considering sea turtles consume mostly low-energy foods. The biology ...
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Dimitris Ntouras, George Papadakis and Kostas Belibassakis
Flapping foils for augmenting thrust production have drawn attention as a means of assisting ship propulsion in waves due to their high efficiency rate compared to traditional screw propellers. However, they can also offer substantial resistance reductio...
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Emanuel A. R. Camacho, Fernando M. S. P. Neves, André R. R. Silva and Jorge M. M. Barata
Natural flight has consistently been the wellspring of many creative minds, yet recreating the propulsive systems of natural flyers is quite hard and challenging. Regarding propulsive systems design, biomimetics offers a wide variety of solutions that ca...
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Yeming Lu, Haoran Liu, Xiaofang Wang and Hui Wang
Due to the higher propulsive efficiency, lesser vibration, and better maneuverability, the water jet pump is widely applied to high-speed underwater vehicles. By taking a newly developed water jet pump system as the object, the corresponding underwater v...
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Hugonnaud Valentin and Mazouffre Stéphane
Over the last decade electric propulsion devices have evolved from laboratory units to qualified space hardware. Due to the diversity of concepts numerous electric thruster technologies are available on the new space market. Each technology has a specifi...
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Lugo-Méndez Helen, Castro-Hernández Sergio, Salazar-Pereyra Martín, Valencia-López Javier, Torres-González Edgar Vicente and Lugo-Leyte Raúl
The kinetic energy produced by a turbofan engine is inseparable from the unavoidable generation of waste heat dissipated into the environment and the chemical exergy of exhaust gases. However, exergoeconomic cost analyses of these propulsion systems have...
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Che-Pin Chen and Mao-Hsiung Chiang
This research developed a novel proportional pressure control valve for an automobile hydraulic braking actuator. It also analyzed and simulated solenoid force of the control valves, and the pressure relief capability test of electromagnetic thrust with ...
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Thomas Lambert, Norizham Abdul Razak and Grigorios Dimitriadis
Flapping flight is an increasingly popular area of research, with applications to micro-unmanned air vehicles and animal flight biomechanics. Fast, but accurate methods for predicting the aerodynamic loads acting on flapping wings are of interest for des...
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