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Marine System Engineering, Master's Course
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Marine Mechanical Engineering
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Systems Applied Physics Laboratory
Research laboratory: Systems Applied Physics Laboratory
Program outline: Students construct models for systems applied physics through research ranging from the development of advanced materials for component parts in sea-going vessel and movable ocean body mechanical systems, through to the adaptation of these developments into actual mechanical systems. The models are also constructed through student research on numerical analysis and simulations of physical phenomena that include the above.
Research topics:
(1)  Superconductor engineering in a broad sense, and the development and application of sensor materials
Related instructor(s): Mitsuru IZUMI
Outline: Superconduction (electrical superconduction) enables power loss to be minimized in an electromechanical system that applies the ability of superconduction to reduce electrical resistance to zero even when carrying a large electrical current in the system. Moreover, electromagnet superconductivity allows operators to generate strong magnetic fields using only a low capacity. From the perspective of global environmental preservation and energy saving, experimental research is progressing towards the practical application of superconductivity in such mechanisms as propulsion motors that feature a large torque but a small physical size, in wind-power generators, and in biomagnetic separation systems. Fundamental research is also underway into improving the performance of superconducting materials to complement and interlock with the above research. In this laboratory research is being furthered, for instance, in the following areas: creation of a new complex superconducting magnet that applies the latest advances in nanotechnology; the search for a light induced magnetic material for use as a sensing material in which the magnetic properties will change when subjected to near-infrared light and which possesses a similar structure to high temperature superconducting materials; and research into organic thin films using electron activated molecules that generate organic superconductivity. To further this research, students require a broad integrated knowledge based on physics that covers such areas as materials, electrical engineering and electronics, machinery, heat, and biotechnology, as well as the motivation to build things.
Recent topics in master’s theses: Pulse magnetic properties of opposingly placed bulk high-temperature superconducting magnets.
For information on the daily routine in the research laboratory, visit: http://www.e.kaiyodai.ac.jp/~izumi/index-j.html
(2)  Simulation using computers in parallel
Related instructor(s): Satoshi YOSHIOKA
Outline: Computer simulations now play an important role in the fields of physics and engineering. Simulations are a new method for research that aims to discover new phenomena; they are not intended to solve complex formula that cannot be calculated with pen and paper alone. Parallel computers made up of multiple CPUs are becoming the mainstream platform from which to launch large-scale simulations. Different computational methods to those of the past are required when using parallel computers. In this research students develop these kinds of computational method and simultaneously aim to apply those methods to specific problems (including those in astrophysics and fluid mechanics). Specific topics of research can include simulations of airflows around space planes, aeroplanes, and automobiles, and simulated models of the creation of the galaxy. The laboratory would also like to work on developing a numerical simulation method that uses the recently much-recognized format of grid computing.
Recent topics in master’s theses: Improvements to aid super-compressed fluid computing utilizing CIP
(3)  Research relating to organic thin films and biosensors
Related instructor(s): Hitoshi OHNUKI and Mitsuru IZUMI
Outline:

Along with the increased recognition of safety aspects in foodstuffs and the environment, researchers need to develop a sensor that is able to selectively detect specified chemical substances. Our research focuses on the selective reaction characteristics exhibited by biomolecules and is working toward the development of a sensor that uses those characteristics. For instance the research aims, by fully understanding the signal variations caused by the molecules, to construct a system that is able to monitor such biomedical data as blood glucose concentrations and immunoglobulin concentrations. This is achieved by creating a nano-sized structure incorporating molecules that exhibit selective reaction characteristics within lipid bilayers, the most fundamental structure of biomembranes.
Recent topics in master’s theses: Development of enzymatic biosensors that use organic and inorganic composite LB films
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Figure 1. Rotation test of third prototype superconducting motor for sea-going vessel with liquid nitrogen refrigeration
[ Related instructor(s): Mitsuru IZUMI ]
Figure 2. An illustration of the biosensor principle that is under development. When the target material reaches the membrane sensor interface the biosensor traps and detects the signals generated by embedded molecular functions.
Figure 2. An illustration of the biosensor principle that is under development. When the target material reaches the membrane sensor interface the biosensor traps and detects the signals generated by embedded molecular functions.
[ Related instructor(s): Hitoshi OHNUKI and Mitsuru IZUMI ]
Applied Mechanics and Tribology Laboratory Industrial Materials Laboratory Energy Conversion Laboratory Mechanical Design Laboratory Systems Applied Physics Laboratory
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