KAKEN — Research Projects | Researcher Number: 40197091

Search Results: 6 results / Researcher Number: 40197091

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1. Study on Micro Structure of Phase Change Phenomena When Water Contacts with Molten Metal Layer

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Thermal engineering
Research Institution	Oyama National College of Technology
Principal Investigator	TAKASHIMA Takeo Oyama National College of Technology, Depertment of Mechanichal Engineering, Professor
Project Period (FY)	2005 – 2007Completed
Keywords	Vapor explosion / Film boiling / Vapor film / Fragmentation / Nucleation / Vapor bubble / Evaporation / Condensation
Research Abstract	The initiation stage of spontaneous vapor explosions generated by single droplets of molten tin submerged in water was investigated using a high speed ...

Research Products of this project	Journal Article (8 results, of which Peer Reviewed: 2 results) Presentation (6 results)

2. 発泡を伴う高温融体と水の熱移動現象に関する研究

Research Project

Research Category	Grant-in-Aid for Scientific Research on Priority Areas
Review Section	Science and Engineering
Research Institution	Oyama National College of Technology
Principal Investigator	高島武雄小山工業高等専門学校, 助教授
Project Period (FY)	2003 – 2004Completed
Keywords	火山 / 熱工学 / 流体 / 地殻・マントル物質 / 蒸気爆発
Research Abstract	火山噴火のなかで,最も激しい噴火様式とされているマグマ水蒸気噴火の機構を解明する目的で,(1)溶融金属と水,(2)溶融ガラスと水を用いてマグマ水蒸気噴火を実験的に再現して,その現象を撮影して観察・解析した.

Research Products of this project	Journal Article (5 results) Publications (3 results)

3. Study on the Micro-pomp utilizing Rapid Boiling

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Thermal engineering
Research Institution	Yokohama National University
Principal Investigator	IIDA Yoshihiro Yokohama National Univ., Faculty of Engineering, Professor
Project Period (FY)	1998 – 1999Completed
Keywords	micro-machine / micro-pomp / liquid-gas phase change / micro-heater / boiling / transient boiling / intermittent boiling / pumping action
Research Abstract	The purpose of this study is to examine the possibility of new concepts on the micro-pomp which utilizes rapid boiling from a micro-heater immersed in ...

Research Products of this project	Publications (11 results)

4. Augmentation of Boiling Heat Transfer by Free Particles Bed

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Thermal engineering
Research Institution	Yokohama National University
Principal Investigator	IIDA Yoshihiro Yokohama National Univ., Fuculty of Engng., Professor
Project Period (FY)	1997 – 1998Completed
Keywords	Boiling Heat Transfer / Heat Transfer Augmentation / Free Particles Bed / Enhancement of Heat Transfer / Passive Method / Augmentation Mechanism / Nucleate Boiling / Fouling
Research Abstract	A passive technique to augment boiling heat transfer characteristics by freely movable solid particles preset around the heating surface is proposed a ...

Research Products of this project	Publications (10 results)

5. Fundamental Study on Micro-Actuator Utilizing Rapid Boiling

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Thermal engineering
Research Institution	Yokohama National University
Principal Investigator	IIDA Yoshihiro Yokohama National Univ., Faculty of Engineering, Professor
Project Period (FY)	1996 – 1997Completed
Keywords	Micro Actuator / Boiling Heat Transfer / Rapid Boiling / Spontaneous Nucleation / Small Film Heater / Unsteady State Boiling / Bubble Behavior / Evaporation
Research Abstract	The objective of this study is to reveal the boiling bubble behavior generated on a very small film heater or a fine wire immersed in pure liquids by ...

Research Products of this project	Publications (21 results)

6. 極微小伝熱面における超高熱流束下の沸騰現象に関する研究

Research Project

Research Category	Grant-in-Aid for General Scientific Research (B)
Research Field	Thermal engineering
Research Institution	Yokohama National University
Principal Investigator	IIDA Yoshihiro Yokohama National Univ., Dept. of Mat. Sci. & Chem. Engng, Professor
Project Period (FY)	1990 – 1991Completed
Keywords	Boiling / Fluctuation Nucleation / High Speed Heating / Transient Boiling / Bubble Nucleation / Homogeneous Nucleation / Heat Transfer / Superheat Hmit
Research Abstract	An extremely small flat heater is formed on a quartz glass plate by spattering platinum on it. The size is O. 1mm in width, 0.25mm in length and 0.25x ...

Research Products of this project	Publications (8 results)