研究者業績
基本情報
- 所属
- 兵庫県立大学 工学研究科 機械工学専攻 准教授
- 学位
- 修士(工学)(東京都立大学)博士(工学)(東京都立大学)
- J-GLOBAL ID
- 200901095700763020
- researchmap会員ID
- 1000053441
研究キーワード
4経歴
7-
2004年 - 2007年
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2007年
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2003年 - 2004年
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2003年 - 2004年
学歴
4-
- 1992年
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- 1992年
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- 1990年
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- 1990年
委員歴
1-
2007年 - 現在
論文
23-
Journal of Power and Energy Systems 2(5) 1241-1253 2008年Two different analytical models were developed on water type Stirling engine. One is the resonance model which qualitatively clarifies the relationship between performance and resonance tube length, and the other is the heat transfer model considering heat transfer between working gas and the tube walls of heating and cooling units. These analyses and experiments were carried out changing the resonance tube length variously, then it was confirmed that the resonance tube length which maximizes the water column amplitude of the power piston agrees well and the oscillations of water columns at that resonance tube length also agrees. In addition, a series of analysis using the heat transfer model was carried out with changing cross sectional area of the resonance tube, loss factors of the elbows, heat transfer area of heating and cooling unit, and pressure of working gas. By this numerical investigation, the effect on the resonance tube length and the work at the length in which these parameters maximize the amplitude of power piston water column was clarified.
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NUMERICAL HEAT TRANSFER PART A-APPLICATIONS 45(1) 49-66 2004年1月 査読有り
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JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME 123(3) 441-449 2001年6月
MISC
63-
日本機械学会熱工学コンファレンス講演論文集 2012 307-308 2012年11月16日Flow characteristic of compressible flow in a micro-tube was investigated numerically. In conventional researches, the flow characteristics have been investigated under the assumption of isothermal flow. But it is not sure the limitation of condition in which we can use the isothermal flow assumption. In this report, the mass flow rate through the micro-tube was examined considering with temperature decrease caused by gas expansion, temperature increase caused by viscous dissipation, heat conduction and convection. The results were compared with the isothermal flow and the limitation of the assumption was discussed in the combination of pressure ratio and tube length.
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日本機械学会年次大会講演論文集 2007(Vol.3) 277-278 2007年9月7日The water type Stirling engine is replacing the mechanical part that corresponds to the power piston and the displacer with a series of water. Therefore, the working gas is moist air, fundamentally. It is known that an output of the engine decreases, when the evaporation to the working gas from the water column surface is suppressed. In this study, the effect of evaporation and condensation of water on heat transfer in a circular pipe with oscillating flow was examined numerically. Such flow and heat transfer are observed in water Stirling engine. Calculation parameters were frequency, amplitude, temperatures of heating and cooling units. The effect of these parameters on heat transfer was declared.
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日本機械学会年次大会講演論文集 2006(Vol.3) 187-188 2006年9月15日A water-type Stirling engine is replaced the power and displacer pistons with water columns. Therefore, it has no mechanical moving part in its compositions. It is known that resonance tube length influences the performance of water-type Stirling engine, but the effect of resonance tube length upon the performance has not been examined in detail. In this paper a series of experiments was performed with changing the resonance tube length. The result was shown in the relationship between resonance tube length and amplitude of each water column. Furthermore, the experimental result was compared with numerical result of an analysis considering head loss in duct lines and heat exchanges between working gas and heat sources, and the performance characteristic of water-type Stirling engine was discussed.
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日本機械学会年次大会講演論文集 2005(Vol.3) 37-38 2005年9月18日Two analytic models for a water-type Stirling engine were newly developed. One is the constant temperature model, assuming the constant temperatures of working fluid, and the other is the heat transfer model, considering with the heat transfer between the heat sources and the work fluid. The constant temperature model is a conventional model for analyses of a Stirling engine. However, in an actual Stirling engine the temperatures of working fluid are not perfectly fixed, and there is few literature on a water-type Stirling engine. Therefore, these analytic models were newly developed. Using these two analytic models, influences of the resonance pipe length and the heat transfer coefficient over the performance of the engine were investigated numerically, and the tendencies in optimum values of these parameters were shown.
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INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 45(11) 2243-2253 2002年5月
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INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 43(18) 3407-3415 2000年9月
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American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD 305 73-79 1997年1月1日
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American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD 324 9-15 1996年12月1日
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Numerical Heat Transfer; Part A: Applications 30(1) 73-85 1996年
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HEAT TRANSFER SCIENCE AND TECHNOLOGY 1996 274-280 1996年
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American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD 318 145-152 1995年12月1日
講演・口頭発表等
53担当経験のある科目(授業)
4所属学協会
3-
2003年 - 現在
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1990年 - 現在
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1988年 - 現在
共同研究・競争的資金等の研究課題
12-
日本学術振興会 科学研究費助成事業 2001年 - 2003年
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日本学術振興会 科学研究費助成事業 2001年 - 2002年
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日本学術振興会 科学研究費助成事業 1999年 - 2000年
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日本学術振興会 科学研究費助成事業 1995年 - 1995年
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日本学術振興会 科学研究費助成事業 1993年 - 1994年