Heat Transfer and Solidification Control of Latent Heat Transportation Slurries by Nano-Particle Addition
| Project/Area Number |
24360319
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Properties in chemical engineering process/Transfer operation/Unit operation
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| Research Institution | Kobe University |
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Principal Investigator |
SUZUKI Hiroshi 神戸大学, 工学(系)研究科(研究院), 教授 (90206524)
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| Co-Investigator(Kenkyū-buntansha) |
KOMODA Yoshiyuki 神戸大学, 大学院工学研究科, 准教授 (00397796)
日出間 るり 神戸大学, 学内共同利用施設等, 助教 (20598172)
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| Co-Investigator(Renkei-kenkyūsha) |
HIDEMA Ruri 神戸大学, 自然科学系先端融合研究環, 助教 (20598172)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥20,020,000 (Direct Cost: ¥15,400,000、Indirect Cost: ¥4,620,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
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| Keywords | 流動 / 伝熱 / 潜熱輸送 / 晶析 |
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| Outline of Final Research Achievements |
In order to investigate the effects of nano-particles on improving the heat transfer characteristics and on preventing the pipe blockage for the drag-reduced hydrate slurries, the measurements of the thermal conductivity and the heat transfer coefficients and of the super-cooling degree and the solidification distribution in a pipe have been performed. From the results, it was found that the agglomeration of nano-particles occurs in the inorganic solutions. Then, the enhancement of thermal conductivity was not observed. On the other hand, the addition of nano-particles caused the super-cooling depression. Thus, the solidification near the center of the pipe was observed. From this, it was concluded that the nano-particle addition is not effective for the heat transfer enhancement but is effective for preventing the pipe blockage. Additionally, the pipe-size effect on the heat transfer characteristics of the latent heat transportation was established in the study.
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Report
(4 results)
Research Products
(18 results)
