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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Takeda, Tetsuaki Sato, Akihiro Funatani, Shumpei |
| Copyright Year | 2012 |
| Abstract | The objective of this study is to not only investigate heat transfer characteristics of natural convection of a one-side heated vertical channel inserting the porous materials with high porosity but also develop the passive cooling system for the Very-High-Temperature Reactor (VHTR). An experiment and analysis was carried out using the one-side heated vertical rectangular channel. From the results obtained in the experiment and analysis, it was found that an amount of removed heat by forced convection using the copper wire (porosity>0.996) was about 15% higher than that without the wire. It was also found that the amount of transferred heat from the heated wall will be increased even if the heat removed by natural convection. Furthermore, the ratio between the amounts of heat removed of the rectangular channel with the porous material and without the porous material increases with increasing temperature of the channel wall. In order to obtain the heat transfer and fluid flow characteristics of the vertical channel inserting porous material, we have also carried out a numerical analysis using a commercial CFD code. This paper describes thermal performances of the one-side heated vertical rectangular channel inserting copper wire with high porosity. From a view point of economical and safety characteristics, the passive cooling system should be designed for the VHTR as the best way of the system. Therefore, the gas cooling system by natural convection is the one of candidate system. |
| Sponsorship | Nuclear Engineering Division Power Division |
| Starting Page | 733 |
| Ending Page | 740 |
| Page Count | 8 |
| File Format | |
| ISBN | 9780791844977 |
| DOI | 10.1115/ICONE20-POWER2012-55155 |
| Volume Number | Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries |
| Conference Proceedings | 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference |
| Language | English |
| Publisher Date | 2012-07-30 |
| Publisher Place | Anaheim, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Forced convection Temperature Computational fluid dynamics Fluid dynamics Porous materials Cooling systems Natural convection Gas air conditioning Wire Heat Very high temperature reactors Numerical analysis Porosity Safety Copper Heat transfer |
| Content Type | Text |
| Resource Type | Article |
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