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논문 기본 정보

자료유형
학술저널
저자정보
Hyo-Jin Lee Jae-Goo Lee
저널정보
대한설비공학회 International Journal of Air-Conditioning and Refrigeration Journal Of Air-Conditioning and Refrigeration Vol.13 No.4
발행연도
2005.12
수록면
175 - 183 (9page)

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The present study has been conducted for manufacturing MPCM (microencapsulated phase change material) slurry with in-situ polymerization and proving their applicabilities for cooling system. The tetradecane as a core material of MPCM is coated with melamine. The produced capsules are observed by the optical microscope and SEM for superficial shapes and analysed their properties by DSC and particle size distribution by FA particle analyzer. It is found that narrow size distribution in 1 to 10 ㎛ is resulted in 5 ㎛ of average diameter and 9℃ melting temperature. The durability of MPCM capsules is tested with various types of pumps such as centrifugal, peristaltic, and mono. For the centrifugal and peristaltic pumps the breakage fraction of the capsules is resulted within 6% during 10,000 cycles, while the mono is over 8%. The cooling system, which has adopted MPCM slurry as a medium for transporting cold thermal energy, is designed to investigate the performance of newly developed coolant. The discharging times of cold energy in circulating 10 and 20 wt% MPCM slurry are lasted to 105 and 285 minutes, respectively.

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ABSTRACT

1. Introduction

2. MPCM manufacturing and cooling system design

3. Results and discussion

4. Conclusions

Acknowledgements

References

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