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논문 상세정보

액적의 리바운드 모션에 주목한 분무냉각 막 비등 열전달 모델

Film Boiling Heat Transfer Model of Spray Cooling Focusing on Rebound Motion of Droplets

Abstract

In the present study, to determine the flow rate of droplets supplied to heat transfer surface after (j-1)th rebound, $D_X[j{\ge}2]^{\ast}$, it was assumed that the rebound droplets are distributed according to the Gaussian distribution from 0 to L, in which the flight distance L is determined by maximum flight distance $L_{max}$. We also assumed that $L_{max}$ is dependent on the air flow velocity and mean size of droplets. The local heat flux of a dilute spray in high temperature region was predicted using the newly evaluated $D_X[j{\ge}2]^{\ast}$. In addition, the predicted results by the present model were compared with the existing experimental data.

저자의 다른 논문

참고문헌 (12)

  1. Ohkubo, H. and Nishio, S., 1993, 'Study on Mist Cooling for Heat Treatment of Metals,' J. Materials Processing & Manufacturing Science, Vol. 2, pp. 14-27 
  2. Kim, Y. C., Nishio, S. and Ohkubo, H., 1994, 'Spray Cooling with Formation of Liquid Film Flow Distribution of Heat Transfer Coefficient in High Temperature Region,' Trans. of the JSME, Vol. 60, No. 574, pp.2158-2164 
  3. Kim, Y. C., Nishio, S. and Ohkubo, H., 1996, 'Heat Transfer in High Temperature Region of Spray Cooling Interacting with Liquid Film Flow,' Trans. of the JSME, Vol. 62, No. 597, pp.1991-1997 
  4. Lee, P. J., Jin, S. T. and Lee, S. H., 2004, 'A Study on Cooling of Hot Steel Surface by Water-Air Mixed Spray,' Trans. of the KSME(B), Vol. 28, No.3, pp. 247-255 
  5. Toda, S., 1972, 'A Study of Mist Cooling (1st Report : Investigation of Mist Cooling),' Heat Transfer Japanese Research, Vol. 1, pp. 39-52 
  6. Toda, S, 1974, 'A Study of Mist Cooling (2nd Report : Theory of Mist Cooling and its Fundamental Experiments),' Heat Transfer Japanese Research, Vol. 3, pp. 1-44 
  7. Bolle, L. and Moureau, J. C, 1977, 'Spray Cooling of Hot Surface,' Two-Phase Flow and Heat Transfer Proc. NATO Advanced Study Institude, Vol. 3, pp. 1327-1346 
  8. Deb, S. and Yao, S.C., 1989, 'Analysis on Film Boiling Heat Transfer of Impacting Sprays,' Int. J. Heat Mass Transfer, Vol. 32, pp. 2099-2111 
  9. Ito, T., Takata, Y. and Mousa, M. M., 1992, 'Study on the Water Cooling of Hot Surface (Analysis of Spray Cooling in the Region Associated with Film Boiling),' JSME Int. J. Series 2, pp. 589-597 
  10. Nishio, S. and Kim, Y. C., 1998, 'Heat Transfer of Dilute Spray Impinging on Hot Surface,' Int. J. of Heat & Mass Transfer, Vol. 41, pp.4113-4119 
  11. Shoji, S, Wakunaga, T. and Kodama, K., 1984, 'Heat Transfer Between Hot Surface and Impinging Subcooled Droplet,' Trans. of the JSME, Vol. 50(B), pp.716-723 
  12. Kim, Y. C. 2004, 'Study on Film Boiling Heat Transfer of Spray Cooling in Dilute Spray Region,' Proceeding of the KSME 2004 Spring Annual Meeting, pp. 1481-1486 

이 논문을 인용한 문헌 (2)

  1. Kim, Yeung-Chan ; Yun, Seung-Min 2006. "Study on Film Boiling Heat Transfer of Spray Cooling in Air-Water Full Cone Spray System" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. B. B, 30(12): 1236~1242 
  2. Kim, Yeung-Chan 2010. "Experimental Study on Film Boiling Heat Transfer of Spray Cooling for Inclined heat transfer Surface" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 22(1): 33~39 

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