대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제31권9호
  • /
  • Pages.764-771
  • /
  • 2007
  • /
  • 1226-4881(pISSN)
  • /
  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
권호 표지
DOI QR코드

DOI QR Code

고온 표면에 부착된 증발 액적에 의한 열유속 변화 추정

The Evaluation of Heat Flux by Evaporating Droplet on the Hot Surface

  • 신운철 (단국대학교 기계공학과) ;
  • 배신철 (단국대학교 기계공학과)
  • 발행 : 2007.09.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

The objective of the present work is to evaluate the evaporation heat flux of deposited droplet on the hot surface by using of inverse heat transfer technique. On the basis of measured temperature, a integral form solution is determined for the transient temperatures beyond the two positions by using Green's function technique. This method first approximates the temperature data with a half polynomial series of time. we compared this result with constant radius model in single phase regime, nucleate boiling regime, film boiling regime respectively. this paper performed the experiments as following conditions: (a)the surface temperature is within the range between $80^{\circ}C\;and\;160^{\circ}C$ in the conduction, (b) droplet diameter are 2.4 and 3.0mm. (c) surface roughness is $0.18{\mu}m$.

키워드

참고문헌

  1. Dawson, H. and Di Marzo, M., 1993, 'An Experimental Study of Multiple Droplet Evaporative Cooling,' NIST-GCR 93-624
  2. Zhang, N. and Yang, W. J., 1982, 'Natural Convection in Evaporating Minute Drops,' J. of Heat Transfer, Vol 104, pp. 656-662 https://doi.org/10.1115/1.3245182
  3. Sadhal, S. S., and Plesset, M. S., 1979, 'Effect of Solid Properties and Contact Angle in Dropwise Condensation and Evaporation,' J. of Heat Transfer, Vol 101, pp. 48-54 https://doi.org/10.1115/1.3450934
  4. Chandra, S., DiMarzo, M., Qiao, Y. M., and Tartarini, P., 1995, 'Effect of solid-liquid Contact Angle on Droplet Evaporation,' NIST-GCR-96-687
  5. Bang, C. H., Kim, J. S. and Yea, Y. T., 2000, 'An Experimental Study on the Cooling of Unburned Surface due to Water Droplet,' Trans. of Korean Institute of Fire Sci & Eng., Vol. 14, No. 3, pp. 13-18
  6. Riu, K. J., Bang, C. H. and Kim, J. S., 2001, 'Evaporation Cooling of Single Droplet on a Heated Solid Surface,' Trans. of KSME(B), Vol. 25, No. 6, pp. 845-852
  7. Ozisik, M. N., 1993, 'Heat Conduction-2nd ed,'
  8. Zhang, N. and Yang, W. J., 1982, 'Natural Convection in Evaporating Minute Drops,' J. of Heat Transfer, Vol 104, pp. 656-662 https://doi.org/10.1115/1.3245182
  9. Sadhal, S. S. and Plesset, M. S., 1979, 'Effect of Solid Properties and Contact Angle in Dropwise Condensation and Evaporation,' J. of Heat Transfer, Vol 101, pp. 48-54 https://doi.org/10.1115/1.3450934
  10. Monde, M., 2000, 'Analytical Method in Inverse Heat Transfer Problem Using Laplace Transform Technique,' Int. J. of Heat Mass Transfer, Vol. 43, pp. 3965-3975 https://doi.org/10.1016/S0017-9310(00)00040-5