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논문 상세정보

딤플형 판형 열교환기의 유동 및 전열특성에 대한 수치해석

A Numerical Simulation of Flow and Heat Transfer in a Dimple-type Plate Heat Exchanger


In the present study, the characteristics on the internal flow and heat transfer of the dimple-type plate heat exchanger were numerically investigated. For the numerical analysis, the conjugate heat transfer analysis between hot fluid-separating plate-cold fluid was performed using the periodic boundary condition at the center area of the plate and appropriate inlet and outlet conditions for the two streams. The numerical results were validated by the comparison with the experimental data. From these results, the correlations of the Colburn j-factor for the heat transfer and the Fanning f-factor for the flow friction were obtained. The present results could be applicable for the optimal design of dimple-type plate heat exchanger.

참고문헌 (8)

  1. Kim, Y.-H., Han, D.-H. and Lee, K.-J., 2001, Experiments on condensation heat transfer and pressure drop in plate heat exchangers with different chevron angles(in Korean), Korean Journal of Air-conditioning and Refrigeration Engineering, Vol. 13, No. 11, pp. 1141-1148. 
  2. Kim, T.-Y., Kim, N.-J., Lee, J.-Y. and Kim, C.-B., 2001, Numerical analysis of heat transfer characteristics in corrugated plate type heat exchanger channel(in Korean), Korean Journal of Air-conditioning and Refrigeration Engineering, Vol. 13, No. 7, pp. 588-594. 
  3. Hur, N., Lee, M., Kang, B. H. and Won, C.-S., 2008, Numerical analysis of heat transfer in a plate heat exchanger, Progress in Computational Fluid Dynamics, Vol. 8, Nos. 7/8, pp. 406-412. 
  4. Mahmood, G. I. and Ligrani, P. M., 2002, Heat transfer in a dimpled channel:combined influences of aspect ratio, temperature ratio, Reynolds number, and flow structure, International Journal of Heat and Mass Transfer, Vol. 45, No. 10, pp. 2011-2020. 
  5. Lee, K. S., Si, J. M. and Chung, K. Y., 1999, A numerical study for optimizing the thermal and flow performance in the channel of plate heat exchanger with dimples(in Korean), Korean Journal of Air-conditioning and Refrigeration Engineering, Vol. 11, No. 5, pp. 700-708. 
  6. Isaev, S. A. and Leont'ev, A. I., 2003, Numerical simulation of vortex enhancement of heat transfer under conditions of turbulent flow past a spherical dimple on the wall of a narrow channel, High Temperature, Vol. 41, No. 5, pp. 665-679. 
  7. Ahn, J., Lee, Y. O. and Lee, J. S., 2007, Effects of dimple depth and Reynolds number on the flow and heat transfer in a dimpled channel(in Korean), Proceeding of the KSME 2007 Annual Meeting, pp. 469-501. 
  8. Incropera, F. P. and DeWitt, D. P., 2003, Fundamentals of heat and mass transfer, 5th. Ed., John Wiley and Sons, Inc. 

이 논문을 인용한 문헌 (2)

  1. Han, Hwa-Taik ; Lee, Dae-Young ; Kim, Seo-Young ; Choi, Jong-Min ; Kim, Su-Min ; Kwon, Young-Chul ; Baik, Yong-Kyu 2011. "Recent Progress in Air-Conditioning and Refrigeration Research : A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2010" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 23(6): 449~469 
  2. Kim, Nae-Hyun 2013. "Heat Transfer and Pressure Drop Characteristics of Cross-Flow Plastic Air Heater for a Cooling Tower" 한국산학기술학회논문지 = Journal of the Korea Academia-Industrial cooperation Society, 14(12): 6072~6081 


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