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矩形窄缝通道内两相湍流蒸发的传热研究 被引量：2

HEAT TRANSFER OF TWO PHASE TURBULENT FLOW EVAPORATION IN RECTANGULAR GAP CHANNEL
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摘要 以水和正丙醇为工质，对矩形窄缝流道内两相湍流蒸发区的流动沸腾传热进行了实验研究。提出了适用于窄缝流道内两相湍流蒸发的传热模型，给出了由实验数据回归的传热系数计算公式。与实验数据比较，平均相对误差为６．５％。 Heat transfer characteristics of two phase turbulent flow evaporation have been studied in a 2mm ×30mm rectangular gap channel. The work fluids are water and n-propanol. A new model of two phase turbulent flow evaporation heat transfer is constructed for narrow gap channel,and a correlation is put forward. The average error of this correlation is 6.5% in comparison with the experimental data.
作者 杨伟 吴云英
机构地区 内蒙古工业大学化工系
出处 《内蒙古工业大学学报（自然科学版）》 1996年第3期48-52,共5页 Journal of Inner Mongolia University of Technology：Natural Science Edition
关键词 传热 两相流 矩形窄缝流道 化工过程 蒸发 湍流 heat transfer flow boiling two phase flow
分类号 TQ021.3 [化学工程]
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同被引文献13

  • 1[2]XU J L, CHENG P, ZHAO T S. Gas-liquid two-phase flow regimes in rectangular channels with mini/micro gaps [J]. Int J Multiphase Flow, 1999,25: 411-432.
  • 2[4]SUN S F, WU Y Y, ZHAO R Y. The numerical calculation of heat transfer performance for annular flow of liquid nitrogen in a vertical annular channel [J]. Cryogenics, 2001, 41: 231-237.
  • 3[6]QU W L, MUDAWAR I. Flow boiling heat transfer in two-phase micro-channel heat sinks-Ⅱ. Annular two-phase flow model [J]. Int J Heat & Mass Tran,2003, 46: 2773-2784.
  • 4[8]WALLIS G B. One-dimensional two-phase flow[M]. [s l]: McGraw-Hill, 1969: 166-167, 320-321.
  • 5[9]SADATOMI M, SATO Y. Two-phase flow in vertical noncircular channels [J]. Int J Multiphase Flow, 1982, 8(6): 641-655.
  • 6DANILOVA G N, AZARSKOV V M, ZEMSKOV B B, et al. Heat transfer and two-phase flow of freons in evaporators of refrigerators [J]. Heat Transfer: Soviet Res,1986,18(6):18-23.
  • 7OSAKABE M, TASAKA K, KAWASAKI Y. Annular flow transition model in channels of various shapes [J]. Heat Transfer: Japanese Res, 1989,18(5):51-63.
  • 8XU J L, CHENG P, ZHAO T S. Gas-liquid two-phase flow regimes in rectangular channels with mini/micro gaps [J]. Int J Multiphase Flow, 1999: 25, 411-432.
  • 9KAYS W M. Turbulent prandtl number-where are we? [J]. ASME Trans J Heat Transfer, 1994, 116: 284-295.
  • 10KLAUSNER J F, CHAO B T, SOO S L. An improved method for simultaneous determination of frictional pressure drop and vapor volume fraction in vertical flow boiling [J]. Exper Thermal Fluid Sci, 1990, 3: 404-415.

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内蒙古工业大学学报（自然科学版）
1996年 第3期

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