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采用PR方程的液相制冷剂摩擦理论黏度模型 被引量：2

PR Equation of State Based Friction Theory Viscosity Model for Liquid Refrigerants
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摘要 在对14种制冷剂(R152a、R123、R141b、R11、R12、R125、R22、R32、R143a、R227ea、R236ea、R236fa、R245ca、R245fa)的液相黏度实验数据进行收集的基础上,将摩擦理论与工程上常用的PR方程相结合,建立了这14种制冷剂的液相黏度模型,并通过最小二乘法回归得到了模型中的各系数.结果表明,在拟合范围内,这14种制冷剂的稀薄气体黏度计算值与文献值的绝对平均偏差在1%以内,各制冷剂液相黏度计算值与实验值的绝对平均偏差在0.31%～1.92%之间,能够满足实际工程需要. The experimental liquid viscosity data of 14 pure refrigerants（R152a,R123,R141b,R11,R12,R125,R22,R32,R143a,R227ea,R236ea,R236fa,R245ca,and R245fa）are collected,and then a liquid viscosity model of the refrigerants is established using the friction theory in conjunction with the Peng-Robinson（PR）equation of state.The coefficients of the viscosity model are obtained using the least square method.The results show that all the average absolute deviations between the viscosity values calculated and the data in literature for the refrigerants in the dilute gas phase are less than 1%.In addition,all the average absolute deviations between the measurements and the viscosity values calculated with the present model for the refrigerants in the liquid phase are 0.31%-1.92%.
作者 王晓坡 宋渤 吴江涛 刘志刚
机构地区 西安交通大学动力工程多相流国家重点实验室
出处 《西安交通大学学报》 EI CAS CSCD 北大核心 2010年第5期10-14,共5页 Journal of Xi'an Jiaotong University
基金 国家自然科学基金重点资助项目(50836004) 全国优秀博士学位论文作者专项资金资助项目(200540)
关键词 摩擦理论 黏度模型 制冷剂 液相 friction theory viscosity model refrigerant liquid phase
分类号 TK121 [动力工程及工程热物理—工程热物理]
  • 相关文献

参考文献24

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  • 6ZEBERG-MIKKELSEN C K,QUINONES-CISNEROS S E,STENBY E H.Viscosity prediction of natural gases using the friction theory[J].International Journal of Thermophysics,2002,23(2):437-454.
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同被引文献23

  • 1QUIIqONES-CISNEROS S E, ZEBERG-MIKKELS- EN C K, STENBY E H. The friction theory (f- theory) for viscosity modeling I-J]. Fluid Phase Equilib, 2000,169 : 249-276.
  • 2QUINONES-CISNEROS S E, ZEBERG-MIKKELS- EN C K, STENBY E H. Viscosity modeling of light gases at supercritical conditions using the friction theory[J]. Ind Eng Chem Res, 2001, 40~ 3848- 3854.
  • 3ZEBERG-MIKKELSEN C K, QUINONES-CIS- NEROS S E, STENBY E H. Viscosity prediction of natural gases using the friction theory[-J3. Int J Thermophys, 2002,23(2) :437-454.
  • 4WANG X P, WU J T, LIU Z G. Viscosity model- ing of several HFC refrigerants using the friction theoryl-J ~. Fluid Phase Equilib, 2007,262 (1/2) .. 251-263.
  • 5SHIBASAKI-KITAKAWAN, TAKAHASHI M, YOKOYAMA C. Viscosity of gaseous HFC-134a (1,1, 1,2-Tetrafluoroethane) under high pressures [J]. Int J Thermophys, 1998,19(5) : 1285-1295.
  • 6WILHELM J, VOGEL E. Gas-phase viscosity of the alternative refrigerant R134a at low densities[-J].Fluid Phase Equilib, 1996,125(1-2) :257-266.
  • 7DOWDELL D C, MATTHEWS G P. Gas viscosi- ties and intermolecular interactions of replacement refrigerants HCFC123 (2, 2-Dichloro-1,1,1-Triflu- oroethane), HCFC124 (2-Chloro-1,1,1,2-Tetraflu- oroethane) and HFC134a[J]. J Chem Soc Faraday Trans, 1993,89(19) :3545-3552.
  • 8OKUBO T, HASUO T, NAGASHIMA A. Meas- urement of the viscosity of HFC134a in the tempera- ture range 213-423 K and at pressures up to 30 MPa [J]. Int J Thermophys, 1992,13(6) :931-942.
  • 9ASSAEL M J, POLIMATIDOU S K. Measure- ments of the viscosity of refrigerants in the vapor phase[J]. Int J Thermophys, 1997,18 (2)~ 353- 366.
  • 10LASECKE A, LUDDECKE T O D, HAFER R F, et al. Viscosity measurements of ammonia, R32, and R134a. Vapor buoyancy and radial acceleration in capillary viscometers [J]. Int J Thermophys, 1999, 20(2) :401-434.

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西安交通大学学报
2010年 第5期

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