Numerical Simulation and Optimization Research of Needle Parameters in Vial Washing Machine_Journal of Biomedical Engineering

Authors：

 ZHANGHaowei ¹ , LIZhen ¹ , LIUYing ¹ , LIUHaigang ¹ , PENGDelian ² , WEIGuoqin ²

1. School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
2. Shanghai Xinxufa Mechanical Science & Technology Co., Ltd, Shanghai 200436, China;

Corresponding author：

ZHANGHaowei, Email: howiezh@sina.com

Keywords：

vial washing machine; wall; water droplet; FLUENT; needle parameters

DOI：

10.7507/1001-5515.20140198

Video：

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Abstract Full text Figures/Tables Video References Cited by

According to the working principle of vertical ultrasonic vial washing machine, receiving respective force of small water droplets on the inside wall of vials and the minimum air velocity of blowing off water droplets can be obtained based on the analysis of water-droplet-related parameters. The inside wall model of 7 mL vial created by GAMBIT was divided into fine grids. Then the Realizable k-epsilon Two Equation Turbulence Model was adopted and the flow field of vial by FLUENT software was simulated when air was flushing inside the wall. In that case, the optimal position, inner diameter and the corresponding minimum air velocity of needle can be acquired to meet the needs of vial washing machine applied to 7 mL vial.

Citation： ZHANGHaowei, LIZhen, LIUYing, LIUHaigang, PENGDelian, WEIGuoqin. Numerical Simulation and Optimization Research of Needle Parameters in Vial Washing Machine. Journal of Biomedical Engineering, 2014, 31(5): 1057-1060,1064. doi: 10.7507/1001-5515.20140198 Copy

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1. 秦保振.洗瓶机的现状及发展趋势[J].机电信息,2007,29:31-34.
2. 张元峰.浅谈制药设备与GMP发展关系[J].黑龙江科技信息,2009,29:253.
3. ZHANG S H, WAN M W. Numerical simulation and research of far infrared sterilization tunnel[J]. Adv Mater Res, 2012, 503-504: 798-801.
4. FAN J, WILSON M C, KAPUR N. Displacement of liquid droplets on a surface by a shearing air flow[J]. J Colloid Interface Sci, 2011, 356(1): 286-292.
5. RAFEE R, RAHIMZADEH H, AHMADI G. Numerical simulations of airflow and droplet transport in a wave-plate mist eliminator[J]. Chem Eng Res Des, 2010, 88(10): 1393-1404.
6. DIETZ C, RYKACZEWSKI K, FEDOROV A G, et al. Visualization of droplet departure on a superhydrophobic surface and implications to heat transfer enhancement during dropwise condensation[J]. Appl Phys Lett, 2010, 97(3): 13892-13894.
7. SCHWARTZ L W, ROUX D, COOPER-WHITE J J. On the shapes of droplets that are sliding on a vertical wall[J]. Physica D, 2005, 209(1-4): 236-244.
8. 闵敬春,彭晓峰,王晓东.竖壁上液滴的脱落直径[J].应用基础与工程科学学报,2002,10(1):57-62.
9. 王晓东,彭晓峰,张欣欣.水平壁面上液滴吹离的临界风速[J].应用基础与工程科学学报,2006,14(3):403-410.
10. ELSHERBINI A I, JACOBI A M. Liquid drops on vertical and inclined surfaces: Ⅰ. An experimental study of drop geometry[J]. J Colloid Interface Sci, 2004, 273(2): 556-565.
11. EL SHERBINI A I, JACOBI A M. Modeling Condensate Drops Retained on the Air-Side of Heat Exchangers ACRC TR-209[R]. Urbana: Air Conditioning and Refrigeration Center, 2003.
12. 范健,胡春波,张育林,等.剪切气流驱动液滴运动的受力分析[J].实验流体力学,2011,25(2):5-12.
13. INOUE M, MATHIS R, MARUSIC I, et al. Inner-layer intensities for the flat-plate turbulent boundary layer combining a predictive wall-model with large-eddy simulations[J]. Phys Fluids, 2012, 24(7): 75102-75118.

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