Spray and mixing characteristics of liquid jet in a tubular gas-liquid atomization mixer

doi:10.1016/j.cjche.2020.08.016

中国化学工程学报 ›› 2021, Vol. 34 ›› Issue (6): 1-11.DOI: 10.1016/j.cjche.2020.08.016

• Fluid Dynamics and Transport Phenomena • 下一篇

Spray and mixing characteristics of liquid jet in a tubular gas-liquid atomization mixer

Lingzhen Kong, Jiaqing Chen, Tian Lan, Huan Sun, Kuisheng Wang

1 School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;
2 Beijing Key Laboratory of Pipeline Critical Technology and Equipment for Deep Water Oil & Gas Development, Beijing 102617, China;
3 College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China

收稿日期:2020-07-05 修回日期:2020-08-14 出版日期:2021-06-28 发布日期:2021-08-30
通讯作者: Jiaqing Chen
基金资助:
The financial supports from the National Natural Science Foundation of China (21808015) and the Project of Construction of Innovative Teams and Teacher Career Development for Universities and Colleges under Beijing Municipality (IDHT20170507) are gratefully acknowledged.

Spray and mixing characteristics of liquid jet in a tubular gas-liquid atomization mixer

Lingzhen Kong, Jiaqing Chen, Tian Lan, Huan Sun, Kuisheng Wang

1 School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;
2 Beijing Key Laboratory of Pipeline Critical Technology and Equipment for Deep Water Oil & Gas Development, Beijing 102617, China;
3 College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Received:2020-07-05 Revised:2020-08-14 Online:2021-06-28 Published:2021-08-30
Contact: Jiaqing Chen
Supported by:
The financial supports from the National Natural Science Foundation of China (21808015) and the Project of Construction of Innovative Teams and Teacher Career Development for Universities and Colleges under Beijing Municipality (IDHT20170507) are gratefully acknowledged.

摘要/Abstract

摘要： For the design and optimization of a tubular gas-liquid atomization mixer, the atomization and mixing characteristics of liquid jet breakup in the limited tube space is a key problem. In this study, the primary breakup process of liquid jet column was analyzed by high-speed camera, then the droplet size and velocity distribution of atomized droplets were measured by Phase-Doppler anemometry (PDA). The hydrodynamic characteristics of gas flow in tubular gas-liquid atomization mixer were analyzed by computational fluid dynamics (CFD) numerical simulation. The results indicate that the liquid flow rate has little effect on the atomization droplet size and atomization pressure drop, and the gas flow rate is the main influence parameter. Under all experimental gas flow conditions, the liquid jet column undergoes a primary breakup process, forming larger liquid blocks and droplets. When the gas flow rate (Q_g) is less than 127 m³·h^-1, the secondary breakup of large liquid blocks and droplets does not occur in venturi throat region. The Sauter mean diameter (SMD) of droplets measured at the outlet is more than 140 μm, and the distribution is uneven. When Q_g > 127 m³·h^-1, the large liquid blocks and droplets have secondary breakup process at the throat region. The SMD of droplets measured at the outlet is less than 140 μm, and the distribution is uniform. When 127 < Q_g < 162 m³·h^-1, the secondary breakup mode of droplets is bag breakup or pouch breakup. When 181 < Q_g < 216 m³·h^-1, the secondary breakup mode of droplets is shear breakup or catastrophic breakup. In order to ensure efficient atomization and mixing, the throat gas velocity of the tubular atomization mixer should be designed to be about 51 m·s^-1 under the lowest operating flow rate. The pressure drop of the tubular atomization mixer increases linearly with the square of gas velocity, and the resistance coefficient is about 2.55 in single-phase flow condition and 2.73 in gas-liquid atomization condition.

关键词: Atomization mixing, Liquid jet, Primary breakup, Droplet breakup, Droplet size

Abstract: For the design and optimization of a tubular gas-liquid atomization mixer, the atomization and mixing characteristics of liquid jet breakup in the limited tube space is a key problem. In this study, the primary breakup process of liquid jet column was analyzed by high-speed camera, then the droplet size and velocity distribution of atomized droplets were measured by Phase-Doppler anemometry (PDA). The hydrodynamic characteristics of gas flow in tubular gas-liquid atomization mixer were analyzed by computational fluid dynamics (CFD) numerical simulation. The results indicate that the liquid flow rate has little effect on the atomization droplet size and atomization pressure drop, and the gas flow rate is the main influence parameter. Under all experimental gas flow conditions, the liquid jet column undergoes a primary breakup process, forming larger liquid blocks and droplets. When the gas flow rate (Q_g) is less than 127 m³·h^-1, the secondary breakup of large liquid blocks and droplets does not occur in venturi throat region. The Sauter mean diameter (SMD) of droplets measured at the outlet is more than 140 μm, and the distribution is uneven. When Q_g > 127 m³·h^-1, the large liquid blocks and droplets have secondary breakup process at the throat region. The SMD of droplets measured at the outlet is less than 140 μm, and the distribution is uniform. When 127 < Q_g < 162 m³·h^-1, the secondary breakup mode of droplets is bag breakup or pouch breakup. When 181 < Q_g < 216 m³·h^-1, the secondary breakup mode of droplets is shear breakup or catastrophic breakup. In order to ensure efficient atomization and mixing, the throat gas velocity of the tubular atomization mixer should be designed to be about 51 m·s^-1 under the lowest operating flow rate. The pressure drop of the tubular atomization mixer increases linearly with the square of gas velocity, and the resistance coefficient is about 2.55 in single-phase flow condition and 2.73 in gas-liquid atomization condition.

Key words: Atomization mixing, Liquid jet, Primary breakup, Droplet breakup, Droplet size

Lingzhen Kong, Jiaqing Chen, Tian Lan, Huan Sun, Kuisheng Wang. Spray and mixing characteristics of liquid jet in a tubular gas-liquid atomization mixer[J]. 中国化学工程学报, 2021, 34(6): 1-11.

Lingzhen Kong, Jiaqing Chen, Tian Lan, Huan Sun, Kuisheng Wang. Spray and mixing characteristics of liquid jet in a tubular gas-liquid atomization mixer[J]. Chinese Journal of Chemical Engineering, 2021, 34(6): 1-11.

参考文献

[1] F. Ahmadvand, M.R. Talaie, CFD modeling of droplet dispersion in a Venturi scrubber, Chem. Eng. J. 160(2) (2010) 423-431210.
[2] S.W. Lee, H.C. No, Droplet size prediction model based on the upper limit log-normal distribution function in venturi scrubber, Nucl. Eng. Technol. 51(5) (2019) 1261-1271.
[3] P. Goel, A. Moharana, A.K. Nayak, Numerical simulation of injection characteristics, hydrodynamics and absorption of iodine vapour in a venturi scrubber operating in self-priming mode, Nucl. Eng. Des. 341(2019) 360-367.
[4] M. Ochowiak, L. Broniarz-Press, The flow resistance and aeration in modified spray tower, Chem. Eng. Process. 50(3) (2011) 345-350.
[5] S.A. Ghorbanian, H. Abolghasemi, S.R. Radpour, Modelling of mean drop size in a extraction spray column and developing a new model, Iran. J. Chem. Chem. Eng. 30(4) (2011) 89-96.
[6] G. Yincheng, N. Zhenqi, L. Wenyi, Comparison of removal efficiencies of carbon dioxide between aqueous ammonia and NaOH solution in a fine spray column, Energy Procedia 4(2011) 512-518.
[7] S. Ramkumar, E.J. Grave, P.R. Larnholm, D. Thierens, cMIST™:Novel, compact dehydration system for reducing size and weight, Offshore Technology Conference, Houston, Texas, USA, 2017.
[8] S. Northrop, J. Seagraves, S. Ramkumar, T. Cullinane, ExxonMobil's experience with sour gas treating and acid Gas handling, Abu Dhabi International Petroleum Exhibition & Conference, Abu Dhabi, UAE, 2019.
[9] P.F. Biard, A. Couvert, C. Renner, Intensification of volatile organic compound absorption in a compact wet scrubber at co-current flow, Chemosphere 173(4) (2017) 612-621.
[10] P.F. Biard, A. Couvert, C. Renner, J.P. Levasseur, Assessment and optimisation of VOC mass transfer enhancement by advanced oxidation process in a compact wet scrubber, Chemosphere 77(2) (2009) 182-187.
[11] T. Inamura, N. Nagai, Spray characteristics of liquid jet traversing subsonic airstreams, J. Propuls. Power 13(2) (1997) 250-256.
[12] P.-K. Wu, K.A. Kirkendall, R.P. Fuller, A.S. Nejad, Breakup processes of liquid jets in subsonic crossflows, J. Propuls. Power 13(1) (1997) 64-73.
[13] J. Mazallon, Z. Dai, G.M. Faeth, Primary breakup of nonturbulent round liquid jets in gas crossflows, Atomization Sprays 9(3) (1999) 291-312.
[14] K.A. Sallam, C. Aalburg, G.M. Faeth, Breakup of round nonturbulent liquid jets in gaseous crossflow, AIAA J. 42(12) (2004) 2529-2540.
[15] T. Inamura, Trajectory of a liquid jet traversing subsonic airstreams, J. Propuls. Power 16(1) (2000) 155-157.
[16] T. Oda, H. Hiroyasu, M. Arai, K. Nishida, Characterization of liquid jet atomization across a high-speed airstream, JSME Int. J., Ser. B 37(4) (1994) 937-944.
[17] B. Miller, K.A. Sallam, M. Bingabr, K.C. Lin, C. Carter, Breakup of aerated liquid jets in subsonic crossflow, J. Propuls. Power 24(2) (2008) 253-258.
[18] D. Olinger, J. Lee, A. Osta, K. Sallam, K.-C. Lin, C. Carter, Digital holographic analysis of near-field aerated liquid jets in crossflow. Part I:Algorithm Development, 51st AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, Grapevine, Texas, USA, 2013.
[19] J. Becker, C. Hassa, Breakup and atomization of a kerosene jet in crossflow at elevated pressure, Atomization Sprays 12(1-3) (2002) 49-67.
[20] R. Surya Prakash, A. Sinha, G. Tomar, R.V. Ravikrishna, Liquid jet in crossflow-effect of liquid entry conditions, Exp. Thermal Fluid Sci. 93(2018) 45-56.
[21] S. Rezayat, M. Farshchi, M. Ghorbanhoseini, Primary breakup dynamics and spray characteristics of a rotary atomizer with radial-axial discharge channels, Int. J. Multiphase Flow 111(2019) 315-338.
[22] G. Vich, M. Ledoux, Investigation of a liquid jet in a subsonic cross-flow, Int. J. Fluid Mech. Res. 24(1-3) (1997) 1-12.
[23] C.L. Ng, R. Sankarakrishnan, K.A. Sallam, Bag breakup of nonturbulent liquid jets in crossflow, Int. J. Multiphase Flow 34(3) (2008) 241-259.
[24] A. Mashayek, M. Behzad, N. Ashgriz, Multiple injector model for primary breakup of a liquid jet in crossflow, AIAA J. 49(11) (2011) 2407-2420.
[25] M. Broumand, M. Birouk, Liquid jet in a subsonic gaseous crossflow:recent progress and remaining challenges, Prog. Energy Combust. Sci. 57(2016) 1-29.
[26] M. Behzad, N. Ashgriz, B.W. Karney, Surface breakup of a non-turbulent liquid jet injected into a high pressure gaseous crossflow, Int. J. Multiphase Flow 80(2016) 100-117.
[27] M. Rachner, J. Becker, C. Hassa, T. Doerr, Modelling of the atomization of a plain liquid fuel jet in crossflow at gas turbine conditions, Aerosp. Sci. Technol. 6(7) (2002) 495-506.
[28] J. Song, C. Cary Cain, J. Guen Lee, Liquid jets in subsonic air crossflow at elevated pressure, J. Eng. Gas Turbines Power 137(4) (2014) 1-12.
[29] M. Broumand, M.M.A. Ahmed, M. Birouk, Experimental investigation of spray characteristics of a liquid jet in a turbulent subsonic gaseous crossflow, Proc. Combust. Inst. 37(3) (2019) 3237-3244.
[30] P.-K. Wu, K.A. Kirkendall, R.P. Fuller, A.S. Nejad, Spray structures of liquid jets atomized in subsonic crossflows, J. Propuls. Power 14(2) (1998) 173-182.
[31] E. Lubarsky, J.R. Reichel, B.T. Zinn, R. McAmis, Spray in crossflow:dependence on weber number, J. Eng. Gas Turbines Power 132(2) (2010).
[32] E. Farvardin, M. Johnson, H. Alaee, A. Martinez, A. Dolatabadi, Comparative study of biodiesel and diesel jets in gaseous crossflow, J. Propuls. Power 29(6) (2013) 1292-1302.
[33] Y. Song, D. Hwang, K. Ahn, Effect of orifice geometry on spray characteristics of liquid jet in cross flow, 55th AIAA Aerospace Sciences Meeting, Grapevine, Texas, USA, 2017.
[34] S. Poozesh, N. Setiawan, N.K. Akafuah, K. Saito, P.J. Marsac, Assessment of predictive models for characterizing the atomization process in a spray dryer's bi-fluid nozzle, Chem. Eng. Sci. 180(2018) 42-51.
[35] S. Poozesh, S.W. Grib, M.W. Renfro, P.J. Marsac, Near-field dynamics of high-speed spray dryer coannular two fluid nozzle:Effects of operational conditions and formulations, Powder Technol. 333(2018) 439-448.
[36] S. Moon, Y. Gao, J. Wang, K. Fezzaa, T. Tsujimura, Near-field dynamics of high-speed diesel sprays:Effects of orifice inlet geometry and injection pressure, Fuel 133(2014) 299-309.
[37] O. Elshamy, S. Tambe, J. Cai, S.-M. Jeng, PIV and LDV measurements for liquid jets in crossflow, 45th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, USA, 2007.
[38] L.Q. Li, W. Huang, L. Yan, Mixing augmentation induced by a vortex generator located upstream of the transverse gaseous jet in supersonic flows, Aerosp. Sci. Technol. 68(2017) 77-89.

Spray and mixing characteristics of liquid jet in a tubular gas-liquid atomization mixer

Spray and mixing characteristics of liquid jet in a tubular gas-liquid atomization mixer

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