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Received September 9, 2013
Accepted February 24, 2014
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Experimental study on performance of steam-water injector with central water nozzle arrangement
State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
dtchong@mail.xjtu.edu.cn
Korean Journal of Chemical Engineering, September 2014, 31(9), 1539-1546(8), 10.1007/s11814-014-0067-6
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Abstract
The steam-water injector (SI) is a simple mechanical device that has been widely used in industry. We did an experimental study to find the influence of physical and geometrical parameters on performance of the SI. The physical parameters studied were steam inlet pressure, water inlet pressure and water inlet temperature. Whereas, the geometrical parameters studied were steam nozzle area ratio, area ratio of steam nozzle to water nozzle and the mixing_x000D_
section converging angle. Pump head was introduced to evaluate the lifting-pressure performance of the SI under different operating and geometrical conditions. Optimal values of steam nozzle area ratio and mixing section converging angle were 1.3 and 11.6o respectively, for the present work, and optimal value of area ratio of steam nozzle to water nozzle increased with increasing water inlet pressure. Two head-capacity curves were introduced to highlight the effect_x000D_
of various physical and geometrical parameters on the performance of SI.
Keywords
References
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Ruangtrakoon N, Aphornratana S, Sriveerakul T, Exp. Therm. Fluid Sci., 35, 676 (2011)
Dai XC, Huo J, Appl. Mech. Mater., 130, 1703 (2012)
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Munson BR, Young DF, Okiishi TH, Fundamentals of fluid mechanics, Inc., Wiley (2005)
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Cengel YA, Boles MA, Thermodynamics - an engineering approach, McGraw Hill (2006)
Volk M, Pump characteristics and applications, CRC Press, Taylor and Francis Group (2005)
