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Multiphase Science and Technology

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ISSN Печать: 0276-1459

ISSN Онлайн: 1943-6181

SJR: 0.144 SNIP: 0.256 CiteScore™:: 1.1 H-Index: 24

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EXPERIMENTAL INVESTIGATION OF GEOMETRIC SCALING ON ATOMIZATION IN A TWO-PHASE GAS/LIQUID SPRAY

Том 22, Выпуск 2, 2010, pp. 133-155
DOI: 10.1615/MultScienTechn.v22.i2.30
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Краткое описание

In this study the atomization performance of a full-scale industrial air-liquid nozzle is compared to a one-quarter model. The objective is to establish a global Sauter mean diameter D32(gb) correlation as a function of nozzle size (D) in a two-phase gas/liquid (TPGL) spray atomization. This information is to be used in the design and development of nozzles for heavy oil upgrading industry. Compressed air was used as the gas phase; the liquids were water, canola oil, and glycerine solutions all at room temperature. The liquid flow rates were varied from 0.095 to 0.195 L/s, and the gas-to-liquid-ratio (β), by mass, was fixed at 1%, similar to commercial fluid coker nozzles. Fluid mixing pressures in the test were between 516 and 1000 kPa. The D32 within the spray was measured using a Dantec 2-D phase-Doppler particle anemometer (PDPA) with measurements performed at axial distances of 100, 202, and 405 mm from the nozzle exit and within spray widths of +50 to -50 mm in the horizontal plane. Experimental results show that if the D is increased from 3.1 to 4.1 mm (1.3 times), D does not show a change on D32 and equates to the power of 0.1 (glycerine solution sprays at μL = 67 mPa s) to 0.9 (water sprays at μL = 1 mPa s). Finally, the D32(gb) correlation as a function of geometric scaling estimated drop size within a 17% maximum deviation between the experimental and curve fit data.

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ЦИТИРОВАНО В
  1. Rahman M.A., Balzan M., Heidrick T., Fleck B.A., Effects of the gas phase molecular weight and bubble size on effervescent atomization, International Journal of Multiphase Flow, 38, 1, 2012. Crossref

  2. Rahman Mohammad Azizur, Vakili-Farahani Farzad, Force measurement of a gas-assisted atomization using an impulse probe, International Journal of Multiphase Flow, 112, 2019. Crossref

  3. Manikonda Kaushik, Islam Raka, Obi Chinemerem Edmond, Hasan Abu Rashid, Sleiti Ahmad Khalaf, Abdelrazeq Motasem Wadi, Hassan Ibrahim Galal, Rahman Mohammad Azizur, Horizontal Two-Phase Flow Regime Identification with Machine Learning Classification Models, Day 1 Mon, February 21, 2022, 2022. Crossref

  4. Barooah Abinash, Khan Muhammad Saad, Khaled Mohamed Shafik, Rahman Mohammad Azizur, Hassan Ibrahim, Hasan Rashid, Maheshwari Priyank, Hascakir Berna, Investigation of cutting transport in horizontal/deviated annulus using visualization and pressure drop techniques for two-phase slurry flow, Journal of Natural Gas Science and Engineering, 100, 2022. Crossref

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