Effervescent atomization

Sovani, Sandeep; Sojka, Paul E.; Lefebvre, A. H.

doi:10.1016/s0360-1285(00)00029-0

Cited by 306 publications

(224 citation statements)

References 38 publications

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“…The smallest droplets are produced by the OUIG atomizer in this particular regime, see figure 5. This corresponds to the previous works on the effervescent atomizer where it was proved that at low GLR regimes, during which the atomizer operates at bubbly internal flow, the atomizer is able to perform small droplet distribution thanks to the specific breakup process [3,4].…”

Section: Fisupporting

confidence: 86%

“…Ideally small bubbles of air are created inside the liquid stream, so called bubbly flow [14]. This regime is typical for values lower than 5% of GLR [3,5]. Higher values lead to change of internal flow pattern from bubbly flow to an annular flow.…”

Section: Outside-in Gas Effervescent Atomizermentioning

confidence: 99%

“…A two phase flow is then pushed downstream to the exit orifice and it is disintegrated when it passes through the exit orifice [17]. The character of the two phase flow depends mainly on the GLR and on the dimensions of the mixing chamber [3,5,18]. Therefore differences between examined operating regimes are expected.…”

Section: Outside-in Gas Effervescent Atomizermentioning

confidence: 99%

“…Two-phase flow is created inside the atomizer and it is pushed downstream through the atomizer and disintegrates after passing the exit orifice. Liquid is shattered by the rapidly expanding gas [2][3][4]. This paper is focused on four different twin-fluid atomizers designed for spraying of light heating oil.…”

Section: Introductionmentioning

confidence: 99%

“…Atomizers were examined mostly on the basis of input parameters such as operating pressure, gas to liquid ratio (GLR), dimensions of the nozzle, liquid physical properties and ambient conditions and its influence on the resulting spray quality [3][4][5]. Majority of studies which deal with twin fluid atomizers are focused directly on one type of atomizer.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Steadiness and Drop Size Distribution in Sprays Generated by Different Twin-Fluid Atomizers

Zaremba

Mlkvik

Malý

et al. 2015

EPJ Web of Conferences

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Abstract. Twin-fluid atomizers underwent a significant development during the last few decades. They are common in many industrial applications such as fuel spraying, melt atomization and food processing. This paper is focused on the evaluation of four different twin-fluid atomizers. The aim is to compare the quality of sprays generated by various atomizers with similar dimensions and in the same operating regimes. A phaseDoppler anemometry (PDA) and particle image velocimetry (PIV) were used to measure spray characteristics such as velocity and size of the droplets. Measured data were used to compare droplet size distribution and to evaluate steadiness of the spray. Visualisations were made to support measured data and to clarify the principles of primary atomization and its influence on the spray.

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Section: Fisupporting

confidence: 86%

Section: Outside-in Gas Effervescent Atomizermentioning

confidence: 99%

Section: Outside-in Gas Effervescent Atomizermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Evaluation of Steadiness and Drop Size Distribution in Sprays Generated by Different Twin-Fluid Atomizers

Zaremba

Mlkvik

Malý

et al. 2015

EPJ Web of Conferences

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Multiphase Dynamics and Pollutant Formation

McDonell

Dunn‐Rankin

2010

Encyclopedia of Aerospace Engineering

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This chapter discusses the controlling phenomena associated with the combustion of liquid and solid fuels for aerospace applications. The key physical processes and governing factors are reviewed within the context of the fluid mechanical devices and systems that are generally utilized in aerospace power and propulsion systems. A general discussion of the role of fuels in terms of pollutant formation as well as combustion system operability is provided. Finally, some comments are made to summarize the material discussed.

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Industrial Steam Boilers

Barroso¹,

Barreras²,

Ballester³

et al. 2010

Handbook of Combustion

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This chapter summarizes the essentials and trends of steam generation in industrial boilers burning fossil and biofuels. A descriptive overview of the present technology, main combustion systems and heat transfer schemes is first provided, after which the principles of conventional design methods and trends and achievements of computational fluid dynamics‐based techniques for boiler design are discussed. Combustion diagnostics and control systems, and their influence on both boiler efficiency and fouling and slagging on heat‐transfer surfaces, are also analyzed. Finally, the technology outlook for steam boilers is discussed, notably in respect of improving their efficiency and reducing the environmental impact of gas and solid emissions. New boiler concepts are addressed, including topics such as supercritical boilers, low‐NO x burners, and oxycombustion systems.

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Effervescent atomization

Cited by 306 publications

References 38 publications

Evaluation of Steadiness and Drop Size Distribution in Sprays Generated by Different Twin-Fluid Atomizers

Evaluation of Steadiness and Drop Size Distribution in Sprays Generated by Different Twin-Fluid Atomizers

Multiphase Dynamics and Pollutant Formation

Industrial Steam Boilers

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