Breakup of gas bubbles in a liquid by shock waves

Gel’fand, B. E.; Gubin, S. A.; Kogarko, S. M.; Simakov, Sergey; Timofeev, E. I.

doi:10.1007/bf01026700

Fluid Dyn

1976

DOI: 10.1007/bf01026700

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Breakup of gas bubbles in a liquid by shock waves

B. E. Gel’fand¹,

S. A. Gubin²,

S. M. Kogarko³

et al.

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1976

2007

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Cited by 8 publications

(2 citation statements)

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“…As was shown in [16], there arises instability of the gas-liquid interface owing to their relative motion (Kelvin-Helmholtz instability), which leads to fragmentation of the gas bubble into small gas inclusions (ΔP/P 0 ≈ 1.3). The size of inclusions is smaller than the original bubble size by an order of magnitude.…”

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confidence: 94%

Shock waves in water with Freon-12 bubbles and formation of gas hydrates

Dontsov

Nakoryakov

Chernov

2007

J Appl Mech Tech Phys

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The evolution of a shock wave and its reflection from a wall in a gas-liquid medium with dissolution and hydration are experimentally investigated. Dissolution and hydration behind the front of a moderate-amplitude shock wave are demonstrated to be caused by fragmentation of gas bubbles, resulting in a drastic increase in the area of the interphase surface and in a decrease in size of gas inclusions. The mechanisms of hydration behind the wave front are examined. Hydration behind the front of a shock wave with a stepwise profile is theoretically analyzed.Power engineering companies that use natural gas as a source of energy face many important problems, including the efficiency of gas transportation and storage. If no pipeline is available, a promising method for gas transportation is its conversion to a gas-hydrate (solid) state and transportation at atmospheric pressure and reduced temperature (−10 to −20 • C) [1][2][3][4]. According to the data of [1-4], the gas-hydrate technology of natural gas transportation and storage is particularly beneficial for small-scale and offshore fields of natural gas. Specialists' estimates predict that approximately 80% of the total world resources of free natural gas are located in mediumand small-scale deposits, and approximately half of them are located on the coastal shelf. Gas hydrates can be used on thermal power plants and in those industries that require large amounts of gas, where environmental pollution should be restricted.There are various methods of intensification of gas hydration: fine-dispersion spraying of a jet saturated by a gas in a gas atmosphere [5][6][7], intense mixing of water saturated by a gas dissolved in it [6,8], vibrational action on a liquid saturated by a gas [9], and ultrasonic action on a medium [10]. The main drawback of these methods is the low rate of gas hydration and, as a consequence, low efficiency of facilities developed on the basis of these methods. A possible application of this technology is desalination of mineral waters by the crystal-hydrate method. The use of Freon hydrates for this purpose is very simple in the engineering aspect and economically beneficial [11]. Experimental data on the rate of formation of Freon hydrates by intense mixing of salt water with a gas phase, aimed at water desalination, are described in [11].The properties of gas hydrates, the basic laws, mechanisms of formation, and types of crystallization are described in [12][13][14]. Much attention is paid to physicochemical methods of investigating both artificial and natural gas hydrates.Propagation of moderate-amplitude shock waves in a vertical shock tube filled by water with gas bubbles (Freon-12) with dissolution and hydration in the wave was experimentally investigated in the present work. Fragmentation of gas bubbles, their dissolution, and formation of the Freon-12 hydrate behind a moderate-amplitude shock wave in water with gas bubbles were studied. Hydration behind the front of a shock wave with a stepwise profile was theoretically analyzed, and t...

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confidence: 94%

Shock waves in water with Freon-12 bubbles and formation of gas hydrates

Dontsov

Nakoryakov

Chernov

2007

J Appl Mech Tech Phys

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show abstract

“…The structure and properties of wave perturbations of different amplitudes and durations in bubble media were considered in [3][4][5][6][7][8][9][10][11][12][13]. Interaction of gas bubbles with shock waves were studied in [14,15]. Reflection of shock waves in bubble media from a solid wall was considered in [16][17][18][19][20][21][22].…”

mentioning

confidence: 99%

Transformation of shock waves at the interface of bubble media

Sychev

2006

Combust Explos Shock Waves

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Nonsteady shock waves in gas-liquid mixtures of bubble structure

Губайдуллин¹,

Ivandaev²,

Нигматулин³

1978

J Appl Mech Tech Phys

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Breakup of gas bubbles in a liquid by shock waves

Cited by 8 publications

References 3 publications

Shock waves in water with Freon-12 bubbles and formation of gas hydrates

Shock waves in water with Freon-12 bubbles and formation of gas hydrates

Transformation of shock waves at the interface of bubble media

Nonsteady shock waves in gas-liquid mixtures of bubble structure

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