Effect of Slip and Phase Change on Sound Velocity in Steam-Water Mixtures and Relation to Critical Flow

DeJong, V. J.; Firey, J. C.

doi:10.1021/i260027a024

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…A comparison between theoretical results from the present model and the experimental one, which was obtained by DeJong and Firey [2] and England, et al [3] at a pressure of 3.0 bar, is illustrated in Fig.(7). From this figure, it is clear that the.…”

Section: Governing Equationssupporting

confidence: 54%

“…This problem has received considerable attention both experimentally and theoretically in the field of two phase flow. Measurements have been presented by several investigators for the propagation speed of pressure and/or rarefaction waves in wet steam flow [1][2][3] or in vapour-liquid mixtures [4]. Few theoretical researches can be found in the literature concern with predicting the acoustic velocity variation in two phase or wet steam flows.…”

Section: Introductionmentioning

confidence: 99%

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Investigation of the Acoustic Velocity in a Nonequilibrium Wet Steam Flow

Mahmoud

1991

International Conference on Aerospace Sciences and Aviation Tec

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The acoustic velocity in a nonequilibrium wet steam flow has been investigated theoretically. Modified equations of unsteady onedimensional wet steam flow are taken to describe the propagation of a plane pressure wave of very small amplitude through the wet steam flow. These equations are derived for the conditions of nucleating and non-nucleating wet steam assuming that the vapour phase obeys the perfect gas law and the water and vapour phases are in disequilibrium both thermally and dynamically. The acoustic velocity is shown to depend mainly on the steam wetness, flow nonequilibrium characteristics (i.e., vapour supercooling and slip ratio) and flow pressure; while it slightly affected by the size of droplets and nucleation occurrence.

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Section: Governing Equationssupporting

confidence: 54%

Section: Introductionmentioning

confidence: 99%

Investigation of the Acoustic Velocity in a Nonequilibrium Wet Steam Flow

Mahmoud

1991

International Conference on Aerospace Sciences and Aviation Tec

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Prediction of pressure surge in a one-component two-phase bubbly flow

Akagawa

Fujii

Tsubokura

et al. 1986

Nuclear Engineering and Design

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The Propagation Velocity of a Small Rarefaction Wave in a Non-Equilibrium Vapour-Liquid Bubble Flow: A Prediction of the Onset of Choked Flow

Baum

Horn

1971

Journal of Mechanical Engineering Science

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A choked or critical flow condition can occur in a two-phase flow similar to that which is observed in a single phase compressible flow. Choking occurs when the velocity of the fluid becomes equal to the rate at which a small rarefaction wave will propagate upstream in the flow. The influence of slip and departures from thermal equilibrium on the propagation velocity of a small rarefaction wave are demonstrated.

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Effect of Slip and Phase Change on Sound Velocity in Steam-Water Mixtures and Relation to Critical Flow

Cited by 4 publications

References 3 publications

Investigation of the Acoustic Velocity in a Nonequilibrium Wet Steam Flow

Investigation of the Acoustic Velocity in a Nonequilibrium Wet Steam Flow

Prediction of pressure surge in a one-component two-phase bubbly flow

The Propagation Velocity of a Small Rarefaction Wave in a Non-Equilibrium Vapour-Liquid Bubble Flow: A Prediction of the Onset of Choked Flow

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