Water flow studies using split-film anemometry

Al-Deen, M F N; Samways, Andrew L.; Bruun, Hans Henrik

doi:10.1088/0957-0233/7/10/022

Cited by 5 publications

(2 citation statements)

References 9 publications

(12 reference statements)

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“…Recent measurements with dual-sensor probes (X and split-fibre (SF)) revealed that the conductivity of the water could lead to severe calibration and signal interpretation problems. Because we had originally filled the system with de-ionized water this problem emerged over a period of time and the solution was to pass the water in the storage tank regularly through the de-ionizer unit (Al-Deen et al 1996a).…”

Section: Optimum Flow Conditionsmentioning

confidence: 99%

A comparative study of single normal, X type and split-film anemometer probe measurements in kerosene/water two-phase flow

Al-Deen¹,

Bruun²

1997

Meas. Sci. Technol.

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This paper describes the use of hot-film anemometry in two-phase liquid - liquid flows with particular reference to kerosene/water flows. The origin of this research work was an experimental study of `bubbly' kerosene/water two-phase flow in a vertical pipe, in which detailed flow information was required for the continuous water phase. A detailed study was carried out to identify (i) the optimized fluid-flow conditions for hot-film measurements in kerosene/water flows, (ii) accurate long-term stable calibration procedures and (iii) two-phase flow-measurement techniques for identifying the bubble (or droplet) part and the continuous phase part of the hot-film signal. Computer-based calibration and related signal analysis procedures have been developed and implemented for single normal (SN), X array and split-fibre (SF) hot-film probes. An outline of the methodology is given for each technique. The compatability of the three hot-film probe techniques was demonstrated by comparative volume fraction and continuous phase measurements in kerosene/water flow for the volume fraction, , range 5 - 40%.

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Section: Optimum Flow Conditionsmentioning

confidence: 99%

A comparative study of single normal, X type and split-film anemometer probe measurements in kerosene/water two-phase flow

Al-Deen¹,

Bruun²

1997

Meas. Sci. Technol.

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“…Hot-wire anemometry can also be used to measure volume fraction and statistical velocity parameters of the continuous phase in twocomponent two-phase flow. 11,12 Early studies show that the results for onecomponent two-phase flow with phase change are not consistent with the calibrated measurements. 13 More recently, successful measurements of two-phase dispersed flow velocity were obtained using a hot-film probe.…”

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confidence: 99%