Predictive model for critical wave amplitude at the onset of entrainment in oil-water Flow

Talal Al-Wahaibi*, Panagiota Angeli

*المؤلف المقابل لهذا العمل

نتاج البحث: Conference contribution

3 اقتباسات (Scopus)

ملخص

The characteristics of the waves at the interface during oil-water flow when drops are formed and entrainment of one phase into the other starts were studied both theoretically and experimentally. Theoretically a model was developed based on Kelvin-Helmholtz instability that included surface tension and predicted critical wave amplitude that leads to entrainment for a specific wavelength. Experimentally wave characteristics before and at the onset of entrainment were investigated by measuring the instantaneous fluctuation of the interface between oil (6mPas, 828kg/m3) and water in a 0.038m diameter stainless steel pipe using a conductivity probe. It was found that the critical wave amplitude decreases with increasing wavelength. Also as the difference in velocity between the two phases decreases the critical wave amplitude increases. The model was able to predict the wave amplitude at the onset of entrainment when an experimental wave velocity was used.

اللغة الأصليةEnglish
عنوان منشور المضيفPapers presented at
العنوان الفرعي لمنشور المضيف12th International Conference on Multiphase Production Technology '05
المحررونA. Hunt
الصفحات627-641
عدد الصفحات15
حالة النشرPublished - 2005
الحدث12th International Conference on Multiphase Production Technology '05 - Barcelona, Spain
المدة: مايو ٢٥ ٢٠٠٥مايو ٢٧ ٢٠٠٥

سلسلة المنشورات

الاسم12th International Conference on Multiphase Production Technology '05

Other

Other12th International Conference on Multiphase Production Technology '05
الدولة/الإقليمSpain
المدينةBarcelona
المدة٥/٢٥/٠٥٥/٢٧/٠٥

ASJC Scopus subject areas

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