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GAS-LIQUID SLUG FREQUENCY AND SLUG UNIT LENGTH IN HORIZONTAL PIPES | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 15, Issue 3, 2015, Pages 166-180 | ||
| Authors | ||
| Dr. Esam M. Abed; Zainab K. Gheben | ||
| Abstract | ||
| The object of this work is to gain insight into gas-liquid slug flow frequency and the slug unit lengths in horizontal circular transparent pipe of 25.4mm inner diameter and 6m length, experiments done at atmospheric condition with air and water as the working fluids. The superficial gas velocity ranged from 3.947 m/s to 6.579 ms with superficial liquid velocity around 0.986 m/s and 1.974 ms. The effects of superficial gas velocity, superficial liquid velocity on slug frequency and slug unit lengths were taken into account. However, the essentials of the problem involve the determination of the slug frequency and slug unit length.In this experimental work a video camera system with image processing technique by MATLAB were used to extract the slug frequency and the slug unit lengths, which contain slug body length and Taylor bubble length or film region length. New data for slug frequency and slug unit lengths were found which achieved good agreements with the previous works. | ||
| Keywords | ||
| Gas; liquid; slug; image processing; frequency; air; water; slug unit length | ||
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