Experimental investigation on the slip between oil and water in horizontal pipes |
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| Institution: | 1. School of Marine Science and Technology, Tianjin University, Tianjin 300072, China;2. Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin 300072, China;3. School of Engineering, The University of Warwick, Coventry CV4 7AL, UK;1. Instituto de Recursos Naturales, Agroecología y Desarrollo Rural (IRNAD), Argentina;2. Laboratorio de Investigación de Sistemas Ecológicos y Ambientales, Facultas de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, Argentina;3. Chair of Tropical and International Forestry, Technical University Dresden, Germany |
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| Abstract: | This work is devoted to study of the slip phenomenon between phases in water–oil two-phase flow in horizontal pipes. The emphasis is placed on the effects of input fluids flow rates, pipe diameter and viscosities of oil phase on the slip. Experiments were conducted to measure the holdup in two horizontal pipes with 0.05 m diameter and 0.025 m diameter, respectively, using two different viscosities of white oil and tap water as liquid phases. Results showed that the ratios of in situ oil to water velocity at the pipe of small diameter are higher than those at the pipe of big diameter when having same input flow rates. At low input water flow rate, there is a large deviation on the holdup between two flow systems with different oil viscosities and the deviation becomes gradually smaller with further increased input water flow rate. |
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