A comparison between numerical predictions and experimental results for horizontal core-annular flow with a turbulent annulus |
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| Institution: | 1. Transport Phenomena Research Center, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal;2. Department of Mechanical Engineering, Hanbat National University, 125 Dongseo-daero, Yuseong-gu, Daejeon 305-701, South Korea;3. Department of Biomedical and Chemical Engineering, Syracuse University, NY 13244, USA;4. Department of Physics, Syracuse University, NY 13244, USA;1. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao 266580, China;2. China Petroleum Pipeline Inspection Technologies Co. Ltd, CNPC, Langfang 065000, China;1. School of Oil & Natural Gas Engineering, Southwest Petroleum University, Chengdu 610500, China;2. Oil & Gas Fire Protection Key Laboratory of Sichuan Province, Chengdu 611731, China;1. IITB-Monash Research Academy, Mumbai, India;2. Department of Mechanical Engineering, IIT Bombay, Mumbai, India;3. School of Chemistry, Monash University, Australia;1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation·Southwest Petroleum University, Chengdu, China;2. Oil & Gas Fire Protection Key Laboratory of Sichuan Province, Chengdu, China;3. China Petroleum Engineering Co., Ltd. Southwest Company, Chengdu, China;4. Chongqing Fengdu Gas Co., Ltd., Chongqing, China |
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| Abstract: | An experimental and numerical study has been performed for oil–water core-annular flow in a horizontal pipe, with a special focus on the effect of the presence of the turbulence in the water annulus. An experimental set-up was built and the obtained experimental results were used for the validation of numerical simulations that were carried out as well. The oil density was considerably lower than the water density, which leads to a rather eccentric oil core. The numerical simulations were carried out for different time dependent, fully 3D conditions. Only when a turbulence model is applied (instead of assuming laminar flow) the agreement between the predictions and the experiments is reasonably good. |
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