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  • Hai, Duong Ngoc  (3)
  • Thien, Nguyen Duy  (3)
  • 1
    Online Resource
    Online Resource
    Some initial experimental results on the conditions of free water layer formation in horizontal pipes
    Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications) ; 1999
    In:  Vietnam Journal of Mechanics Vol. 21, No. 3 ( 1999-09-30), p. 173-178
    Details
    In: Vietnam Journal of Mechanics, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), Vol. 21, No. 3 ( 1999-09-30), p. 173-178
    Abstract: This paper presents an experimental facility conducted in Hanoi Institute of Mechanics to investigate multiphase How pattern in the pipes. First and foremost, it is used to define the conditions of water layer formation in the horizontal pipe.Experimental results have been obtained in stainless steel pipes of three different diameters (24.6mm; 30.8mm and 40.5mm) with white spindle oil N° 10 and water. They have been shown in the form of water layer maps.
    Type of Medium: Online Resource
    ISSN: 2815-5882 , 0866-7136
    URL: Article
    DOI: 10.15625/0866-7136/9999
    Language: Unknown
    Publisher: Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications)
    Publication Date: 1999
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Experimental results of gaslift process
    Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications) ; 2008
    In:  Vietnam Journal of Mechanics Vol. 30, No. 2 ( 2008-07-01), p. 89-98
    Details
    In: Vietnam Journal of Mechanics, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), Vol. 30, No. 2 ( 2008-07-01), p. 89-98
    Abstract: In the paper, the investigation results of periodical gas-lift flows in vertical pipes using experiment method are presented. The experiment facilities consist of flow measurement equipment, gas and fluid supplier facilities, tubing system. To study the influence of medium physical and dynamical characteristics on the process efficiency, two liquid-gas systems are used, namely, water-air and spindle oil-air. The objects of investigation are to obtain data from tests conducted in some conduits and to analyse the influence of system physical, geometrical and etc. parameters such as: initial liquid height in the conduits, gas injected volume, conduit diameter, conduit configuration and etc. on the considered process.
    Type of Medium: Online Resource
    ISSN: 2815-5882 , 0866-7136
    URL: Article
    DOI: 10.15625/0866-7136/30/2/5621
    Language: Unknown
    Publisher: Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications)
    Publication Date: 2008
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Intermittent gaslift flows in vertical pipes
    Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications) ; 2007
    In:  Vietnam Journal of Mechanics Vol. 29, No. 3 ( 2007-09-22), p. 321-335
    Details
    In: Vietnam Journal of Mechanics, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), Vol. 29, No. 3 ( 2007-09-22), p. 321-335
    Abstract: The paper presents the study results of intermittent gaslift. vertical flows using both experiment and theoretical models. To study the influence of medium thermophysical characteristics on the process efficiency, two gas-liquid systems are used in the experiments. The obtained results show that there is a critical gas injection volume, less than that the liquid slug cannot reach the top of the tubing. Correlations for prediction of liquid entrainment in gas core are also shown for two presented gas-liquid systems. Amodified dynamical model was developed. The model consists of a system of differential equations. The resulting system of equations is numerically solved. The numerical code is verified by using experimental data and calculation data of the other authors. Finally, the effects of system parameters are studied.
    Type of Medium: Online Resource
    ISSN: 0866-7136 , 0866-7136
    URL: Article
    DOI: 10.15625/0866-7136/29/3/5543
    Language: Unknown
    Publisher: Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications)
    Publication Date: 2007
    Location Call Number Limitation Availability
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    Online Resource
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