NDLI: Numerical investigation of heat transfer characteristics for Subsea Xmas tree assembly

Content Provider	Springer Nature Link
Author	Hu, Biao Zhu, Hongwu Ding, Kuang Xu, Fangling Zhang, Youjiang
Copyright Year	2015
Abstract	This study focuses on the heat transfer characteristic of a horizontal subsea Xmas tree assembly at a high spatial resolution. Computational fluid dynamics (steady Reynolds-averaged Navier-Stokes) in combination with Low Reynolds number modelling (LRNM) is adopted for heat transfer analysis, which has been validated against a full scale underwater gate valve heat transfer experiment with good agreements. The characteristics of cold sea water flowing through the subsea tree, and of convection heat transfer between the subsea tree and ambient cold water are obtained. The typical “hot spots,” which have high Convection heat transfer coefficient (CHTC) and create great large amounts of heat loss, are numerically determined. Under the designed water depth, the effects of installation orientation, sea water velocity, and inner oil temperature on convection heat transfer are investigated as well. Such work is significant for thermal design of the subsea tree to increase structural reliability and flow assurance level.
Starting Page	4933
Ending Page	4942
Page Count	10
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	29
Issue Number	11
e-ISSN	19763824
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2015-12-05
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Subsea Xmas tree Conjugate heat transfer CFD Numerical analysis LRNM Thermal-fluid system Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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