Two-fluid equations for two-phase flows in moving systems

Two-fluid equations for two-phase flows in moving systems

Recently, ocean nuclear reactors have received attention due to enhanced safety features. The movable and transportable characteristics distinguish ocean nuclear reactors from land-based nuclear reactors. Therefore, for safety/design analysis of the ocean reactor, the thermos-hydraulics must be inve...

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Main Authors: Byoung Jae Kim, Myung Ho Kim, Seung Wook Lee, Kyung Doo Kim
Format: Article
Language:English
Published: Elsevier 2019-09-01
Series:Nuclear Engineering and Technology
Online Access:http://www.sciencedirect.com/science/article/pii/S1738573319301093
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spelling doaj-583dd615e289419ab973655bbf8ad4d32020-11-25T02:06:29ZengElsevierNuclear Engineering and Technology1738-57332019-09-0151615041513Two-fluid equations for two-phase flows in moving systemsByoung Jae Kim0Myung Ho Kim1Seung Wook Lee2Kyung Doo Kim3School of Mechanical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea; Corresponding author.School of Mechanical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of KoreaThermal-Hydraulic Safety Research Division, Korea Atomic Energy Research Institute, 111 Daedeok-daero 989, Yuseong-gu, Daejeon, 305-353, Republic of KoreaThermal-Hydraulic Safety Research Division, Korea Atomic Energy Research Institute, 111 Daedeok-daero 989, Yuseong-gu, Daejeon, 305-353, Republic of Korea; Corresponding author.Recently, ocean nuclear reactors have received attention due to enhanced safety features. The movable and transportable characteristics distinguish ocean nuclear reactors from land-based nuclear reactors. Therefore, for safety/design analysis of the ocean reactor, the thermos-hydraulics must be investigated in the moving system. However, there are no studies reporting the general two-fluid equations that can be used for multi-dimensional simulations of two-phase flows in moving systems. This study is to systematically formulate the multi-dimensional two-fluid equations in the non-inertial frame of reference. To demonstrate the applicability of the formulated equations, we perform a total of six different simulations in 2D tanks with translational and/or rotational motions. Keywords: Ocean nuclear reactor, Thermal-hydraulics, Two-fluid equation, Moving systemhttp://www.sciencedirect.com/science/article/pii/S1738573319301093
collection DOAJ
language English
format Article
sources DOAJ
author Byoung Jae Kim
Myung Ho Kim
Seung Wook Lee
Kyung Doo Kim
spellingShingle Byoung Jae Kim
Myung Ho Kim
Seung Wook Lee
Kyung Doo Kim
Two-fluid equations for two-phase flows in moving systems
Nuclear Engineering and Technology
author_facet Byoung Jae Kim
Myung Ho Kim
Seung Wook Lee
Kyung Doo Kim
author_sort Byoung Jae Kim
title Two-fluid equations for two-phase flows in moving systems
title_short Two-fluid equations for two-phase flows in moving systems
title_full Two-fluid equations for two-phase flows in moving systems
title_fullStr Two-fluid equations for two-phase flows in moving systems
title_full_unstemmed Two-fluid equations for two-phase flows in moving systems
title_sort two-fluid equations for two-phase flows in moving systems
publisher Elsevier
series Nuclear Engineering and Technology
issn 1738-5733
publishDate 2019-09-01
description Recently, ocean nuclear reactors have received attention due to enhanced safety features. The movable and transportable characteristics distinguish ocean nuclear reactors from land-based nuclear reactors. Therefore, for safety/design analysis of the ocean reactor, the thermos-hydraulics must be investigated in the moving system. However, there are no studies reporting the general two-fluid equations that can be used for multi-dimensional simulations of two-phase flows in moving systems. This study is to systematically formulate the multi-dimensional two-fluid equations in the non-inertial frame of reference. To demonstrate the applicability of the formulated equations, we perform a total of six different simulations in 2D tanks with translational and/or rotational motions. Keywords: Ocean nuclear reactor, Thermal-hydraulics, Two-fluid equation, Moving system
url http://www.sciencedirect.com/science/article/pii/S1738573319301093
work_keys_str_mv AT byoungjaekim twofluidequationsfortwophaseflowsinmovingsystems
AT myunghokim twofluidequationsfortwophaseflowsinmovingsystems
AT seungwooklee twofluidequationsfortwophaseflowsinmovingsystems
AT kyungdookim twofluidequationsfortwophaseflowsinmovingsystems
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