Results 11 to 20 of about 412 (167)
CFD for Subcooled Flow Boiling: Parametric Variations [PDF]
Science and Technology of Nuclear Installations, 2013 We investigate the present capabilities of CFD for wall boiling. The computational model used combines the Euler/Euler two-phase flow description with heat flux partitioning.
Roland Rzehak, Eckhard Krepper
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A study on transition process to MEB by limiting boiling space
Journal of Thermal Science and Technology, 2021 The study of microbubble emission boiling (MEB) is gaining popularity because it violently emits several microbubbles during subcooled pool boiling, for which the heat flux is greater than the critical heat flux (CHF).
Kendai KAWAKAMI +3 more
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Nuclear Engineering and Technology, 2022 In the one-dimensional thermal-hydraulic (TH) codes, a subcooled boiling model to predict the void fraction profiles in a vertical channel consists of wall heat flux partitioning, the vapor condensation rate, the bubbly-to-slug flow transition criterion,
Tae Beom Lee, Yong Hoon Jeong
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Improvement of the MARS subcooled boiling model for a vertical upward flow
Nuclear Engineering and Technology, 2019 In the thermal-hydraulic system codes, such as MARS and RELAP5/MOD3, the Savannah River Laboratory (SRL) model has been adopted as a subcooled boiling model.
Tae-Wook Ha, Jae Jun Jeong, Byong-Jo Yun
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Direct Numerical Simulation and Visualization of Subcooled Pool Boiling
Science and Technology of Nuclear Installations, 2014 A direct numerical simulation of the boiling phenomena is one of the promising approaches in order to clarify their heat transfer characteristics and discuss the mechanism.
Tomoaki Kunugi, Yasuo Ose
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Interface Tracking Simulation for Subcooled Flow Boiling Using VOSET Method
Frontiers in Energy Research, 2021 This article presents a numerical simulation on subcooled flow boiling at a high-pressure condition. An interface tracking method, VOSET, was used to handle the moving interface, and conjugate heat transfer between the wall and the fluid was included in ...
Kong Ling +6 more
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Modeling and Simulation Analysis on Mixing Characteristics of Two-Phase Flow Around Spacer Grid
Frontiers in Energy Research, 2022 The spacer grid has a significant impact on the thermal-hydraulic characteristics of the rod bundle channel, which directly determines the possibility of a boiling crisis.
Y. Xiao +5 more
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Nihon Kikai Gakkai ronbunshu, 2014 From the viewpoint of safety design of nuclear reactor and economic terms, for PWR, it is important to clear the mechanism of DNB and predict accurately the critical heat flux under vertical subcooled flow boiling condition.
Mitsuru YAMADA, Shinichi MOROOKA
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Journal of Engineering, 2020 The current study presents an experimental investigation of heat transfer and flow characteristic for subcooled flow boiling of deionized water in the microchannel heat sink.
Suha A. Mohammed, Ekhlas M. Fayyadh
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Frontiers in Energy Research, 2022 The interfacial area concentration (IAC) is of vital importance in determining the interfacial transfer terms of mass, momentum, and energy between phases in the two-fluid model.
Longxiang Zhu +4 more
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