Results 21 to 30 of about 8,843 (212)

Analysis of critical heat flux under vertical subcooled flow boiling condition (Development and evaluation for prediction method of DNB heat flux under non-uniform axial heat flux condition)

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
doaj   +1 more source

Experimental investigation of non-uniform heating effect on flow boiling instabilities in a microchannel-based heat sink [PDF]

, 2011
Copyright @ 2011 ElsevierTwo-phase flow boiling in microchannels is one of the most promising cooling technologies for coping with high heat fluxes produced by the next generation of central processor units (CPUs).
A.J. Walton, Bergles, Bogojevic, D. Bogojevic, D.B.R. Kenning, G. Cummins, H. Lin, Hetsroni, K. Sefiane, Kandlikar, Kenning, Kosar, Lin, Qu, Revellin, T.G. Karayiannis, Wang, Zhang   +17 more
core   +1 more source

Experimental Study on Heat Transfer and Flow Characteristics in Subcooled Flow Boiling in a Microchannel

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
doaj   +1 more source

Comparison of Intergroup Mass Transfer Coefficient Correlations in Two-Group IATE for Subcooled Boiling Flow

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, Longxiang Zhu, Joseph L. Bottini, Caleb S. Brooks, Luteng Zhang   +4 more
doaj   +1 more source

Modeling of subcooled flow boiling for hypervapotron in divertor of fusion reactor based on RPI model

Case Studies in Thermal Engineering, 2023
The divertor is the key in-vessel component to remove the high heat flux and impurities in magnetic confinement fusion reactor. Hypervapotron (HV) has been developed as one of the candidates for cooling structure of divertor, owing to its excellent heat ...
Zhengze Wu, Xinyuan Qian, Xuebin Peng, Yuntao Song, Wei Song, Fangzhou Song, Ping Liu   +6 more
doaj   +1 more source

Saturated Critical Heat Flux in a Multi-Microchannel Heat Sink Fed by a Split Flow System [PDF]

, 2010
An extensive experimental campaign has been carried out for the measurement of saturated critical heat flux in a multi-microchannel copper heat sink. The heat sink was formed by 29 parallel channels that were 199 μm wide and 756 μm deep.
D. Toto, G. P. Vanoli, J. R. Thome, MAURO, ALFONSO WILLIAM   +3 more
core   +1 more source

Investigation on the Subcooled Boiling in Vertical Pipe With Uncertainties From Boundary Conditions by Using FLUENT

Frontiers in Energy Research, 2018
Subcooled boiling flow taking place in the reactor system plays a critical role in the safety of nuclear power plants. It has been studied by experiments and system codes in the past decades.
Xiang Zhang, Rui Zhang, Xindi Lv, Tenglong Cong   +3 more
doaj   +1 more source

Derivation and Uncertainty Quantification of a Data-Driven Subcooled Boiling Model

Energies, 2020
Subcooled flow boiling occurs in many industrial applications where enormous heat transfer is needed. Boiling is a complex physical process that involves phase change, two-phase flow, and interactions between heated surfaces and fluids.
Jerol Soibam, Achref Rabhi, Ioanna Aslanidou, Konstantinos Kyprianidis, Rebei Bel Fdhila   +4 more
doaj   +1 more source

Experimental Study of Subcooled Flow Boiling on Heterogeneous Wetting Surface

Zhileng xuebao, 2023
With the recent increase in power density and miniaturization of various equipment, the requirements for compactness and efficiency of heat exchangers become increasingly stringent. Micro-structured surfaces have a significant impact on flow patterns and
Sun Jia, Lin Yuhao, Li Wei
doaj  

CFD Investigations of Subcooled Flow Boiling in a Random Pebble Bed

Chemical Engineering Transactions, 2017
A new concept of nuclear reactors, Pebble Bed Water Reactor (PBWR), has attracted wide attention due to the advantages in the inherent safety performance, high conversion efficiency and low power density design.
S. Bu, J. Wu, J. Wang, W. Sun, Z. Ma, L. Pan   +5 more
doaj   +1 more source