Results 21 to 30 of about 7,640 (226)

CFD investigation on heat transfer improvement of subcooled flow boiling in a vertical upflow minichannel with straight and enhanced geometrical structure

e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
This paper presents the effects of minichannel geometrical configuration on flow structures, hydrodynamics, and heat transfer behavior of the subcooled flow boiling process in a cooling system with high heat flux.
Amal Igaadi, Rachid El Amraoui, Hicham El Mghari   +2 more
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

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 on Local Subcooled Flow Boiling Heat Transfer in a Vertical Mini-Gap Channel [PDF]

, 2018
An experimental study of subcooled flow boiling in a high-aspect-ratio, one-sided heating rectangular mini-gap channel was conducted using deionized water.
Buongiorno, Jacopo, Coyle, Carolyn P., Feng, Zhao-zan, Li, Jun-ye, Li, Wei, McKrell, Thomas J, Zhou, Kan   +6 more
core   +1 more source

Flow Heat Transfer Characteristic in Rod Bundle Channel in Natural Circulation System for Rolling Condition

Yuanzineng kexue jishu, 2022
There is mixing and second flow in sub-channels of the rod bundle. The flow and heat transfer characteristics in rod bundle are more complex than those in rectangular channel and round pipes.
BI Jingliang;XIE Feng;HUANG Yanping;XU Jianjun;YUAN Dewen;ZAN Yuanfeng
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

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

Flow boiling heat transfer characteristics of two-phase flow in microchannels

AIP Advances, 2022
A set of experimental platforms with widths of 0.5, 1.0, 1.5, and 2.0 mm was established to explore the mechanism of flow boiling bubble dynamics in microchannels, focusing on heat transfer characteristics, pressure loss, and two-phase flow pattern ...
Lei Guo, Shusheng Zhang, Jing Hu
doaj   +1 more source

Numerical Simulation Research of Bubble Characteristics and Bubble Departure Diameter in Subcooled Flow Boiling

Mathematics, 2022
Three-dimensional subcooled flow boiling of R134a in a horizontal tube was simulated by a VOF (volume of fluid) model combined with the level set method.
Jinfeng Wang, Bingjun Wang, Jing Xie, Ke Lei, Bo Yu, Yuhang Sun   +5 more
doaj   +1 more source