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Zihua Liu,Di Wang,Ren Liang,Dechang Cai,Yong Ouyang,Zhikang Lin 대한기계학회 2023 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.37 No.9
In this paper, a single-equation drift-flux type model for gas-lead-bismuth eutectic (LBE) two-phase flow analysis in the LBE fast reactor steam generator tube rupture (SGTR) accident is established. As the area-averaged superficial gas velocity increases, the calculated exponent P in the Bankoff model increases, and the distribution parameter C 0 decreases. The reliability of the model is confirmed by comparing the predicted results with a total of 76 sets of open experimental data from a bubble-column case and a gas lift pump case. The relative deviation between the predicted and experimental values of the void fraction is within 20 %. The model proposed in this paper helps to realize the early warning and analysis of SGTR accidents in LBE fast reactors, and can provide theoretical and technical guidance for the safety design and evaluation of LBE fast reactors.
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Synthesis and Characterization of a Fluid-Like Novel Aniline Pentamer
Mengkui Wang,Jing Huang,Quanling Yang,Zhikang Liu,Lijie Dong,Shan Wang,Chuanxi Xiong 한국고분자학회 2018 Macromolecular Research Vol.26 No.3
A fluid-like novel aniline pentamer was synthesized by oxidative coupling and chemically doped with nonylphenol polyoxyethylene ether sulfate (NPES). The chemical structure, morphology, rheological behavior and conductivity of the assynthesized aniline pentamer were investigated. Unlike conventional aniline oligomers, this aniline pentamer exhibited a fluid-like behavior in the absence of any solvent at room temperature. Moreover, the aniline pentamer fluid showed liquid crystal characteristics. Combination of the fluid-like behavior, liquid crystal characteristics and good conductivity makes the aniline pentamer a promising environmentally friendly fluid for various applications such as field-effect transistors, liquid crystal devices, electrorheological materials, corrosion protection and other devices requiring electroactivity. This work provides a facile way to synthesizing flowable aniline oligomers with liquid crystal characteristics.
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