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    题名 作者 年代 出处 被引量
1共格颗粒沉淀动力学研究进展显示文摘基于经典动力学和失稳分解转变理论,介绍了两个先进的共格颗粒沉淀动力学模型,以及利用计算机对合金共格沉淀过程组织演化模拟取得的进展。该模型可成功地描述共格沉淀相的形貌、反粗化现象、原子有序化、界面的演化等,并将形核、长大和粗化在同一理论框架內考虑。利用该模型已对许多新型具共格畸变合金的相变动力学进行了模拟研究。赵宇宏 陈铮 王永欣 2003材料导报2003,17,3:1
2A study on the characterization of smoke movement in shafts with different fire source positions显示文摘In this study,experimental and numerical simulation methods were combined to simulate the changing course of the temperature and velocity fields in nine different fire scenes. The characteristics of smoke movement in shafts with different fire source position factors(h/H) were quantitatively investigated,and the non-dimensional fitting function between the fire source position factors and the maximum temperature was deduced. The results showed that the location of the neutral plane moved upward as the fire source rose,and all the generated smoke spread to the upper areas;however,there was barely any smoke in the lower areas. The maximum temperature was inversely proportional to the fire source position factor;the higher the source position is,i.e. the higher the ratio factor is,the lower the maximum temperature is in the shaft. The experimental verification of the fire dynamics simulator(FDS) showed good results.Zhu Jie Yang Tianyou Wu Jianbo Du Lulu 2013Engineering Sciences2013,11,6:0
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