为了提高超大型石油储罐的安全性能,开展了15×104m3油罐的结构优化分析。比较了罐体壁板和底板应力的几种计算方法,提出采用“组合圆柱壳法”计算壁板应力以及采用基于沉降量的有限元法计算底板应力;参照美国API 650和日本JIS B 8...为了提高超大型石油储罐的安全性能,开展了15×104m3油罐的结构优化分析。比较了罐体壁板和底板应力的几种计算方法,提出采用“组合圆柱壳法”计算壁板应力以及采用基于沉降量的有限元法计算底板应力;参照美国API 650和日本JIS B 8501设计规范制订了4种结构设计方案,计算得到各方案中壁板应力与底板应力大小,并进行相互比较。分析结果表明,参照美国API650标准设计并选用宽幅钢板的结构设计方案四理论计算应力最小,且应力评定合格。展开更多
LiCoO 2 powders were been synthesized by solid state coordination method and the process was discussed in detail by the thermal analysis.The structures were confirmed by XRD and SEM techniques.It proved that this meth...LiCoO 2 powders were been synthesized by solid state coordination method and the process was discussed in detail by the thermal analysis.The structures were confirmed by XRD and SEM techniques.It proved that this method had many advantages over the traditional high temperature solid state reaction.Electrochemical test proves the cathode material to have excellent electrochemical performance.展开更多
文摘为了提高超大型石油储罐的安全性能,开展了15×104m3油罐的结构优化分析。比较了罐体壁板和底板应力的几种计算方法,提出采用“组合圆柱壳法”计算壁板应力以及采用基于沉降量的有限元法计算底板应力;参照美国API 650和日本JIS B 8501设计规范制订了4种结构设计方案,计算得到各方案中壁板应力与底板应力大小,并进行相互比较。分析结果表明,参照美国API650标准设计并选用宽幅钢板的结构设计方案四理论计算应力最小,且应力评定合格。
文摘LiCoO 2 powders were been synthesized by solid state coordination method and the process was discussed in detail by the thermal analysis.The structures were confirmed by XRD and SEM techniques.It proved that this method had many advantages over the traditional high temperature solid state reaction.Electrochemical test proves the cathode material to have excellent electrochemical performance.
