汽轮机技术
汽輪機技術
기륜궤기술
TURBINE TECHNOLOGY
2015年
4期
277-280
,共4页
张艾萍%沈忠良%张帅%付从伟
張艾萍%瀋忠良%張帥%付從偉
장애평%침충량%장수%부종위
汽轮机转子%有限差分法%温度场%寿命监测%低周疲劳
汽輪機轉子%有限差分法%溫度場%壽命鑑測%低週疲勞
기륜궤전자%유한차분법%온도장%수명감측%저주피로
turbine rotor%finite difference method%temperature field%life monitoring%low cycle fatigue
基于有限差分法,采用MATLAB和组态软件开发了基于火电厂SIS数据平台的汽轮机组寿命在线监测系统,实时考虑放热系数变化,转子材料物性变化等因素。通过现场运行,结果表明该系统能很好的反映出转子温度场及应力场分布,可以为机组的安全、经济运行及寿命管理提供有效的技术手段,能够很好地满足工程实际需要。
基于有限差分法,採用MATLAB和組態軟件開髮瞭基于火電廠SIS數據平檯的汽輪機組壽命在線鑑測繫統,實時攷慮放熱繫數變化,轉子材料物性變化等因素。通過現場運行,結果錶明該繫統能很好的反映齣轉子溫度場及應力場分佈,可以為機組的安全、經濟運行及壽命管理提供有效的技術手段,能夠很好地滿足工程實際需要。
기우유한차분법,채용MATLAB화조태연건개발료기우화전엄SIS수거평태적기륜궤조수명재선감측계통,실시고필방열계수변화,전자재료물성변화등인소。통과현장운행,결과표명해계통능흔호적반영출전자온도장급응력장분포,가이위궤조적안전、경제운행급수명관리제공유효적기술수단,능구흔호지만족공정실제수요。
Based on the finite difference method,the online life loss monitoring system was developed by using Matlab and Configuration software tools, basing on data center platform of SIS, the real -time heat transfer coefficient and the rotor material properties changes and other factors have been considered.The actual field operations showed that the system can well reflect the distribution of temperature field and stress field.The system can provide effective technical means for the safe, economical operation and life management for the steam turbine,can effectively meet the needs of engineering practical.