冶金能源
冶金能源
야금능원
Energy for Metallurgical Industry
2015年
5期
19-21
,共3页
汽轮机叶片%运行效率%数值模拟
汽輪機葉片%運行效率%數值模擬
기륜궤협편%운행효솔%수치모의
turbine blade%operation efficiency%numerical simulation
通过数值模拟的研究方法，采用标准k－ε湍流双方程数学模型对不同的喷嘴与动叶之间的角度进行分析，模拟蒸汽在汽轮机动叶表面流过时的压力场。通过分析模拟结果，找到动叶表面压力差值最大时喷嘴与动叶之间的角度关系。
通過數值模擬的研究方法，採用標準k－ε湍流雙方程數學模型對不同的噴嘴與動葉之間的角度進行分析，模擬蒸汽在汽輪機動葉錶麵流過時的壓力場。通過分析模擬結果，找到動葉錶麵壓力差值最大時噴嘴與動葉之間的角度關繫。
통과수치모의적연구방법，채용표준k－ε단류쌍방정수학모형대불동적분취여동협지간적각도진행분석，모의증기재기륜궤동협표면류과시적압력장。통과분석모의결과，조도동협표면압력차치최대시분취여동협지간적각도관계。
Through numerical simulation methods , the standard k-εtwo-equation turbulence math-ematical model was used when analyzing the relationship between nozzle and the blade .The dynamic pressure field was simulated when the steam passing through the leaf surface .Based on the analysis of simulation results , the relationship between nozzle and the rotor blade was found .
