汽轮机转子的传热分析和热应力计算_唐军.pdf

第39 卷 第3 期 热 力 透 平 Vol. 39 No. 3 2010 年9 月 THERMAL TURBINE Sept. 2010 汽轮机转子的传热分析和热应力计算 1, 2 2 2 唐 军 , 季 佳, 刘 慧 ( 1. 上海交通大学电子信息与电气学院自动化系, 上海 200030; 2. 上海电气电站设备有限公司上海汽轮机厂, 上海 200240) : 详细给 了某300MW 机型的汽轮机转子温度分布计算方法, 推导了应力计算模型并定义了有效温 差的概念, 由此可将汽轮机应力控制问题转化成有效温差的控制问题, 对实际应用具有重要意义 : 转子温度; 应力控制; 汽轮机自动控制 : T K262 : A : 1672- 5549( 20 10) 03- 0184- 03 Heat Transfer Analysis and Cal cul ation of Thermal Stress of Turbine Rotor 1, 2 2 2 TA N G J un , J I J ia , LI U H ui ( 1. Automation Department, School of Electronics, Information an Electrical Engineering, Shanghai Jiaotong University, Shanghai 200030 , China; 2 . Shanghai Electrical Power Generation Equipment Co., Lt . Shanghai Turbine Plant, Shanghai 200240, China) Abstract: In thi paper, the det ailed calculation of tur bine r otor temperatur e di tr ibution i g iv en, the model for ther mal tr e are der ived, and the concept of effect ive temper ature differ ence i defined. T hu , the pr oblem of controlling t he thermal tre of t ur bine r otor can be converted t o a problem of contr olling the effective temper ature difference, which i of gr eat ignificant for actual applicatio n. Key words: rotor temperatur e; tre control; auto matic turbine co nt rol , , 1 , , 1, n , , ( r ) , r S , [ 1] , rB , SS , T S , SB , , , , , , [ 2] , 300M W