2004三层PE产生过程钢管传热理论建模方法研究_李炜.pdfVIP

16 1 Vol. 16 No. 1 2004 3 Jo rnal of Gans Sciences M ar. 2004 PE 1 1 1 2 李　炜, 王　君, 乔平原, 王仲林 ( 1. , 730050; 2. , 730000) : 在对三层 生产过程包覆段钢管中频加热、空气散热等过程传热方式分析的基础上, PE 据中频感应理论、传热理论及自动控制理论, 提出了一种三层PE 生产过程中钢管传热的理论建模 方法, 并与实验数据进行了比较, 证明了此方法的正确性与可行性. : 三层 ; 包覆段; 钢管传热; 数学模型 PE : T B13, TB112　　　: A　　　: 1004-0366( 2004) 01-0076-05 Study on Theory Modeling Method About Steel Tube Transfering Heat in 3-Layer Pecoated Pipe Process 1 1 1 2 , , - , - LI Wei WANG J n Qiao Ping y an WAN G Zhong lin ( 1. School of Ef ectric and Inf ormation Engineesing, Lanz hou University of Science and Technology, Lanzhou 730050, China; 2. , 730000, ) The Second Installation Engineering Comp any of Gansu Province Lanzhou China Abstract: By the analysis of heat transfer s ch as medi m freq ency heating the steel t be in the coating segment of 3-layer PE coated pipe process, w e bring forw ard a w ay of steel t be transfering heat theory based on the medi m freq ency inf ction theory , heat transfer theory and a tomatic control theory then, w e test it by experimental data, w hich show its correctness and feasibility . Key words: 3-layer PE; coating segment; steel t be transfering heat; mathematical model , . PE . PE , . , : 60100 m PE ( FBE) , 250 , 400 m, 1. 53. 0 mm