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《Turbine Technology》 2008-02
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Arithmetic Research of Local Quantitative Modificatory Model on Equivalent Enthalpy Drop

JIANG Feng,WANG Pei-hong(Department of Energy and Environment,Southeast University,Nanjing 210096,China)  
Basic parameters such as exhaust efficiency are needed in local quantitative analysis of equivalent enthalpy drop,which would be influenced by local change.With less consideration of this ruthless influence,traditional arithmetic model affected using effect of equivalent enthalpy drop method in different degree.In order to analyze influence on traditional local quantitative arithmetic by changes of steam extraction heat release quantity,drain water heat release quantity and feed water decalescence,this paper studied local quantitative model of extraction pressure change(two conditions),compared different influence on local quantitative model by enthalpy changes of extraction steam,out flowing feed,and drainage,and advanced amendatory arithmetic.Validated result of thermal balance method showed the correctness of amendatory model.
【Fund】: 国家自然科学基金项目(50376011);; 高等学校博士学科点专项科研基金(20060286033)
【CateGory Index】: TM621
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