计算机工程与应用
計算機工程與應用
계산궤공정여응용
COMPUTER ENGINEERING AND APPLICATIONS
2010年
10期
232-234
,共3页
蒸汽管网%水力计算%热力计算%仿真系统
蒸汽管網%水力計算%熱力計算%倣真繫統
증기관망%수력계산%열력계산%방진계통
steam pipe networks%hydraulic calculation%heating calculation%simulating system
建立了蒸汽管网水力热力计算模型,通过迭代校正管段流量、管段平均密度和定压比热的方式,采用管网水力计算模型与热力计算模型相关联的节点方程法求解节点温度与节点压力.基于该计算模型,以数据库技术、仿真技术和可视化技术为支撑,成功开发出蒸汽管网水力热力计算仿真系统,实现了管网动态仿真数字化与模块化.以济南市典型蒸汽供热管网为例,对管网的水力和热力的工况进行了模拟计算,其计算结果与实际运行结果比较表明:该系统可用于蒸汽管网的设计计算、运行调节及其数值模拟.
建立瞭蒸汽管網水力熱力計算模型,通過迭代校正管段流量、管段平均密度和定壓比熱的方式,採用管網水力計算模型與熱力計算模型相關聯的節點方程法求解節點溫度與節點壓力.基于該計算模型,以數據庫技術、倣真技術和可視化技術為支撐,成功開髮齣蒸汽管網水力熱力計算倣真繫統,實現瞭管網動態倣真數字化與模塊化.以濟南市典型蒸汽供熱管網為例,對管網的水力和熱力的工況進行瞭模擬計算,其計算結果與實際運行結果比較錶明:該繫統可用于蒸汽管網的設計計算、運行調節及其數值模擬.
건립료증기관망수력열력계산모형,통과질대교정관단류량、관단평균밀도화정압비열적방식,채용관망수력계산모형여열력계산모형상관련적절점방정법구해절점온도여절점압력.기우해계산모형,이수거고기술、방진기술화가시화기술위지탱,성공개발출증기관망수력열력계산방진계통,실현료관망동태방진수자화여모괴화.이제남시전형증기공열관망위례,대관망적수력화열력적공황진행료모의계산,기계산결과여실제운행결과비교표명:해계통가용우증기관망적설계계산、운행조절급기수치모의.
The model of steam pipe networks' hydraulic and heating calculation is built.The hydraulic and heating calculation is combined together by the way of iterating pipe flow pipe average density & constant-pressure specific isobaric heat capacity repeatedly .The node pressure& temperature is solved by the method of solving nodal equation, which is the method of combining networks' hydraulic model and networks' heating model/The computation precision is increased by the method in combination with hydraulic and heating calculation.The system of steam pipe networks' hydraulic and heating simulation & calculation realizes to operate by windows, which is programmed by VC++6.0. It is proved that the system can apply in design of project and analysis of operation through comparing calculation result and the actual example.
