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用年费用最小法求压力钢管的经济直径张宝瑞(水利部天津水利水电勘测设计研究院天津300222)关键词压力钢管水头损失年费用经济分析水电站压力引水钢管是引水系统中重要的组成部分,通过它不仅将电站发电需要的流量安全输送给水轮机,而且必须做到技术上可行,经济...
The annual cost of the minimum method to find the economic diameter of the pressure pipe Zhang Baorui (Tianjin Water Resources and Hydropower Survey and Design Institute of Water Resources, Tianjin 300222) Key words pressure pipe head loss annual cost economic analysis Hydropower station pressure diversion pipe is an important part of water diversion system through which It not only safeguards the flow of the power needed by the power station to the turbine, but also must be technically feasible and economical.