中国水能及电气化
中國水能及電氣化
중국수능급전기화
CHINA HYDROPOWER & ELECTRIFICATION
2011年
9期
4-11,46
,共9页
丁浩铎%牛争鸣%杨健%鲍莉%陈军
丁浩鐸%牛爭鳴%楊健%鮑莉%陳軍
정호탁%우쟁명%양건%포리%진군
大坡降水平旋流洞%阻塞扩散段%阻塞突扩%阻塞渐扩%壁面压强%掺气浓度%扩散轨迹
大坡降水平鏇流洞%阻塞擴散段%阻塞突擴%阻塞漸擴%壁麵壓彊%摻氣濃度%擴散軌跡
대파강수평선류동%조새확산단%조새돌확%조새점확%벽면압강%참기농도%확산궤적
great slope gradient%clogging diffuser%gradually increased clogging%abruptly increased clogging%the pressure on wall surface%the section consistency of aerated flow%diffusion trace
以两河口水电站3#导流洞改建为复合式大坡降水平旋流内消能泄洪洞为例,对大坡降水平旋流洞末端和导流洞之间的衔接方式进行了试验研究。提出了阻塞渐扩和阻塞突扩两种不同的衔接方式,并对两种旋流扩散体型局部流态及壁面压强、断面掺气浓度、旋流扩散轨迹等水力特性进行了量测与分析,得到各体型旋流扩散段流态及各项水力特性随上游水位变化的基本规律。
以兩河口水電站3#導流洞改建為複閤式大坡降水平鏇流內消能洩洪洞為例,對大坡降水平鏇流洞末耑和導流洞之間的銜接方式進行瞭試驗研究。提齣瞭阻塞漸擴和阻塞突擴兩種不同的銜接方式,併對兩種鏇流擴散體型跼部流態及壁麵壓彊、斷麵摻氣濃度、鏇流擴散軌跡等水力特性進行瞭量測與分析,得到各體型鏇流擴散段流態及各項水力特性隨上遊水位變化的基本規律。
이량하구수전참3#도류동개건위복합식대파강수평선류내소능설홍동위례,대대파강수평선류동말단화도류동지간적함접방식진행료시험연구。제출료조새점확화조새돌확량충불동적함접방식,병대량충선류확산체형국부류태급벽면압강、단면참기농도、선류확산궤적등수력특성진행료량측여분석,득도각체형선류확산단류태급각항수력특성수상유수위변화적기본규률。
Taking the 3# diversion tunnel of Liang Kekou hydropower station reconstruction Compound Large gradient horizontal rotary flow in-energy dissipating spillway as an example,this paper studies the Large gradient horizontal rotary flow tunnel and diversion tunnel connection mode for hydraulic characteristics. Through measurement and analysis using gradually increased clogging and abruptly increased clogging two different connection modes to generate swirl diffuser local flow and the pressure on wall surface, the section consistency of aerated flow, swirling diffusion trace,etc. Finally we get the relationship between the different swirl diffuser hydraulic characteristics and the upstream water level.