基于非接触高精度实验的明渠非恒定流特性研究
|
摘要
水流的特性是研究水流运动的基础,天然河道中水流一般呈现非恒定性,由于非恒定流自身较为复杂,其拖拽系数、粗糙长度和摩阻流速方面的研究一直未能有较大的突破。基于非接触高精度PIV水槽造流实验,通过采集涨落水时的实测数据,得到了明渠非恒定流摩阻流速、粗糙长度和拖拽系数的变化规律。
引文
[1]乔红杰,张静怡,徐小明.长江口潮流摩阻流速和粗糙长度计算方法探讨[J].水文学报,2010,30(4):20-27.
[2]倪志辉,宋志尧.江苏西洋海域潮流流速剖面参数的相位分析[J].海洋通报,2009,28(3):1-9.
[3]曾玉红,槐文信,张健等.非淹没刚性植被流动阻力研究[J].水利学报,2011,7(42):834-847.
[4]余江,杨奉广,毋敏等.含沙波明渠水流摩阻流速模型研究[J].泥沙研究,2014,(04):18-25.
[5]张小峰,金栋,卢新华等.明渠减速流下床面摩阻流速研究[J].华中科技大学学报(自然科学版),2014,42(10):113-118.
[6]闫龙.河道刚性淹没模拟植被的流场分布与紊流特性研究[D].北京:华北电力大学,2015.
[7]包为民,周俊伟,江鹏等.水位流速耦合演算模型研究[J].水科学进展,2015,26(06):795-800.
[8]陈橙,王义刚,黄惠明等.辐射沙脊群海域深槽摩阻流速特性研究[J].水力发电学报,2015,34(03):55-60.
[9]周俊伟,包为民,孙逸群等.河道一维非恒定流微分结构摩阻公式及其试验论证[J].水科学进展,2017,28(04):571-578.
[10]Mao Z X,Hanratty T J.Studies of the wall shear stress in a turbulent pulsating pipe flow[J].J.of Fluid Mechanics,1986,170,545-564.
[11]Jensen B L,Sumer B M,Fredsoe J.Turbulent oscillatory boundary layers at high Reynolds numbers[J].J.of Fluids Mechanics,1989,206:265-297.
[12]Tardu F S,Binder G.Wall shear stress modulation in unsteady turbulent channel flow with high imposed frequence[J].Physics of Fluids A,1993,5(8):2028-2037.
[13]Admiraal D M,Garcia M H,Rodriguez J F.Entrainment response of bed sediment to time-varying flows[J].Water Resources Research,2000,36(1):335-348.
[14]Poggi D,Porporato A,Ridolfi L,An experimental contribution to near-wall measurements by means of a special laser Doppler anemometry technique s[J].Experim ents in Fluids,2002,32(3):366-375.
[15]Nezu I,Kadota A,Nakagawa H.Turbulent structure in unsteady depth-varying open-channel flows s[J].J.of Hydr.Engin.1997,123(9):752-763.
[16]Bergeron,N.E.and Abrahams,A.D.Estimating shear velocity and rough ness length from veloc-ity profiles[J].Water Resources Research,1992,28(8):2155-2158.
[17]Nezu I,Rodi W.Open channel flow measurements with a Laser Doppler Anemometer[J].Hydraulic Engineering,ASCE,1986,112(5):335-355.
[18]Raupach M R,Antonia R A,Rajagopalan S.Rough-wall turbulent boundary layers[J].Appl.Mech.Rev.1991,44(1):1-25.
[19]Osterlund J M,Johansson A V,Nagib H M,et al.Anote on the oveBap I’egion in turbulent boundary layers[J].Phys.Fluids,2000,12(1):1-4.
[20]刘春晶,李丹勋等.明渠均匀流的摩阻流速及流速分布[J].水利学报,2005,36(8):950-955.
[21]胡江,杨胜发,付旭辉.光滑明渠内正弦型非恒定流传播特性试验研究[J].中国科学,2012,42(7):188-797.
[22]马爱兴,陆彦,陆永军等.明渠非恒定流流速分布及推移质运动研究进展[J].水科学进展,2012,23(1):134-141.
[2]倪志辉,宋志尧.江苏西洋海域潮流流速剖面参数的相位分析[J].海洋通报,2009,28(3):1-9.
[3]曾玉红,槐文信,张健等.非淹没刚性植被流动阻力研究[J].水利学报,2011,7(42):834-847.
[4]余江,杨奉广,毋敏等.含沙波明渠水流摩阻流速模型研究[J].泥沙研究,2014,(04):18-25.
[5]张小峰,金栋,卢新华等.明渠减速流下床面摩阻流速研究[J].华中科技大学学报(自然科学版),2014,42(10):113-118.
[6]闫龙.河道刚性淹没模拟植被的流场分布与紊流特性研究[D].北京:华北电力大学,2015.
[7]包为民,周俊伟,江鹏等.水位流速耦合演算模型研究[J].水科学进展,2015,26(06):795-800.
[8]陈橙,王义刚,黄惠明等.辐射沙脊群海域深槽摩阻流速特性研究[J].水力发电学报,2015,34(03):55-60.
[9]周俊伟,包为民,孙逸群等.河道一维非恒定流微分结构摩阻公式及其试验论证[J].水科学进展,2017,28(04):571-578.
[10]Mao Z X,Hanratty T J.Studies of the wall shear stress in a turbulent pulsating pipe flow[J].J.of Fluid Mechanics,1986,170,545-564.
[11]Jensen B L,Sumer B M,Fredsoe J.Turbulent oscillatory boundary layers at high Reynolds numbers[J].J.of Fluids Mechanics,1989,206:265-297.
[12]Tardu F S,Binder G.Wall shear stress modulation in unsteady turbulent channel flow with high imposed frequence[J].Physics of Fluids A,1993,5(8):2028-2037.
[13]Admiraal D M,Garcia M H,Rodriguez J F.Entrainment response of bed sediment to time-varying flows[J].Water Resources Research,2000,36(1):335-348.
[14]Poggi D,Porporato A,Ridolfi L,An experimental contribution to near-wall measurements by means of a special laser Doppler anemometry technique s[J].Experim ents in Fluids,2002,32(3):366-375.
[15]Nezu I,Kadota A,Nakagawa H.Turbulent structure in unsteady depth-varying open-channel flows s[J].J.of Hydr.Engin.1997,123(9):752-763.
[16]Bergeron,N.E.and Abrahams,A.D.Estimating shear velocity and rough ness length from veloc-ity profiles[J].Water Resources Research,1992,28(8):2155-2158.
[17]Nezu I,Rodi W.Open channel flow measurements with a Laser Doppler Anemometer[J].Hydraulic Engineering,ASCE,1986,112(5):335-355.
[18]Raupach M R,Antonia R A,Rajagopalan S.Rough-wall turbulent boundary layers[J].Appl.Mech.Rev.1991,44(1):1-25.
[19]Osterlund J M,Johansson A V,Nagib H M,et al.Anote on the oveBap I’egion in turbulent boundary layers[J].Phys.Fluids,2000,12(1):1-4.
[20]刘春晶,李丹勋等.明渠均匀流的摩阻流速及流速分布[J].水利学报,2005,36(8):950-955.
[21]胡江,杨胜发,付旭辉.光滑明渠内正弦型非恒定流传播特性试验研究[J].中国科学,2012,42(7):188-797.
[22]马爱兴,陆彦,陆永军等.明渠非恒定流流速分布及推移质运动研究进展[J].水科学进展,2012,23(1):134-141.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |