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高低含沙水流流速分布的统一规律
Alternative TitleUnified laws of velocity distribution for sediment laden flow with high and low concentration
舒安平; 刘青泉; 费祥俊
Source Publication水利学报
2006
Volume37Issue:10Pages:1175-1180
ISSN0559-9350
Abstract作为自然界中普遍存在的一种典型的固液两相流,挟沙水流流速分布具有与清水不同的变化规律.本文明确挟沙紊流(无流核)为研究对象,通过天然沙挟沙水流流速试验,首先分析紊动状态下高、低含沙水流流速分布特点;在此基础上,通过引入同时反映含沙量和颗粒级配影响的相对黏度指标,分析高、低含沙紊流的卡门常数κ统一规律及其表达式,由此将高、低含沙水流流速分布统一于卡尔曼-勃兰德尔对数流速分布公式上,并应用室内粉煤灰等试验资料分别验证了卡门常数κ及卡尔曼-勃兰德尔对数流速分布公式的合理性和可靠性;本项研究成果对进一步揭示高、低含沙水流的水流结构与输沙机理以及对河道整治规划设计具有重要的现实意义.
Keyword挟沙水流 高含沙水流 流速分布 卡门常数κ
Subject Area力学
Indexed ByEI ; CSCD
Language中文
CSCD IDCSCD:2537151
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/15820
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
舒安平,刘青泉,费祥俊. 高低含沙水流流速分布的统一规律[J]. 水利学报,2006,37,10,:1175-1180.
APA 舒安平,刘青泉,&费祥俊.(2006).高低含沙水流流速分布的统一规律.水利学报,37(10),1175-1180.
MLA 舒安平,et al."高低含沙水流流速分布的统一规律".水利学报 37.10(2006):1175-1180.
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