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1. LES OF VERTICAL BUOYANT JETS IN JONSWAP WAVES | |||
Lu Jun,Wang Lingling,Zhu Hai | |||
Hydraulic Engineering 29 December 2010 | |||
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Abstract:A buoyant jet in irregular waves has been investigated by using large eddy simulation technique. The three dimensional filtered N-S and energy equation are numerically solved by fractional-step method in sigma-coordinate. The subgrid turbulent stress is modeled by a dynamic coherent eddy model proposed by the authors and the subgrid heat flux is also given by a dynamic eddy diffusivity model. The objective of this study is to investigate the characteristics of the buoyant jet with heat transfer in JONSWAP waves. The instantaneous process of diffusion of jet with heat transfer in random wave is given. The process of the jet-wave interaction is analyzed. The numerical result is of great theoretical importance for the understanding of jet behaviors in random waves. | |||
TO cite this article:Lu Jun,Wang Lingling,Zhu Hai. LES OF VERTICAL BUOYANT JETS IN JONSWAP WAVES[OL].[29 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4402348 |
2. Analysis on Factors Affecting Preferential Flow | |||
John Leju Celestino Ladu,Zhang Wenwen,Xia Lijun | |||
Hydraulic Engineering 08 February 2010 | |||
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Abstract:Preferential flow concept is important because it is related to a variety of subjects such as agricultural applications, urbanization, environmental pollution, and industrial production. Any kind of wastes left on the environment by means of any of these activities rapidly reaches groundwater by flowing through cracks, earthworm holes, plant root channels, openings developed due to the factors such as soil textures and structures. Soil factors such as soil texture and structure and rainfall factors such as amount and intensity of rainfall are important factors which affect the extent of preferential flow and transport. | |||
TO cite this article:John Leju Celestino Ladu,Zhang Wenwen,Xia Lijun. Analysis on Factors Affecting Preferential Flow[OL].[ 8 February 2010] http://en.paper.edu.cn/en_releasepaper/content/40059 |
3. THE COMPARISON BETWEEN WinBTOPMC AND XIN’ANJIANG MODEL | |||
Xin Penglei | |||
Hydraulic Engineering 10 January 2008 | |||
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Abstract:The Xin’anjiang model is used widely and perfected in China during the last thirty years, and WinBTOMC model is refers to the Blockwise application of TOPMODEL, which needs more high resolution hydrologic data and seems have a better performance. This study compared these two models on a same semi-arid basin, and the result is: the Xin’anjaing model performed much better than the WinBTOPMC model on yearly data while the WinBTOPMC model performs well on monthly metrological data. | |||
TO cite this article:Xin Penglei. THE COMPARISON BETWEEN WinBTOPMC AND XIN’ANJIANG MODEL [OL].[10 January 2008] http://en.paper.edu.cn/en_releasepaper/content/17954 |
4. Application of a distributed hydrologic model-BTOPMC in the Yellow River | |||
Li Qiaoling | |||
Hydraulic Engineering 16 May 2006 | |||
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Abstract:Nowadays, many researches focus on the distributed hydrologic process, for it is regarded as more physically and much closer to reality. Based on the digital elevation model, the flow direction and contributing area can be generated for the Lingkou Basin in the upper area of Luo River located in the Yellow River. The basin is divided into two blocks, BTOPMC Model has been performed on each block based on grids. The hydrometeorological data in special file format are taken as the input, the flow routing is done by Muskingham-Cunge method based on grids. The grid-by-grid spatial variability in soil and land cover properties is considered in calibrating parameters. The results show that the spatial properties can be described distinctly, which lays foundation for the further researches on distributed hydrologic process. | |||
TO cite this article:Li Qiaoling. Application of a distributed hydrologic model-BTOPMC in the Yellow River[OL].[16 May 2006] http://en.paper.edu.cn/en_releasepaper/content/6635 |
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