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| 1 | SEDIMENT CONTROL MEASURES IN SERIOUS SOIL EROSION REGION IN CHINA显示文摘China is one of the most serious soil erosion countries in the world, many harnessing measures have been developed. The sediment control measures include structural and biological engineering, such as check dam systems, level terraces, artificial grassland and forest etc.. Some pilot examples of the integrated measures and their benefits are introduced in this paper. Meanwhile, impacts on the soil erosion due to human activity are also discussed. Finally, some experiences and lessons are given. | CAO Wenhong, Senior Engineer, China Institute of Water Resources and Hydropower Research(IWHR) ZHANG Qishun Professor, China Institute of Water Resources and Hydropower Research(IWHR) PAN Dong Engineer, China International Water and Electric Corp. | 1997 | International Journal of Sediment Research1997，12，3： | 1 |
| 2 | ENVIRONMENTAL PROBLEMS ASSOCIATED WITH SEDIMENT DEPOSITION IN GUANTING RESERVOIR显示文摘 | Zhang Qishun Jiang Naisen and Lin Bingnan (P.N. Lin) Research Engineer Institute of Water Conservancy and Hydroelectric Power Research (IWH R) Beijing China. Adviser IWHR Chairman of Advisory Council International Research and Training Center on Er | 1986 | International Journal of Sediment Research1986，，00： | 1 |
| 3 | NUMERICAL SIMULATION OF INUNDATION IN SHENZHEN CITY BY FINTE DIFFERENCE MODEL MIXED WITH 1D AND 2D UNSTEADY FLOW显示文摘NUMERICALSIMULATIONOFINUNDATIONINSHENZHENCITYBYFINTEDIFFERENCEMODELMIXEDWITH1DAND2DUNSTEADYFLOW￥CHENGXiaotao;andQIUJinwei(Sen... | CHENG Xiaotao and QIU Jinwei(, Research Center on Disaster and Environment, China institute of Water Resources and Hydropower Research IWHR)(Research Center on Disaster and Environment, China Institute of Water Resources and Hydropower Research IWHR) | 1994 | International Journal of Sediment Research1994，9，3： | 1 |
| 4 | ENVIRONMENTAL PROBLEMS ASSOCIATED WITH SEDIMENT DEPOSITION IN GUANTING RESERVOIR显示文摘 | Zhang Qishun Jiang Naisen and Lin Bingnan (P.N. Lin) Research Engineer Institute of Water Conservancy and Hydroelectric Power Research (IWH R) Beijing China. Adviser IWHR Chairman of Advisory Council International Research and Training Center on Er | 1986 | International Journal of Sediment Research1986，，00： | 1 |
| 5 | Study of cooling wat er circulation A glimpse of thermo-hydraulic i nvestigation of cooling water problems in China显示文摘1.GeneralNotwithstanding that China possesses huge hydropower po-tential,thermal power has been playing a major role in China’s elec-tric power industry due to the fact that China is very rich in coalresources and that coal-fired power generation is significantlybenefitted by its lower capital cost,shorter construction period andquicker return.The share of thermal power generation in the pastdecade is about 3/4 in installed capacity (Fig.1) and nearly 80% ingeneration capacity.This trend is expected to be continued in thecoming decade. | Chen Huiquan Institute of Water Conservancy and Hydroelectnc Power Research (IWHR) | 1991 | Electricity1991，，2： | 0 |
| 6 | ANALYSIS ON MOUTH BAR EVOLUTION OF THE YELLOW RIVER ESTUARY显示文摘ANALYSISONMOUTHBAREVOLUTIONOFTHEYELLOWRIVERESTUARYJIZuwen;HUChunhong(Engineer,DepartmentofSedimentationEngineering,ChinaInsti... | JI Zuwen HU Chunhong(,Department of Sedimentation Engineering,China Institute of Water Resources and Hydropower Research(IWHR),Beijing 100044,P.R.China.)(,Department of Sedimentation Engineering, IWHR, Beliing 100044,P.R.China.) | 1996 | International Journal of Sediment Research1996，11，3： | 0 |
| 7 | STUDY ON SORPTION OF HEAVY METAL POLLUTANTS BY SEDIMENT PARTICLES显示文摘Sorption of heavy metal on sediment particles is studied theoretically am experimentally. Sorption processes of heavy metal pollutants on sediment particles can b well described by Langmuir model. Parameters in the model b,,k and k1 depend on proper ties of sediment and water, and have nothing to do with sediment concentration. By com bining the sorption dynamic equation and the mass conservation equation, the variation c N(sorption content of heavy metal pollutant by specific weight of sediment) and c (con centration of heavy metal pollutant in water phase) with time can be deduced. Further more, formulas for calculating the equilibrium sorption content N and the equilibriur concentration of heavy metal pollutant in water phase c are established too. Experimenta data well coincide with theoretical formulas. These can be treated as the basis for furthe quantitative study of sediment sorption-desorption characteristics. | Huang Sui-liangState Key Joint Laboratory of Environmental Simulation and Pollution Control (Institute ofEnvironmental Sciences), Beijing Normal University, Beijing 100875 , P. R.ChinaWan Zhao-huiChinese Institute of Water Conservancy and Hydroelectric Power Research (IWHR) , P. O.Box 366, Beijing, 100044 P.R.China | 1997 | Journal of Hydrodynamics1997，9，3： | 0 |
| 8 | FORECASTING IMPACTS OF HYDRAULIC STRUCTURESON AN ALLUVIAL RIVER显示文摘In the last decades the construction of large hydraulic projects on alluvial rivers in China has spurred the development of both physical and one-dimensional mathematical modeling to the point that deposition and erosion predicted by modeling in either way conform to prototype observations over periods of 3 to 19 years. The prototype data are those of Gezhouba on the Yangtze River and Danjiangkou on the Han River. The accuracy attained is in the neighborhood of 20% which is considered good enough in sedimentation engineering. Thus these techniques of modeling may be applied to forecast the impacts of hydraulic structures on an alluvial river. Mathematical modeling in 2 space variables has also been developed, but still awaits further verification. | LIN Bingnan ( Director Emeritus, IWHR Chairman of Advisory Council, IRTCES Professor of Tsinghua University, Beijing, China) | 1992 | International Journal of Sediment Research1992，7，1： | 0 |
| 9 | A NEW MATHEMATICAL MODEL FOR2-D FLOW显示文摘A new mathematical model for 2-D flow is formulated with accurate satisfac tion of boundary conditions in conjunction with square or any grids,so that it may also yield accurate results when the domain of computation is in the shape of a strip as occurring in rivers. The basic equations are split into three sets of compo- nent equations of which two sets may be transformed to the same form. This model is a part or a model devised for 2-D flows with sediment. | ZHOU Jianjun, LIN Binganand WANG Lianxiang Dr. of Eng., Research engineer, the Institute of Water Conservancy and Hydroelectric Power Research(IWHR). Senior engineer, IWHR, also professor of Hydraulics, Tsinghua University. Senior engineer, IWHR. | 1991 | International Journal of Sediment Research1991，6，1： | 0 |
| 10 | PRESSURE GRADIENT ALONG PIPELINE IN HYDROTRANSPORT显示文摘The head loss along pipeline in hydrotransport has been studied through a set of well arranged experiments. For pseudo one-phase now with fully mixed sediment particles, a modified Reynolds number Re1 consisting of yield stress τB and rigidity η of the Bingham fluid and other hydraulic parameters is adopted, the relationship between Re1 and friction factor λ is the same as that of clear water. For two-phase flow when all particles are fully suspended, the head loss is the same as that of pseudo one-phase flow. If coarse particles move as bed load, extra resistance will occur. The critical condition under which the extra flow resistance appears has been found. Two types of theoretically deduced resistance curves agree well with the experimental results. It can be deduced that the pressure gradient is proportional to D-1 to D-1.25, depending on the rheological properties of suspension and the flow velocity. Drag reduction may take place only in two-phase flow with bed load movement. Adding fine particles weakens bed load movement, consequently, head loss reduces. | SONG Tiancheng and WAN Zhaohui Research engineer. Institute of Water Conservancy and Hydroelectric Power Research (IWHR) Senior engineer (IWHR) | 1991 | International Journal of Sediment Research1991，6，1： | 0 |
| 11 | CALCULATION OF THE TRAJECTORIES AND THE IMPINGING ACTION OF SOLID PARTICLES IN FLOWS AROUND BODIES显示文摘Trajectories and impinging action of spherical sand particles moving in the flows around a cylinder and in a plane cascade are calculated. Equations of motion, including more factors pertinent to the motion of particles, are applicable to flows at high particle Reynolds number. Erosion areas predicted from calcula- tion agree well with those from field observation in bydromachines. The results can also be used to estimate the intensity of erosion. | SHAO Changcheng and XU Xieqing (Hsieh Ching HSU) ①Engineer, Institute of Water Conservancy and Hydrodectric Power Research ②Senior engineer, Institute of Water Conservancy and Hydroelectric Power Research (IWHR) and Prof. of Hydraulics, Tsinghua University. | 1991 | International Journal of Sediment Research1991，6，2： | 0 |
| 12 | SOME FACTS AND ISSUES ABOUT TGP显示文摘SOMEFACTSANDISSUESABOUTTGP￥LINBingnan(P.N.Lin)(PresidentEmeritusofIWHR,ChairmanofAdvisoryBoard,IRTCES.)Abstract:Thisarticlepo... | LIN Bingnan(P.N.Lin)( IWHR, Chairman of Advisory Board, IRTCES.) | 1994 | International Journal of Sediment Research1994，9，3： | 0 |
| 13 | EFFECT OF DIVERSION ON THE LOWER YELLOW RIVER显示文摘EFFECTOFDIVERSIONONTHELOWERYELLOWRIVER￥WangYan-guiandLiXi-xia(Engineer,SedimentDeptofInstituteofWaterConservancyandHydroelctr... | Wang Yan-gui and Li Xi-xia( Institute of Water Conservancy and Hydroelctric Power Research(IWHR), 100038, PRC.)( IWHR.) | 1994 | International Journal of Sediment Research1994，9，3： | 0 |
| 14 | STUDY ON THE AIRFLOW RESISTANCE IN NATURAL DRAFT COOLING TOWERS显示文摘A new approach for improving the calculation of the airflow resistance coefficient of natural draft cooling towers from the inlet to throat (4) has been presented in this paper. The suggested equations areWhere. ζ1 is the coefficient of the airflow resistance with no consideration of waterdrop in rain zone, ζ2 is the coefficient of the airflow resistance due to falling of waterdrop in rain zone, s is the rate of the inlet area to the area at elevation of the packing, q is the water loading, V0 air velocity at the packing section. | Zhao Zhen-guo, Shi Jin-ling, Chen Xian-songDepartment of Cooling Water, Institute of Water Conservancy and Hydroelectric Power Research (IWHR),Beijing 100044, P. R. China | 1994 | Journal of Hydrodynamics1994，6，3： | 0 |
| 15 | RECENT ADVANCEMENT OF CAVITATION RESEARCH IN IWHR, CHINA显示文摘This paper will stress on a critical review of the present status and recentadvancement of cavitation research in IWHR, China, Attention is focused on theresearch activities dealing with design criteria of cavitation-free structures aswell as measures to prevent or mitigate cavitation erosion in hydraulic engineering.Of particular interests are the comprehensive studies of aeration to prevent ormitigate cavitation erosion using physical modelling and prototype investigation,thus yielding encouraging findings on scale effects of cavitation modelling.Recently, new topics on cavitation behaviours in silt-laden flow or in liquidscontaining various kinds of particulates of different concentrations are beinginvestigated to interface with the new challenges of cavitation erosion problemsarising from the Yellow River and the Yangtze River in China. | Jin Tai-lai Pan Shui-bo, Institute of Water Conservancy and Hydroelectric Power Research (IWHR), Beijing, P.R. China | 1989 | Journal of Hydrodynamics1989，1，3： | 0 |
| 16 | DEVELOPMENT OF GREY SYSTEM SOFTWARE PACKAGEAND APPLICATIONS IN SEDIMENT YIELD显示文摘Sediment erosion and transportation is a complex, multi-factor affected process with sophisticatedmechanisms and uncertainties, therefore can be treated as a gray system. Based on the recent results ofgrey system theory and method, the paper establishes grey dynamic models of watershed sediment yield.Calculated results agree well with observed data. A grey system sotlware package is forther developed onWindows 98 of microcomputer by using Visual Basic 5.0 for the grey system very promising insedimentation research helds. The package provides friendly multiple-window interface and can rapidly extract the results of analysis, calculation and decision. Performance of the software is demonstrated. | WANG Xiuying1 CAO Wenhong2 CHEN Dong3 and QIN Li4(1.3 Engineer, China Institute of Water Research and Hydro-Power Research (IWHR), Beijing 100044, China.)(2 Senior Engineer. IWHR, Beijing 100044, China.)(4 Engineering, Soil and Water Conservation Monit | 1999 | International Journal of Sediment Research1999，14，4： | 0 |
| 17 | THE 1998 FLOOD OF THE YANGTZE RIVER显示文摘This paper analyses the characteristics of the flood of the Yangtze River in 1998. It is concluded thatsuccessive heavy rainfall in the whole basin, and reductions in storage capacity of lakes and flooddischarge capacity of river channel caused by sedimentation arc the main reasons of continued high floodstage along the river. | ZHOU Wenhao1 and CHEN Yuchong2(1 Senior Engineer, China Institute of Water Resources and Hydro-power Research (IWHR), Beijing 100044. China.)(2 Engineer, International Research and Training Center on Erosion and Scdimentation (IRTCES), Beijing 100044,Chi | 1999 | International Journal of Sediment Research1999，14，4： | 0 |
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