The major research scope is:

+ Research & Development of High Efficiency hydraulic machinery
Research & Development of Cavitation & Wearing Resistance hydraulic machinery
+ Field Test Technique Research and Field Test of hydraulic machinery
+ Hydraulic Design, Optimization Computation and Flow Field Display of hydraulic machinery
+ Strength Calculation of hydraulic machinery
+ Hydraulic machinery Model Test and Domestic & International Acceptance Test
+ Studies of Internal Flow Analysis of hydraulic machinery and the Application
+ Hydrodynamic Vibration & Stability of hydraulic machinery
+ Tendency and Strategy of New Energy resource and Water-Power Market Development


    The department has now 42 staff and workers: 23 senior engineers, among which 2 possess doctoral degree and 9 master degrees.

    The department is provided with well-equipped multifunctional laboratories, which are available for model acceptance tests and experimentalstudies of various types of hydro-turbines. The labs, total area of 1,080m2 , include 3 modern hydraulic machinery test stands:

    Test stand #1: High accuracy general test stand of hydro-turbine experiments. It can accommodate varied styles of turbines for high, medium, and low test heads performance tests, cavitation tests, and other special tests. The highest head is 60m, flow rate ranges from 0.2 to 1.2m3/s, runner diameter 250~500mm, combined test error ±0.25%.

    Test stand #2: applicable for tubular turbine, pump, and axial flow pump tests. The highest test head 20m, flow rate 1.0m3/s, combined test error ±0.3%, runner diameter 250~400mm.

  Test stand #3: silt laden water test stand of hydraulic machinery, applicable for performance studies and wearing resistance research of hydro-turbine and pump with silt laden water. The highest test head 80m, maximal flow rate 0.6m3/s, largest water silt content 200kg/m3, combined test error ±0.3% for clear water, ±0.5% for silt water.

    The labs are perfectly equipped with computer controlled data acquisition and processing system. Test results are recorded, printed, and plotted out by computer.

    A self developed 110 ton gravimetric flow calibration device is available for the labs, which accuracy reaches 0.03%, for routine check of the accuracy of flow measurement.

   The labs are also equipped with other facilities, such as water tunnel, rotating disk, rotating injector, and jetflow wearing devices, for studies of cavitation, erosion, abrasion and development of wearing resistance materials.

  The department has also promoted a subsidiary company, named “Beijing Zhongshuike Mechanical and Electrical Technique Development Company”.





    Main Scientific Research Achievements, Products and Key Engineering Projects:

   In last years, the department has engaged in a series of theoretical and practical research, focusing on the fundamental technological problems in water conservancy and water power engineering. It has successively undertaken and accomplished a lot of important projects entrusted by the government, the Water Conservancy ministry, and the Electrical ministry, including Turbine Units of GeZhouBa Power Station, Turbines of YuZiXi High Head Station, Units of XiaoLangDi Station on Yellow River, Pumps of Wan Jia Zhai station, Units of Three-Gorges Power Plant, optimization study of hydroelectric sets rated head of Three-Gorges right strand power plant, Performance prediction of silt wearing characteristics of Three-Gorges hydroturbines, Turbines of Er Tan Station, Stability study of Xiluodu power plant large capacity hydroturbine, Reversible Units of High Head Pumped-Storage Plant, and Pumps used in South to North Water Diversion Project, etc.

    It has also done successfully some engineering consultation business concerned with the mechanical and electrical equipment of some Hydraulic projects, such as Three-Gorges, Xi Luo Du, Bai Shan, Pu Shi He, etc.; taken charge of or taken part in the enactment of 13 state or ministry issued criteria. The recent years’ works has brought the department 20 prizes, including the state prize of science and technology advancement, and the honor prizes from the State Department, state project committee, the ministries of finance, Electrical ministry, and Water conservancy ministry.

    The department has also succeeded in technical uprating and refurbishment research of large capacity water power stations and pump stations, such as QingTong Xia, San Men Xia, Liu Jia Xia, Huai Ren, Bo’s-Teng Lake etc., and practically in technical uprating and refurbishment of over 100 water power stations and pump stations, and circulating pump uprating of fossil-fuel plants. The application of high and new-technologies has been helpful in the solution of cavitation erosion, wearing, and vibration problems, and economically benefited the power plants considerably. The recent years’ works has brought the department 20 prizes, including the state prize of science and technology advancement, and the honor prizes from the state department, state project committee, the ministry of finance, Electrical ministry, and Water conservancy ministry.



    
  INTERNATIONAL COOPERATION

    The department has cooperated with Canada General Electrical Corporation in developing Kaplan and Francis Turbines, with Sico in developing and experiment of uprating turbine runner of San Men Xi, Er-Tan, Lu Bu Ge, Da Chao Shan, Gui Gang, Da Yuan Du, Mianhuatan, Sha He, etc.




    TECHNOLOGY AMASSMENT

   In a certain fields, the hydraulic machinery department has developed domestic leading level hydraulic model technologies, and some of which has entered the international leading line, such as the wearing and cavitation resistance materials. These can be applied to type selection of new construction power and pump station as well as the uprating of old power and pump station.

   HYDRAULIC TURBINE

(1) TUBULAR TURBINE working head 3～20m, optimum model efficiency 90%～92.9%;
(2) FRANCIS TURBINE working head 20～340m, most of which, the optimum model efficiency exceed 93%, and at some head stage over 94%;
(3) KAPLAN TURBINE working head 3～50m, optimum model efficiency 90%～92.5%.

    PUMP

(1) VERTICAL AXIAL FLOW PUMP maximum working net lift 8.5m, highest model installation efficiency 77.7%;
(2) BULB PUMP maximum working net lift 12m, maximum model installation efficiency 83.2%;
(3) AXIAL FLOW PUMP maximum working net lift 10m, maximum model installation efficiency 81.6%; (4) CENTRIFUGAL PUMP horizontal single-stage & double-suction WYS series: working lift 10～150m, discharge 1000～26000m /h, possible efficiency up to 90%; vertical single-stage & single-suction LY series: working lift 10～200m, discharge 1000～20000m /h, possible efficiency up to 90%; vertical double-stage & single-suction DSB series: working lift 100～300m, discharge 3000～20000m /h, possible efficiency up to 90%;
(5) new type VERTICAL OPEN TUBULAR PUMP ZLK, has been listed in the national major generalization project;
(6) New SP mud pump, a new generation of high efficiency wearing resistance mud pump products, which lifetime 3 or more times longer than common types, hydraulic and wearing resistance performance reaches international leading level, passed the scientific and technical achievement examination and pioneer product customization examination by the Water Conservancy Ministry; SK high efficiency inland waters and lakes dredger pump, high hydraulic performance in model test, optimum model efficiency exceeding 88%, good cavitation characteristic, representing leading level of world;
(7) relevant technology of pumped-storage station with head lower than 100m or between 200～500m.

    WEARING & CAVITATION

     RESISTANCE MATERIAL The wearing & cavitation resistance material SPH and the super high-molecular material, developed by the department, have been proved excellent performance of resisting wearing & cavitation and guaranteed technique, and long lifetime by the service in many power plants and pump stations.