Plump Three Engineering Power Diversion System Hydraulics To Optimize The Design And Research

In this thesis, the hydraulic design of conduit system is studied; in the third phase of Fengman hydropower project, in order to obtain the optimel type and structure properties of surge chamber and supply a reasonable and economic design proposal.The main work is done with the help of model experiment. In the flood-relief experiment, the flood carrying capacity of spillway tunnel is checked. In the hydraulic experiment of the diversion power conduit system, the followings are studied: the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. The test step, content and results of different proposals are introduced in details.On the base of result processing and proposals evaluation, the throttled surge shaft is proved to be the relatively optimal one and has been used in the third phase of Fengman hydropower project successfully.