water resources planning and utilization （水资源规划及利用）

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1、Waterresourcesplanningandutilization(6)（水资源规划及利用(6)）1/23ShenyangAgriculturalUinversityStatisticsofwaterresourcesplanningand2/23regulationofyearsHennessyadjustmentcalculationreservoirbygroupIntegratedplanningsixthwaterresources8themaincontentsofthesecondchapterinthereservoirregulationandcalculation3

2、/23I.IntroductionintheyearsofadjustmentratebecausethenumberofadjustmentcycleforseveralyearstotenyearsevenlongerrateofhydrologicaldatarateformanyyearsisnotmuchregulationofcirculationratesowhenusedaccordingtothecalendarNottoolongseriesofmeasuredresultsrateoftenwithacertainchancerateisnotReflectallthe

3、possiblefutureworkofthereservoir.Especiallywhenthewaterguaranteerateandahigherlevelofadjustmentwiththecalendartoconsidertherateofrunoffchangeindiluteandcombinationismoredifficult.4/23AsummarybecauseofinterannualvariationofrunoffexergystatisticalrandomeventpackagecanbeusedThefrequencycurvewithsevera

4、lstatisticalparametersofQ0,CVandCStodescribethecharacteristicsoftheexergystatisticalrulecanbeusedinthefuture.Accordingtotheprincipleofwaterbalanceandexergyfrequencycombinationoftheworkingconditionofreservoirformanyyears.5/23First,anoverviewofthecurrentcommonlyusedathomeandabroadforadjustingstatisti

5、calcalculationmethodofexergycanbedividedintotwocategoriesOneisthetotalstoragecapacityisdividedintostoragecapacityoftwoyearsandyearswerepartofratemeterThetwopartisthesumratecapacityafterthetotalcapacityofthiskindofmethodiscalledasyntheticdatabaseVolumeintheotherisalsoconsideringthechangerateofrunoff

6、interannualandyearsacalculatedHennessytotalcapacityrateiscalleddirecttotalcapacitymethod.Therelativecoefficientof6/23toW0rateofannualaveragerunoffforthewaterusingunitexergycoefficientoftheK,WiforthefirstIyearsoftheannualrunoff.ZeroIIWKW=waterbyadjustingthecoefficientoftheMi,fortheIannualwaterconsum

7、ption.ifForafixedwaterinwaterthatis0yearsintheIIMAlphaW=0MAlphaWInthecapacityofusingtheVinstoragecoefficientintotalsynthesisinstorageInthecapacityof0VBetaW=0VBetaW=ManyyearsManyyears0VBetaW=year7/23yearswhe