30382.物理覆蓋對抑制干旱地區(qū)水面蒸發(fā)的影響試驗(yàn)研究

1、寧夏大學(xué)碩士學(xué)位論文物理覆蓋對抑制干旱地區(qū)水面蒸發(fā)的影響試驗(yàn)研究姓名：趙相會申請學(xué)位級別：碩士專業(yè)：水利水電工程指導(dǎo)教師：田軍倉201103IIAbstractThispaperaimingatnthwestaridareaofwaterinvalidevapationbigbareactualprobleminthispaperthewaterevapationtechnologyinhibitionbasedonthecontras

2、texperimentmethodusinglargeconcreteevapationpondsZhengFaMin80cmZhengFaMin20cmresearchmethodstopoolfreesurfaceevapationcalculationdifferentmantlematerialproptionofwaterevapationtorestraininginfluencenotcompletelycoveredth

3、einfluenceofwaterevapationtoinhibitinhibitioneconomicbenefitofwaterevapationmeasuresmakesasystematicevaluationtestresearchmainlyobtainthefollowingresults:(1)ThispaperadoptslinearconversioncoefficientmethodDaltonfmulathep

4、owerfunctionmodeloffmulaPengManfmulaDaltonofprovinggroundinMay~Octoberof2010poolonfreesurfaceevapationarecalculatedthecalculationprecisionoftheinspection.Resultsshowthat:fourmethodsrespectivelytheaveragerelativeerr21.70%

5、14.93%16.24%18.67%therelativeerrintherateof20%respectivelyis59.6%65.83%63.12%61.34%.Ftestareacomparedanalysisusingcalculationfmulaffreesurfaceevapationlineardaltonsfmula.(2)Throughdifferentmantlematerialproptionofwaterev

6、apationeffectoncontrollingthecontrastexperimentdrawtwomaterialsthreelevelisasfollows:theaverageinhibitingrate100%benzeneboard100%lightweightconcrete70%benzeneboard70%lightweightconcreteboard30%benzeneboardboard30%lightwe

7、ightconcreteboard.(3)Toacompletelycoveredbyfourmaterialsundertheconditionofwaterevapationeffectsuppressionthatcontrasttestof4kindsofmaterials:duetothedifferentphysicalchemicalpropertiesinhibitthewaterevapationeffectdiffe

8、renceisbigger.Thewaterinthepoolundertheconditionofcovering70%ofpolyurethanefoamplasticrubberinsulationboardbenzeneboardlightweightconcreteboardaverageinhibitingrateofevapation61.29%56.78%40.62%38.02%.Restraintheefficienc

9、yofwaterevapationisasfollows:thepolyurethanefoamplasticboardrubberinsulationboardbenzeneboardlightweightconcreteboard.（4）Basedonthewaterqualitymonitingcoveringmaterialspoolitisconcludedthattheedmantlematerialduringthetri

10、als(1year)haslittleeffectonwaterqualitynotpollutionwaterquality.（5）Onthecomparisonanalysisofthefourkindsofmaterialstheeconomicbenefitsofwaterevapationsuppression.Startingfromthewatersavingoutputefficiencybenzeneboardcost

11、ratioR＜1explainsthethreemethodscostratioR≥1，arereasonableineconomyincalculatingthecostcanberecoveredduringmeasureswkable.Fromtheviewofeconomicadviceinactualapplicationofcoveredbyrubberinsulationboardsurfaceevapationmeasu