Page 221 - 《水资源与水工程学报》2023年第4期
P. 221
!34 " ! 4 # & ' ( ) & * + , - Vol.34No.4
2023 $ 8% JournalofWaterResources&WaterEngineering Aug.,2023
DOI:10.11705/j.issn.1672-643X.2023.04.26
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MNOPQ:S275.6 7RSTU:A 7VWQ:1672643X(2023)04021708
Effectoftheinteractionbetweenlayinglengthandinletpressureon
irrigationuniformityofthesmallflowdripirrigationbelt
1,2
1,2
1,2
1,2
Akenlibai·Musai ,LIFengxiu ,AIPengrui ,MAYingjie ,
1,2
1,2
3
FUQiuping ,TIANMin ,Abudukayimu·Abulimiti
(1.CollegeofHydraulicandCivilEngineering,XinjiangAgriculturalUniversity,Urumuqi830052,China;
2.XinjiangKeyLaboratoryofHydraulicEngineeringSafetyandWaterDisastersPrevention,Urumqi
830052,China;3.XinjiangSmartWaterforAgricultureCo.,Ltd.,Changji831100,China)
Abstract:Inordertoexploretheinfluenceoftheinteractionbetweenthelayinglengthofdripirrigation
beltandinletpressureontheirrigationuniformity,threeJtype(imported)dripirrigationbeltsandone
Gtype(madeinChina)dripirrigationbeltwerelaidforthestudyofdripflowunderdifferentlaying
lengthsandinletpressurecombinations.Then ,theindicesofChristiansenuniformitycoefficient(C),
u
variationcoefficient(C)andKelleruniformitycoefficient(E)wereusedtoevaluatethedripirrigation
v
u
belts.Experimentalresultsshowthat C,C andE allchangewiththeinletpressureandlayinglength,
v u u
C ispositivelycorrelatedwithE ,butnegativelycorrelatedwithC .WithC asthediscriminationin
u u v v
dex,whenthelayinglengthis200m,theinletpressureofJtyperangesfrom5to11m,andthatofJ
1
2
typerangesfrom3to11m,thequalityofthedripirrigationbeltcanreachA(excellent);thequalityof
!"#$:20221229; %$:20230331
'()*: !"&Ñ;'ÌÊ)*(2021YFD1900804-04); #áà&Ñ;'))*(202107331); ³g8o@qX.
JH«;<BÖ)*(20210101); #áà&I%H))*(2020A01002-2)
+,-.: åãO·ä¦(1994—), ., XÞ,Àº3, ß5;<8, @ÉE@´µH«;<。
¥¦+,: ²Ç*(1969—), ., EF=3, 67, 4589:, @ÉÏÐà´µá@UKH«;<。