不同种类冰的厚度计算原理和修正

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1、大连理工大学硕士学位论文不同种类冰的厚度计算原理和修正姓名：王昕申请学位级别：硕士专业：港口、海岸及近海工程指导教师：李志军20070615不劂种类冰的厚度计算原理和修jEIceThicknessCalculatingPrincipleandModifiedofDifferentIceTypeAbstractIcejamcausedbyfrostnotonlyaffectsnormaloperationofwaterconservancybuildingsandwatertransportation,butseriousbankbreachalsothr

2、eatslifeandpropertysafetyofpeoplewholivingalongtherivers。InaddRion,globewarmingcausedbygreenhouseeffectsrecentyearsmayca艟sciceandSnOWinpolafre瘿onthawing,whichwillinfectglobemarinedisasters．Soicestudyingispaidmoleattention,icestudyingincl砸iIlgengineeringscience，naturalsciencelikeh

3、ydrographicwaterresourcesandhydrologic,inthesestudiesicethicknessisabasicparameter。Sothemajorworkofthispaperisstudyingicethicknessmeasuringandicethicknesscalculating．Atthebeginning，principleofDegree-Daymethodisintroduces，oilwhichtheapplicationsarebased．Andthenanewicethicknessmeas

4、uringapparatus·contactingn谢gnetostrictivedisplacementicethicknessmeasuringapparatusisintroduced,accordingexperimentscarriedoutinlaboratoryandwild番eld．precisionofapparatuscansatisfiednoedsdemandofhi。ghprecisioncalculating．Aftertheoryandapparatuspreparations，Degree—Daymethodcallbea

5、ppliedinactualconditions．Firstly,themethodisappliedinicegrowoflaboratoryconditionandAntarcticwhereconditionsaresimilarwiththeoryconditionandicethicknesscalculatingequationsintheseconditionsCallbegot；Secondly，themethodisappliedin∞aicegrowing，bringintheinfluenceparametersofseaicesa

6、linitychart#rigcalculatingequationsintheseconditioncanbegot；andthenappliedthemethodinicegrowinginwaterwithnitrobenzene,bringinnitrobenzcncconcentrationtheicethicknesscalculatingequationint醅conditioncanbegot；Atlast,themethodisappliedin鑫讲城琏鬈、)lmtercondition,whichtakeSonghuajiangriv

7、erasallexample．influencevelocityofflowtoicegrowingispaidattention,thenicethicknesscalculatingequationsinthisconditioncanbegot．After。analyzingDegree-Daymethodequationsindifferenticetyp巴)thegeneralformofDegree-Daymethodequationcanbeobtained。KeyWords：leeThickness；DegreeDay：Applieafi

8、on；DifferentIceType独创性说明作者箨重声甓：本硕士学位论文楚我