简介：Inordertostudytheeffectsofwetcompressiononatransoniccompressor,afull3-Dsteadynumericalsimulationwascarriedoutundervaryingconditions.Differentinjectedwaterflowratesanddropletdiameterswereconsidered.Theeffectofwetcompressionontheshock,separatedflow,pressureratio,andefficiencywasinvestigated.Additionally,theeffectofwetcompressiononthetipclearancewhenthecompressorrunsinthenear-stallandstallsituationswasemphasized.Analysisoftheresultsshowsthattherangeofstableoperationisextended,andthatthepressureratioandinletairflowratearealsoincreasedatthenear-stallpoint.Inaddition,itseemsthatthereisanoptimumsizeofthedropletdiameter.

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简介：CorrosionbehaviourandbiofoulingcharacteristicsofmildsteelinthreedifferentcoastallocationsintheGulfofMannar,Indiahavebeenstudiedoveraperiodof24months.OysterfoulingwaspredominantatOpensea-Tuticorin,whilebarnaclefoulingwasdominantatbothMandapamandHarbour-Tuticorin.Therateofcorrosionfor24monthsexposureperiodwashighestatMandapam,wherefoulingwasminimal.Thesurfaceofthemildsteelwascharacterizedbyetchings&crevicesbeneaththehardfoulersattachedonit,atallthetestlocations.ThedepthofcrevicecausedbyhardfoulerswashigheratOpensea-TuticorinfollowedbyHarbour-TuticorinandMandapam.ThelossinultimatetensilestrengthwasmoreinOpensea-Tuticorinthantheothertwolocations.Corrosionbehaviourofmildsteelisdiscussedbasedonthevariationinthebiofoulingassemblageatthethreetestlocations.