Waterjet Cutting Exercises

Pagina 1

aterjetcuttingexercises WaterjetCutting Primarynozzlediameternominal da mm Watermassflowrate in 7 Mw fDw Abrasiveflowrate Mabr 7 Crosssectionareaoftheinletoftheorifice So mm SoIo Crosssectionareaofthevenacontractasection Sy mm SjCorso Theoreticalvelocity fromBernoulliequation Un Un Theoreticalvelocity fromcompressibilityequation Unc Unc pfc P 1 CoefficientsforVthc CL C0,1368 2300MPa ctualwaterjetvelocity if I if av Compressibilitycoefficient U U Velocitycoefficient Ca CuIn Contractioncoefficient Cc Cc Dischargecoefficient Cd Cd cacao Theoreticalvolumetric flowrate Qin nein Qtnso.tn Actualvolumetric flowrate Qui fin Qui_sj.tt Abrasiveloadingratio ta ron Abrasivevelocity Vabr I VabrIra.tt Kineticpower Prin WP.intmwvfIg.cicvdi7 Abrasivepower Pa W PabrImasri MaterialRemovalRate MRR Hydraulicpumppower Phydppomp Phydripump c 12 Phydrpump aQw Electricalpoweratthepump Pee W Pee Phydripump Yee Momentumtransferefficiencyaccelerationefficiency 1 11ra Energytransferefficiency Ye YeFrin Ifil Jetimpactforce 1ˢᵗimpact Fz N FzmmHicosain iy.comdin Jetimpactforceafterthe1ˢᵗimpact Fz µ FzMwVinVout Fa2mw.ge Vin UnUpcon0ºUp tout vout 7botufcor outlEnergylossesattheinteractionyv.it Jettrailback te tb f.lusechi4 Compensationangle 0 rad 0arctar thickness Variation ofTe m p e r a t u re T IT At VolumetricconcentrationinthetankAST t It Gtt Variation oftime L 1anlnIII tramoggia AWJWJ ASJ JUL Y2023 Request calculatethekineticpressureandthethrustforce Data Kineticpower Prin12,3kW oreficenominaldiameterda0,3mm dischargecoefficient Cd0,65 velocitycoefficient Cr0,98 watercompressibility 0,96 waterdensity Paio100073