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Problem 3 Two cylindrical shaped vessels ( LD - 1 ) containing identical mass of water ( density 1 0 0 0 k g m

Problem 3 Two cylindrical shaped vessels (LD-1) containing identical mass of water (density 1000kgm3 and viscosity 0.001kgm.s and steel and ]=[1000kg are to be drained completely within the same duration of time.. If the nozzle dlameter in the vessel containing steel is 40mm, determine the corresponding nozzle diameter in the vessel containing water.
Problem 4: Consider flow of water ( density =1000kgm2) through a sudden expansion geometry as shown in the adjoining figure below. Given that mass flow rate is steady and equal to 1.2kgs and D1=4cm and D2=16cm, estimate the drop in pressure between section 1-1 and 2.2 on the basis of macroscopic momentum balance consideration.
Problem 5: (a) Through a 25mm diameter nozzle, an inert gas (argon: density 1.8gL) is blown into liquid steel (density 7200kgm3) contained in a cylindrical shaped vessel at a rate of 100NLmin. If the depth of liquid in the vessel is 2.75m and the aspect fatio (LD)=1.0. Estimate the ratlo of potential to kinetic energy input to the system. (b) The dimensionless mixing time correlation applicable to the above system is 22R2R-K(Q2gR5)a(LR)b. Given that mixL-1.0 and mixQ-0.33 and K=2980. determine the mixing time under the operating conditions mentioned in (a). consider operating temperature to be 1873K
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