Question

Deiermivc tie availalble NPSI for the system shown in Tiy a cioved tank with a pressure of-20 kPa abov water n rC. The aimospletc pressure u 100.5 kPa. The water level in tbhe tank is 2.5 m aove the pump inlet Schedule 40 steet pipe with a total length of 12.0 m The elbow is sondar a fully open globe valve. The flow rate is 95 1/mim. The Tige is a 1n Suction 0381 h due to ppe trcto wo elbowt, valve, cetrce Vapor pressure and vapor pressure herad of wae Vapor Specific 、apir Temperature Pressure WeightPresure 08722 98000ps L0 20 30 40 12239.30 53 2:338 9790.2388 4241 9765-04345 7.376 9T 070 12.33 9,690 1992 9642 Cǐy 9642 206 60 7031.16 4734 7U 10 9.580 9530 り,407 3.250 4967 0 39107 Pion K8o.SE3

Answer 1

lark Presune haadl Oisc ne- Sucion ün L to iw ress* - 20 The ota le 12m -20 ut e knou tha

the cvaion othe a,he have To find the faction less μ rust fnd the veleaty nolds numbek, and tmditon 5 min 90 0 0.0409m Thae om

The velothaadt 2(.ims) Thant ichsn loss is 6i- | (0,0225 lto ew' ) Lt。-ou r )(An)] 1 [e.eu)(m]メ 0.02) (340)+ Combiniqthose teims fnvei& SHA 6.4S

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