BYLAEANNEXUREVerandering van sommige Eienskappe van Water met Temp.Varistion of Some Properties of Water with TempViscosityVapour pressure Bulk Modulusof elasticity, KTemperature Density.pKinematicSurfaceViscosity,Tension,ohead.Ikgim'[kg/m-s][N/m(m|ĮMPa]999,91,792 (x10) 1,792 (x10) 7,62 (x10)0,062040510001,5191,5197,540,09206010999,71,3081,3087,480,1221101,1401,1417,410,17214015999,120998,21,0051,0077,360,25220025997.10,8940,8977,26033222030995,70,8010,8047,180,44223035994,10,7230,7277,100,58224040992.20,6560,6617,010,76227045990,20,5990,6056,920,98229050988,10,5490,5566,821,26230055985,70,5060,5136,741,61231060983,20,4690,4776,682,03228065980,60,4360,4446,582,56226070977,80,4060,4156,503,20225075974,90,3800,3906,403,96223080971,80,3570,3676,304,86221085968,60,3360,3476,205,93217090965,30,3170,3286,127,18216095961,90,2990,3116,028,622110100958,40,2840.2965,9410,332070 PUMP SYSTEM - SYSTEM CURVE AND NPSH SUBMIT BY 8 MAY 2022The pumping system shown below consists of a suction pipe of length 3m and diameter80mm; delivery pipe of length 6m and diameter 80mm; 4 elbows, each with a losscoefficient of k = 0.3; total static lift = 6m; tank entry and exit loss coefficients 0.5 and 1.0,respectively; suction and delivery pipe friction factor f = 0.007Daroy. A Robuschi 150-500pump rotates at 1470 rpm and the desired flow rate is a minimum of 200 m/h.Complete the following tasks:1. Draw the system curve as described above on the Roubuschi pump curve datasheet supplied. Work in increments of Q 50m³/h starting at 0 (7-point curve)2. Would you advise the client to select the 400 or 460 impeller?Give two reasons for your answer.If the 400 impeller is used:Assume:the gauge pressure in the suction tank at 115 kPa,• the vapour pressure of the water at its average operating temperature at 20C• suction height as 1.5 m.3. Is the pump likely to cavitate? Support answer with a NPSH calculation approach.4. Describe two steps that could be taken to reduce the likelihood of cavitation.

Lsuction=3md=80mmLDelivery=6m4 elbowsk=0.3Exit loss coefficients=0.5&1.0f=0.007Rotates at…

Answered: he kg/m-s] |mis] [Nim 792 (x10) 1,792…

Engineering

Mechanical Engineering

he kg/m-s] |mis] [Nim 792 (x10) 1,792 (x10) 7,62 (x10) 754

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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PUMP SYSTEM – SYSTEM CURVE AND NPSH The pumping system shown below consists of a suction pipe of length 3m and diameter 80mm; delivery pipe of length 6m and diameter 80mm; 4 elbows, each with a loss coefficient of k = 0.3; total static lift = 6m; tank entry and exit loss coefficients 0.5 and 1.0, respectively; suction and delivery pipe friction factor f = 0.007Darcy. A Robuschi 150-500 pump rotates at 1470 rpm and the desired flow rate is a minimum of 200 m3/h. SUCTION PIPE Complete the following tasks: 1. Draw the system curve as described above on the Roubuschi pump curve data sheet supplied. Work in increments of Q 50m3/h starting at 0 (7-point curve) 2. Would you advise the client to select the p400 or ¢460 impeller? Give two reasons for your answer. If the 400 impeller is used: Assume: the gauge pressure in the suction tank at 115 kPa, the vapour pressure of the water at its average operating temperature at 20C suction height as 1.5 m. 3. Is the pump likely to cavitate? Support…
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A tanker carrying tolueneis unloaded to an onshore storage tank using the ship’s pumps. The pipeline is 225-mm inside diameter and 900-m long (200-m long suction line, 700-m long discharged line). Miscellaneous losses due to fittings, valves, etc., amount to 100 equivalent pipe diameters at the suction side, and 500 equivalent pipe diameters at the discharged side. The maximum liquid level in the destination storage tank is 30 m above the lowest liquid level in the ship’s tanks. The ship’s tanks are nitrogen blanketed and maintained at an absolute pressure of 1.05 bar (1 bar = 105 Pa). The storage tank has a floating roof, which exerts an absolute pressure of 1.1 bar on the liquid. The ship must unload 1000 metric tons within 5 hours. Taking pump efficiency as 70%, (ρ = 874 kg/m3, μ = 0.62 cP, Pvapor = 0.037 atm absolute). Determine: A. Pump head (m) B. Pump differential pressure (Pa) C. Suction head (m) and pressure (Pa) D. Discharge head (m) and pressure (Pa) E. Actual pump power…
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