7-40. SAE 30 oil at 68°F flows through the piping system shown in Figure 7.38. (a) If Q₂ = 20 gpm, what is the largest allowable value of Q, so that the flow in inlet pipe 1 is laminar? (b) For the calculated value of Q₁, determine whether the flow is laminar or turbulent in pipes 2 and 3. Globe valve 1 in. dia. 1.25 in. dia. 1.25 in. dia.. Pipe 4 21->>> Pipe 1 f Pipe 2 Pipe 3 Globe valve 3/4 in. dia.. Figure 7.38 System for Exercises 7-40 and 7-41. 24

7-40. SAE 30 oil at 68°F flows through the piping system shown in Figure 7.38. (a) If Q₂ = 20 gpm, what is the largest allowable value of Q, so that the flow in inlet pipe 1 is laminar? (b) For the calculated value of Q₁, determine whether the flow is laminar or turbulent in pipes 2 and 3. Globe valve 1 in. dia. 1.25 in. dia. 1.25 in. dia.. Pipe 4 21->>> Pipe 1 f Pipe 2 Pipe 3 Globe valve 3/4 in. dia.. Figure 7.38 System for Exercises 7-40 and 7-41. 24

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A cylindrical tank contains water at a height of 55mm as shown. Inside is a small open cylindrical tank containing cleaning fluid (s.g.-0.8) at a height h. The pressure Pb-13.4 kPa gage and Pc-13.42 kPa gage. Assume the cleaning fluid is prevented from moving to the top of the tank. (a) Determine the pressure Pa in kPa, (b) the value of h in mm, and (c) the value of y in millimeters
1) Determine the flow in Ips on the orifice between the 2 tanks shown below AIR 25kPa AIR 10kPa OIL S=0.80 OIL S=0.80 WATER WATER ORIFICE C0 60 D-50mmo 2,8m 2m 1.5m WL
(Flow through Single Pipes). Determine the flow in each pipe and the pressure at the junction node, D. Assume elevation at Node, D to be 328 feet and friction factor, f, of 0.02 for all pipes. [NOTE: This is a three-part problem]. A B Elevation (ft) Length (ft) 19,680 Diameter (ft) Reservoir Pipe Part A) A 656 AD 3.28 В 590 BD 13,120 2.5 558 CD 29,520 2.5 19,680 13,120 Part B) A 656 AD 3.28 В 574 BD 3.28 CD 29,520 19,680 19,680 492 2.5 Part C) A 656 AD 3.28 В 590 BD 3.28 492 CD 19,680 3.28
Determine the available NPSH for the system shown in Fig. 13.38 (b). The fluid is water at 80°C and the atmospheric pressure is 101.8 kPa. The water level in the tank is 2.0 m below the pump inlet. The vertical leg of the suction line is a DN 80 Schedule 40 steel pipe, whereas the horizontal leg is a DN 50 Schedule 40 pipe, 1.5 m long. The elbow is of the long-radius type. Neglect the loss in the reducer. The foot valve and strainer are of the hingeddisk type. The flow rate is 300 L/min.
Kerosene (s.g.-0.82) enters the cylindrical arrangement of the figure shown at section 1, at 0.56 N/s. The 125-mm-diameter plates are 3.2mm apart. Assuming steady flow, compute the inlet average velocity v1, outlet velocity v2 assuming radial flow, and outlet volume flux. D: 125mm D2: 3.20mm D1: 6.85mm
A (300mm) diameter of pipe, if the discharge (90 L/sec), nozzle diameter (75mm) and pipe length from (1 to 2) was (100m) Determine the length of pipe from (2 to 3), and the pressure at point (2). (e=0.026mm, v =1.13* 10" m²/sec). Fig(1).
Time: 60 Q1: pump puts 2kw in to the system. Find: b. The pressure in the pipe on section side of the pump (at C). a. Discharge. C 5 kPa L = 200 m 10m ↓ Air Water 55 marks 15 m P L = 50m D = 6 cm f = 0.025 D = 8 cm f = 0.030
(b) Water flows without viscous effects from the nozzle, as shown in Figure Q2 (b). The pressure meter shows a reading of 80,1 (3) Water jet (2) 0.05 m- 0.8 m 8X.X КРа 0.1 m Figure Q2 (b) (i) Determine the flow rate at the nozzle exit and the height, h if viscous effects are negligible and the specific weight of water is 9.8 kN/m². (ii) Based on your working from Q2(b)(i), explain how the pressure at point (1) and water velocity at point (2) should be adjusted to increase the flow rate at the nozzle exit.
The steel pipe shown carries water from the main pipe A to the reservoir and is 2 inch in diameter and 240 ft long. What must be the pressure in A to provide a flow of 45 gpm? Clevation K00 t Water 7 50 F Open globe valve 90 bends (threaded)- Elevtion 20 fr 2 in galvanizcd pipe
Figure Q1 (a) shows the tank attached with piezometer tubes. The pressure gauge A is 2.3 kPa. The specific weight for the air is 12.0 N/m', the specific weight for gasoline is 6670 N/m³ and the specific weight for the glycerin is 12360 N/m³. Find the elevation level, ZB and Zc of the liquid (in meters) in the open piezometer tubes B and C. A B C 2 m Air 1.5 m Gasoline ZB Zc 1 m Glycerin Figure Q1 (a)
Water flows from a pressurized tank, through a valve and out a pipe. If Q= 0.1 ft/s, Az 10 ft, P2=0 psig, D = 1lin., ht 5V/2g, please answer the following questions: 1) the pressure in the tank in psig, 2) sketch the EGL of the system., 3) sketch the HGL of the system Air under pressure Water Partly open valve Figure 3. A water tank discharges water through a partly open valve in a pipe with a diameter d
3. A 30m long, 20mm diameter steel pipe is used to drain an oil tank determine the discharge 3E when the oil level in the tank is 4m above the exit of the pipe. Neglect minor losses, (assume f = 0.12) 4m D-20 mm, L-30 m, t 0.12