Problem The relation between pressure drop and flow rate of laminar flows in a pipe is given by l...
Oil (density 900 kg/m' and absolute viscosity 0.2 kg/m-s) flows through a pipe 20-m-long and 4-cm wide in inner diameter a- The flow rate is 47 liters/min. when the pipe is laid horizontally. Calculate the pressure needed at the pipe inlet. (7 points) b- If the exit end of pipe is raised by 0.2 m, please find the flow rate at this slope while the inlet pressure remains the same as in the situation (a). (8 points) (a) Air 0.2m...
3. (a) For the flow of a real fluid (p, u) in a rough (e measures losses lead to a pressure gradient along the pipe - Ap/L. Determine an expression for the pressure roughness) horizontal pipe energy Ap ( L pV2 gradient for a pipe of diameter - d, flowing with a mean velocity - V. pVd'd d (b) If for a 75mm diameter pipe flowing with water at 0.25m/s the measured pressure drop is 120Pa/m What will be the...
(a) A horizontal pipe of diameter 10 cm carries crude oil from A to C as shown in Figure 4. At a point B, midway between A and C, oil leaks at a volume flow rate of QL . The pressure drop per unit length along AB is 640 Pa/m and along BC is 600 Pa/m. Determine the leakage flow rate QL . The density of oil is 800 kg/m3 and its dynamic viscosity is 0.1 N.s/ m2 . You...
In-class problem (submit by 5 pm) Water at a gauge pressure of 3.8 atm at street level flows into an office building at a speed of 0.06 m/s through a pipe 5.0 cm in diameter. The pipes taper down to 2.6 cm in diameter by the top floor, 20 m above. Calculate the flow velocity and the gauge pressure in such a pipe on the top floor. Assume no branch pipe an ignore viscosity.
Problem 2: Oil at 20 °C (SG 0.88) flows in the 3-cm P= 180 kPa diameter pipe shown in the figure. For the pressure measurements in the figure, determine: a) Whether the flow is up or down b) The head loss between points A and B P 500 kPa 15 m c) The flow rate if losses are about 16% of the 370 velocity head 20 m Problem 2: Oil at 20 °C (SG 0.88) flows in the 3-cm P=...
Oil (density = 895kg/m3) flows from a pipe (assuming low flow rate in this pipe) with pressure 500 kPa gauge through a long 10mm inside diameter hose to an open point at P(atm) 12 m below the supply pipe. Assuming there is no friction, Use Bernoulli’s equation to calculate the flow rate of oil from the hose.
40 N"s/m2 and ?-1000 kg/m3 is flowing through a circular pipe umetric flow rate (Q) of the oil is 1*10 m'/s, determine: 1) (2096) Oil with viscosity of with diameter D 0 0.1 m. If the volu a. b. If the flow is laminar or turbulent Th e pressure drop over a 20 m length of p ipe in kPa
1. An oil of density p800 kg/m3 and viscosity u 5 cP flows at 10 liters/min through a 30 m smooth circular pipe of inner diameter 2 cm. It then flows through a filtering section made up of the same pipe packed at void fraction ε-0.4 with solid spherical particles of diameter 0.5 mm to filter out any fine material. All pipe sections are straight as shown. Design constraint: the pressure drop in the packed bed section (call this AP2)...
7. Two round pipes have water flowing through them. Pipe B is half of the diameter of pipe A. If the average velocity of the flow through both pipes is the same, what is Q./Q.? B 8. A lubricating oil with a viscosity of 0.1 (N s/m' is between two plates, one stationary and one moving If the moving plate is moving with a velocity of 1.3 m/s and the distance between the plates is 0.4 cm what is the...
[10] Design Problem As shown in the figure below, a double-pipe parallel-flow heat exchanger is used to heat cold fluid which is water (Cp = 4180 J/(kg.K), p = 1000 kg/m) from 20°C to 80°C at a rate of 0.15 kg/s. The heating is to be accomplished by hot fluid, which is geothermal water (Cp = 4310 J/(kg.K), p = 1050 kg/m²) available at 130°C at a mass flow rate of 0.25 kg/s. The inner tube has an inner diameter...