2. Water at 20°C with a density of 0.9982 g/cc and a viscosity of 1 cP is flowing from an open reservoir throughthe piping system below and assumed to be discharged at an atmospheric condition. The piping system iscomposed of 3 m - 3" schedule 40 pipe with a standard gate valve wide open installed and 6 m - 2" schedule40 pipe. The reservoir has a level of water of 3.5 m. Calculate the average volumetric flow rate in liters perminute. (Use equation 6-37 of Perry's Handbook (9th edition) to calculate for fanning friction factor).3" pipe Sch 403.5 m2" Sch 40 pipeStandard Gate Valve – Wide open

Given: Density=0.9982 gcc=998.2 m3s Viscosity=1 cP=0.001 Pa.s

Answered: 2. Water at 20°C with a density of…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Both ends of the nozzle with an inlet cross-sectional area of 1x10-5 ft2 and an outlet cross-sectional area of 3x10-6 ft2 are open to the atmosphere. Calculate the volumetric flow rate for the inlet pressure of 0.06 psi and give the result in accordance with the SI unit system
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1950 liter/h ethanol at 320 K is pumped in a 35 mm inner diameter pipe through a distance of 150 m in a horizontal direction and then up through a vertical height of 15 m. In a pipe there is a control valve for which the friction loss may be taken as equivalent to 220 pipe diameters and also other pipe fittings equivalent to 60 pipe diameters. Also in the line is a heat exchanger across which there is a loss in head of 2.5 m of CCl4. If the main pipe has a roughness of 0.2 mm, what power must besupplied to the pomp if it is 75 per cent efficient
1) Water is pumped from a storage tank through a tube of 3.0 cm inside diameter at the rate of 0.001 m³/s. What is the kinetic energy per kg water in the tube?
Water is flowing through a horizontal 6 in. Schedule 40 mild steel pipe at 1 atm and 25°C. The inside diameter and the length of the pipe are 0.154 m and 1500 m, respectively, and the roughness factor is 0.0000457 m. The inlet and outlet conditions are P1 = 20 atm, z1 = 0 m, P2 = 2 atm, and z2 = 100 m. The density of water is 1000 kg/m3 and the viscosity is 0.001kg/(m-sec). Calculate the inlet volumetric flow rate and the pressure drop APf = 2fLv²/D. The friction factor f is given by the Colebrook equation as follows: 1 = -1.7372In 1.255 + 3.7D ' NReVf)
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Pressure Drop of a Flowing Gas. Nitrogen gas is flowing through a 4-in. schedule 40 commerical steel pipe at 298 K. The total flow rate is 7.40 x 10-2 kg/s and the flow can be assumed as isothermal. The pipe is 3000 m long and the inlet pressure is 200 k Pa. Calculate the outlet pressure. nk 1
Q3) A tank as shown in figure Q3 is being filled by pipes 1 and 2 and there are leaks through pipes 3 and 4 as shown. Knowing that the capacity of the tank is 25 m², and the density of water is 1000 kg/m²: i) Determine the mass and volume of water stored after 5 minutes. ii) Determine how long it will take in minutes to fill the tank. Pipe 1 15 kg/s Pipe 2 8 kg/s Pipe 4 2 kg/s Pipe 3 5 kg/s Figure Q3
1. Consider a 1000 MW power plant located in a rural area with 15 ton/day SO2 emissions from a 100 m high stack. The velocity and temperature of the stack gases lead to an effective stack height of 50 m above the physical stack. Estimate the ground level concentration as a function of distance downwind under the following conditions. The emissions are into a clear daytime atmosphere with wind (at 10 m) of 5 m/s. b. The emissions are into a clear nighttime atmosphere with wind (at 10 m) of 2 m/s. The conditions of a. except there is a strong elevated inversion at an altitude of 200 m. a. С.
Question 2 A water pump driven by an 800 W electric motor is used to pump water from the ground level to a tank at the rate of 20000 L/hour. Water is being discharged into the tank at 10 meters above the ground; this is the maximum rise this pump can achieve. The water and the ambient temperatures are both 10 °C. The inlet and outlet pipe diameters for the pump are both 8 cm, respectively. Determine: (1)/ The average inlet linear flow velocity of the water; 2) Assuming the efficiency of the electric motor is 95%, calculate the efficieney-of the motor-pump unit; 3) The pressure difference between the inlet and the outlet of the pump.

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