ExampleAir flows from a reservoir through an isentropic nozzle into a long straight pipe. Thepressure and temperature in the reservoir are 20 atm and 555.6 K, respectively, andthe Mach number at the entrance of the pipe is 0.05.(a) What is the value of maxDTH(b) What are the pressure, temperature, density, linear velocity, and mass velocitywhen L = Lmax"?fLmax(c) What is the mass velocity when400?TH

(a) Write the expression for fLmaxrH as follows: fLmaxrH = 1γ1Ma2-1-γ+12ln21+γ-12Ma2Ma2γ+1…

Answered: Air flows from a reservoir through an…

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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(a) A solvent A is pumped from the bottom of an extraction column to a storage tank 15m higher. The pump adds 85 kW and the solvent flow rate is 0.5 m³ s-1. Determine: (i) (ii) the loss of head (in m) and the power loss (in kW) due to friction; the overall efficiency of the pump. Additional information: Density of solvent p = 1020 kg m-³ Gravitational acceleration g = 9.81 m s-²
Use Bernoulli’s equation
FLUID MECHANICS 1
You live along the flight path of planes coming in for a landing at the airport. The intensity of sound waves from a plane's engines is 4.0 × 10-7 W/m² when the plane is at an altitude of 10000 m. A. What is the power of the sound waves emitted by the engines (assuming the sound travels equally in all directions)? P = W B. What is the intensity of the sound waves emitted by the engines when the plane is at an elevation of 100 m? I = W/m²
Steam flows in a Schedule 40, 6" (NPS) nominal pipe size 1000 ft long pipe, with roughness 45 micron. The steam enters the pipe at 200 oC. The steam flow rate is 45,000 lb/hr and the pressure at the entrance of the pipe is 10 bar. The pipe is well insulated and the flow of steam is considered isothermal. Assume that the steam behaves as an ideal gas with constant viscosity 0.018 cp. The molecular weight of steam is Mw=18 kg/kmol. Calculate the pressure of the steam at the outlet of the pipe (in bar)
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?
A pressurized tank of water has a 10-cm diameter orifice at the side bottom corner of the tank, where the water is being discharge to the atmosphere. The water level is 3 meters above the orifice. The tank air pressure above the water level is 300 kPa. Neglecting frictional effects, the initial discharge rate of water in kilograms per second (kg/s) from the tank is
The tank on a trailer truck is filled completely with gasoline, which has a specific weight of42 lbf/ft 3 . The truck is decelerating at a rate of 10 ft/s 2a. If the tank on the trailer is 20 ft long and if the pressure at the top rear end of the tank isatmospheric, what is the pressure at the top front?b. If the tank is 6 ft high, what is the maximum pressure in the tank?
5
Consider the steady, isothermal, irrotational flow of an incompressible frictionless fluid subject only to a body force characterized by a potential O, where F,=- V@ (in units of force/volume). Since the fluid is frictionless, the only surface force is due to pressure, F =-pn. By completing a momentum balance on a material volume of fluid subject to the constraints listed above, derive Bernouilli's law, P + ½pv² + O = constant along a fluid streamline.
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.
An incompressible Newtonian fluid is contained between two long concentric cylinders of radii λR (^< 1) and R, as shown in the figure. The inner cylinder rotates with an angular velocity . Compute the velocity distribution between the cylinders. Also, compute the torque required to hold the outer cylinder stationary. End effects caused by the finite length of the cylinders can be neglected. r word XR ↑ Axial section $5 Cross-section

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