Calculate the average velocity in each section

Assignment Help Mechanical Engineering
Reference no: EM13710395

Air at 60° F and 40 psia is flowing in a 4" diameter pipe at 0.2 slugs/sec. The pipe undergoes a conversion to a 2" by 3" rectangular duct in which T = 150°F and P = 7 psia. Calculate the average velocity in each section.

Reference no: EM13710395

Questions Cloud

What is the polytropic exponent of this process : Air, initially at 220 kPa and 450 K undergoes a polytropic state change to 374 kPa and 495 K. What is the polytropic exponent of this process? Saturated water vapor is contained in a rigid container. Heat is then added until the pressure and temperat..
What is the outlet to inlet area ratio of this diffuser : Design a ceiling diffuser. Air flows in the duct behind the diffuser and enters the diffuser at a pressure of 12.8psia, and a velocity of 200in/sec. The outlet of the diffuser is in the room, with atmospheric pressure of 14.5 psi. For the comfort of ..
Wedges-learning goal : The crate shown is held against wedge B by a spring. The spring is 94.5% of its original uncompressed length l=2.75m, and the spring constant is given as k=1650N/m. The coefficient of static friction at all contacting surfaces is ?s=0.130. The mass o..
Obtain the half-range cosine series for the function : A periodic function f(t)is of period 10 defined by f(t)=N+t2, 0
Calculate the average velocity in each section : Air at 60° F and 40 psia is flowing in a 4" diameter pipe at 0.2 slugs/sec. The pipe undergoes a conversion to a 2" by 3" rectangular duct in which T = 150°F and P = 7 psia. Calculate the average velocity in each section.
Calculate the fugacity of liquid hydrogen sulfide : Calculate the fugacity of liquid hydrogen sulfide in contact with its saturated vapor at 25.5C and 20 bar. The vapor pressure of pure water at 310.6 K is 6.455 kPa. Compute the fugacity of pure liquid water at 310.6 K when it is under a pressure of 1..
Liquid-vapor water mixture in a rigid tank : ½ kg of a liquid-vapor water mixture in a rigid tank initially at 2 bar is heated by 120V heater for 5 minutes until it becomes a saturated vapor at 4 bar. Changes in kinetic and potential energies can be ignored.
Determine the heat transfer and work transfer : Ten pounds-mass of R-22 is at an initial volume of 4.059 ft3 and pressure of 200 psia. It is compressed isobaric ally until its volume is two-thirds of its initial volume. The piston is then held in place as the refrigerant cools until its temperatur..
Property for given state and show on stated state diagram : Determine the property for the given state and show on stated state diagram:

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Plot the mass of ice against the initial temperature of ice

A 0.3-L glass of water at 20°C is to be cooled with ice to 5°C. The melting temperature and the heat of fusion of ice at atmospheric pressure are 0°C and 333.7 kJ/kg, respectively, and the density of water is 1 kg/L.

  A 50-lb sphere with a radius of qyration of 04 ft is

a 50-lb sphere with a radius of qyration of 0.4 ft is accelerated about its centroidal axis. determine the torque

  Compute the torsional shear stress in a hallow shaft with

compute the torsional shear stress in a hallow shaft with an outside diameter of 40 mm and an inside diameter of 30 mm

  How to create a directory called class

make a text file that contains what is your absolute path, and call it paths.txt

  The inlet of the bend is 50 cm above the exit neglecting

water flowing in a horizontal 30 cm diameter pipe at 5 ms and 300 kpa gage enters a 90o bend reducing section which

  The pressure at the discharge is 5 psi gage the solution

a 20 degc brix sucrose solution at 70 degf is being pumped from a large open tank at a rate of 16 gallonsmin through a

  Ressure ratio 81 air mass flow 60 kgs all components are

an air-standard brayton cycle is utilized as a jet propulsion engine. the aircraft flies at an altitude of 5000 m at a

  Compressed steadily as well adiabatically in a reversible

Refrigerant R-134a is compressed steadily and adiabatically in a reversible compressor. The volume flow rate entering the compressor is 800 ft3/min.

  What wavelength photons are required to excite electrons

Atoms are 1-dimensionally aligned with an inter atomic distance of 10nm. Let’s assume that the positive charge of the nucleus of the atom is infinitely large so that electrons are confined to a specific atom. Then, what wavelength photons are require..

  Air at a pressure of 400kpa and a temperature of 700 degree

air at a pressure of 400kpa and a temperature of 700 degree celsius expands in a turbine at steady state to a pressure

  Find the area of the compressor intake for a velocity

The actual (irreversible) components of a small Brayton cycle gas-turbine engine are shown. The cycle pressure ratio is 15 and the maximum turbine temperature is 1600 K. The turbine and the compressor are insulated and have isentropic efficiencies of..

  Velocity of the bullet and block immediately after impact

A 25-g bullet is traveling with a velocity of 425 m/s when it impacts and becomes embedded in 2.5 kg wooden block. The block can move vertically without friction. Determine a) the velocity of the bullet and block immediately after impact,

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd