Fluid mechanics wants to estimate the friction factor

Assignment Help Mechanical Engineering
Reference no: EM13703028

A person with no experience in fluid mechanics wants to estimate the friction factor for a 1 in diameter galvanized iron pipe at a Reynolds number of 8000. The person finds the equation f = 64/Re. Explain the problem with this approach and estimate the error.

Reference no: EM13703028

Questions Cloud

Many ventilation systems maintain a slightly higher pressure : Many ventilation systems maintain a slightly higher pressure in a building than the outside pressure. If the pressure in your room is 0.1 psi than the outside pressure will you be able to open the door? How much is this force compared to your weight?..
Diamond-zirconium oxide-argon gas and rubber-bronze : What type(s) of bonding would be expected for each of the following materials? Diamond, Zirconium Oxide, Argon Gas, Rubber, Bronze (a mixture of copper and tin)
Determine torque and power required to rotate inner cylinder : The space between two 6 in. long concentric cylinders is filled with glycerin (viscosity = 8.5X10-3 lb s/ft2). The inner cylinder has a radius of 3 in. and the gap width between the cylinders is 0.1 in. Determine the torque AND power required to rota..
Direct tension-direct compression and column buckling : Describe when each type of failure occurs: direct tension, direct compression, column buckling, direct shear, torsional shear stress, bending stress
Fluid mechanics wants to estimate the friction factor : A person with no experience in fluid mechanics wants to estimate the friction factor for a 1 in diameter galvanized iron pipe at a Reynolds number of 8000. The person finds the equation f = 64/Re. Explain the problem with this approach and estimate t..
Consider two closely coiled helical springs : Consider two closely coiled helical springs, one made of steel, the other of copper, each 0.01m in wire diameter, one fitting with in the other. Each has an identical number of coils, n=20, and ends constrained to deflect the same amount.
Find the plates heat loss due to evaporation : Air with free-stream velocity of 2m/s passes over a flat plate of length 5m and width 1m. This time, the temperature of the convecting air is Tinfinity = 350K and its relative humidity is 15%. The flat plate is at Ts = 300K and its surface is wetted,..
Dry air passes over a flat plate : Dry air passes over a flat plate, at the surface of which the water vapor concentration is 0.01 kmol/m3. The plate’s length is 5m (in the direction of airflow) and its width is 1m, and the free-stream velocity of the air is 2 m/s. If both the convect..
Derive equation for pressure to push pig through pipe line : Derive equation for pressure to push pig through pipe line. A 20" diameter pipe is 7243 meters long and is being cleaned by a pig apparatus. Derive an equation for the required pressure given by a compressor to push a pig through a pipe while it push..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Computing the second moment of area

It is necessary to design a square-section composite bar that will withstand an applied load without deflecting more than a specified amount.The design specification for the bar, including its dimensions and loading criteria, is given below.

  What is the allowable minimum length of the ramp

If the ramp height is 2ft. Using the ada code, what is the allowable minimum length of the ramp?

  Calculate the heat loss through l10 mm- thick polycarbonate

consider a 300mm x 300mm window in an aircraft. for a temperature diference of 80 degrees c from the inner to outer

  The flywheel of a small punching machine rotates at 360 rpm

the flywheel of a small punching machine rotates at 360 rpm. each punching operation requires 1500 ft-lb of work and it

  An impeller provides 20 kj of work to the air contained in

an impeller provides 20 kj of work to the air contained in a 0.15 m3 rigid volume initially at 200kpa and 10degc.

  The acceleration of block b is a -981 kx2 where a and x

a brass nonmagnetic block a and a steel magnet b are in equilibrium in a brass tube under the magnetic repelling force

  Sy n 210 40 mpa p n124 12 kn using your suggested process

describe in an itemized list or flowchart the steps to solution to determine the probability of yielding if both the

  How many kilograms per second of air must be supplied what

a meeting hall is to be maintained at 25 degc db and 18 degc wb. the barometric pressure is 101.3 kpa. the space has a

  A highway sign experiences a wind force f 5i - 12j - 3k n

a highway sign experiences a wind force f 5i - 12j - 3k n at its center of gravity 0 8 8 m. determine the moment of

  Determine the velocity v and acceleration a determine the

a moving particle has coordinates in millimeter which vary with the time t in seconds according to r2t2-4ti 3t2 -t33j

  Ateam at 5 bar 320 c enters a steady state turbine with a

ateam at 5 bar 320 c enters a steady state turbine with a volumetric flow rate of 0.65m3s and evpands adiabatically to

  Large wind turbines with blade span diameters of over 100 m

large wind turbines with blade span diameters of over 100 m are available for electric power generation. consider a

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