Determine the mass flow rate of air through fan at elevation

Assignment Help Mechanical Engineering
Reference no: EM13711516

A desktop computer is to be cooled by a fan whose flow rate is 0.34 m3 /min. Determine:

a) the mass flow rate of air through the fan at an elevation on 3400 m, where the air density is 0.7 kg/m3 .

b) the diameter of the casing of the fan, if the average velocity of air is not to exceed 110 m/min.

Reference no: EM13711516

Questions Cloud

What is the convective heat transfer : A square vertical plate measuring 0.25 m on each side is exposed on one side to air at 1 atm and 10 C. If the plate is held at a constant 286 C, what is the convective heat transfer?
Find the convective heat transfer in the channel : Two plates are suspended vertically in 20 C atmospheric air forming a channel of width 18cm. The plates are 3m high and are maintained at a temperature of 275 C. If the channel is 5 m deep, find the convective heat transfer in the channel
Rate of heat transfer between the steam and cooling water : A shell-and-tube heat exchanger is used to cool a flow of steam using a stream of cooling water. The steam enters the heat exchanger at 0.1 bar and a quality of 91% (state 1), and exits as a saturated liquid at the same pressure (state 2).
Determine the centroidal moment of inertia : Determine the centroidal moment of inertia for the following. The center circle is cut out. you have a rectangle standing up ward the height is 7 in and the width is 4 in there is a cut out hole in the center with 2 in for diameter.
Determine the mass flow rate of air through fan at elevation : A desktop computer is to be cooled by a fan whose flow rate is 0.34 m3 /min. Determine the mass flow rate of air through the fan at an elevation on 3400 m, where the air density is 0.7 kg/m3. The diameter of the casing of the fan, if the average velo..
Calcium silicate has replaced asbestos preferred insulation : Calcium Silicate has replaced asbestos as the preferred insulation for steam lines in power plants. Consider a 40 cm O.D., 4 cm wall thickness steel steam line insulated with a 12 cm thickness of calcium silicate. The insulation is protected from dam..
Determine the mass flow rate through the compressor : Carbon Dioxide (CO2) gas enters a compressor steadily at 10 KPa and 540K with a velocity of 200m/s. The carbon dioxide leaves the compressor at 3MPa and 900K with a velocity of 40m/s. The exit of the compressor is .006m^2. The heat transfer rate from..
For mass-spring-damper accelerometer : For mass-spring-damper accelerometer, calculate the mass needed to achieve mechanical noise limit a_rms = 1 nG if the mechanical resonance frequency is to be f=100 Hz.
Gas in a closed system undergoes the power cycle : Gas in a closed system undergoes the power cycle as shown in the p-v diagram below as described by 1->2 is a constant pressure process, 2-> 3 is a constant volume process and 3 -> 1 is a pV = const. process. The internal energy U1 = U2 = 30 kJ/kg and..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Steam are initially problem

5 kg of steam are initially at 310 bar and T = 750 C. The steam is isobaric ally cooled to 450 C. First, sketch the process on T -v and p - v diagrams. Then, determine Q, W, delta U, and delta H in kJ for this process using the steam tables.

  Find the rate of heat addition to the cycle

A 1200 MW power plant has a thermal efficiency of 39%. Find: (a) the rate of heat addition to the cycle (b) the rate of heat rejection from the condenser [(a) 1.05 x 10^10 Btu/hr; (b) 6.4 x 10^9 Btu/hr]

  Calculate the hourly gas flow rate for the conditions given

calculate the hourly gas flow rate for the conditions given as followsreadings differential pressure 50-in water static

  If these viscosities are the safe limits for the oil

a pump fitted with 50mm bore ball bearings uses an oil whose viscosity ranges from 100cst at cold pump start-up to

  Verify your finite difference code solution against a

develop a one-dimensional transient numerical solution for a plane wall of a nuclear containment vessel. the external

  The steam exits the turbine at a pressure of 40 kpa and a

a steam turbine has an inlet pressure of 1200 kpa and temperature of 400 degc. the steam exits the turbine at a

  Calculate the required diameter of a 3 m long stainless

calculate the required diameter of a 3 m long stainless steel annealed rod subjected to an axial tensile load o f 67

  If the air conditioning system draws 5 hp of power when

an air conditioning system is used to maintain a house at 70f when the temperature outside is 90f. if the air

  Find the liquid by volume such that the water will pass

a rigid vessel contains saturated water mixture at 1 atm. find the liquid by volume such that the water will pass

  Determine the tension in cables de and df

The center of gravity of the boom is located at G. Determine (a) the tension in cables DE and DF, (b) the reaction at A.

  Determine the fraction of the heat transfer qh discharged

a reversible heat pump cycle operates between hot and cold reservoirs at th 27degc and tc -3degc respectively.

  If the discharge from the turbine is 250 cubic feet per

if the discharge from the turbine is 250 cubic feet per second what power output may be expected from the turbine?

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