Determine the required ventilation flow rate

Reference no: EM13558639

1. A section of a mine ventilation system is connected together as shown in the diagram below, if the pressure drop across the system is 3 kPa and the resistances are as indicated determine the flow in each airway.

1820_Determine the required ventilation flow rate.png

2. Define Kirchoff's first and second laws.

3. A mine has a total airflow requirement of 248m³/s. If the equivalent resistance of the workings is 0.45 Ns²/m⁸ determine the pressure to be developed by a single mine fan to ventilate the workings.

4. A working area of a mine has diesel equipment operating within it. The maximum diesel loading is 450 kW. The same section of the mine also has a methane inflow of 0.65 m³/s flowing into it. If the maximum permissible methane concentration in the general body of the air is 1% and the design diesel air quantity is 6 m³/s per 100 kW of installed diesel power, determine the required ventilation flow rate for the working area.

Reference no: EM13558639

Questions Cloud

Throw the football a horizontal distance problem : A quarterback claims that he can throw the football a horizontal distance of 196.6 m (215 yd). Furthermore,he claims that he can do this by launching the ball at the relatively low angle of 25° above the horizontal. To evaluate his claim,determine..

Compute what is the orbital speed of the second satellite : A satellite is in a circular orbit around an unknownplanet. The satellite has a speed of 1.60 x 104m/s, and the radius of the orbit is 5.45 x 106 m. What is the orbital speed of the second satellite

What percentage of the final charge is present on capacitor : Consider an RC circuit in which the capacitor is beingcharged by a battery connected in the circuit. what percentage of the final charge is present on the capacitor

Coefficient of kinetic friction between the log and the ramp : A 217-kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at30.0° with respect to the horizontal. The coefficient ofkinetic friction between the log and the ramp is 0.860, and the loghas a..

Determine the required ventilation flow rate : Determine the required ventilation flow rate for the working area and determine the flow in each airway.

What is the magnitude of the horses average acceleration : A wild horse starts from rest and runs in a straight line 29°north of west. After 39 s of running in this direction, the horse has a speed of 13 m/s. What is the magnitude of the horse's average acceleration?

Model rocket blasts off from the ground rising straight : A model rocket blasts off from the ground, rising straight upwardwith a constant acceleration that has a magnitude of 80.4m/s2 for 1.72 seconds, at which point its fuel abruptlyruns out. Air resistance has no effect on its flight. What maximum altit..

What is the friction factor of the tunnel : determine the resistance of the tunnel. If 70 m3 /s of air is passed along this tunnel what would be the pressure drop along the tunnel and what is the friction factor of the tunnel?

What is the work done bythe persons head : In starting an exercise, a 1.61 m tall personlifts a 2.18 kg book on the ground so it is 2.26m above the ground. What is the work done bythe person's head

User Account

All Pages