GE22 Pnuematics

Part 1 Lessons

ME 201 Introduction to Fluid Mechanics ( Needs to do)

Wk 1- ME 201Introduction to Fluid Mechanics Part 1

Study the notes in ME201 Part 1 folder and do the following exercises.

Slide 1

Q1.Describe the nature of fluid.

Slide 2

Q2. Write continuum equation of fluid.

Slide 3

Q3.What are the properties of fluids

Q4. What is density?

Slide 5

Q5.What is viscosity?

Slide 6 to 8

Q6.Write the equation for viscosity.

Slide 9 to 11

Q7.Explain surface tension & write the equation.

Slide 12

Q8.What is compressibility?

Slide 13.

Q9. Outline the broad classification of fluid mechanic.

Slide 14.

Q10.Explain fluid statistics.

Slide 15 to 17

Q11.Write the equation for pressure.

Slide 18

Q12.Show pressure variation in the direction of gravity.

Slide 19

Q13.Define the followings.

Slide 20

Q14.Explain measurement of pressure.

Wk 3-ME 204 Engineering Fluid Mechanics

+

ME 301 Fluid Dynamics ( Needs to do)

Study ME 301 folder & do the exercises

Slide 1

Q1. What kind of forces are acting on fluid particles?

Slide 2

Q2.Write the equation for compressible flow.

Slide 3

Q3. Express Navier Stokes equation and energy equation.

Slide 4

Q4.Write the equation for dissipation function.

Slide 5

Q5. Write the equation for incompressible flow.

Slide 6 to 8

Q6.Explain turbulent flow with diagram and express the graphs for instantaneous and average velocities.

Slide 9

Q7.Explain inviscid flow

Slide 10.

Q8.Explain boundary layer

WEEK 16-ME 634 Pneumatics

Study  ME 634 Pneumatics part 1 and do the following exercises.

Slide 1

Q1.Explain transmission of force by fluid.

Slide 2

Q2.Write the equation to calculate pressure.

Slide 4

Q3.Sketch the effective area of piston.

Slide 5

Q4.Explain flow and pressure drop.

Slide 6.

Q5.What are the natures of the pressure at upstream and downstream.

Slide 7

Q6.Explain flow through orifice to atmosphere.

Slide 8+9

Q7.Explain the followings

(a)   Atmospheric pressure (b) Vacuum pressure (c) Gauge pressure versus absolute pressure.

Slide 10

Q8.Explain the pressure in liquid.

Slide 12

Q9.An air receiver with a volume of 6 m3  must be filled with compressed air to a maximum pressure of 900 kpa ( 9 bar ) . Calculate the volume of free air (FA) to be pumped by the compressor.

Slide 13

Q10.Explain Charles law

Slide 14+15

Q11.Explain Gay Lussac’s law

Q12.Explain the concept of power transmission.

Slide 16

Q13.Explain the relationship of force, velocity, pressure and flow rate.

Slide 17.

Q14 Sketch the basic pneumatic system by applying block diagram and pneumatic symbols.

Slide 18 to 20

Q15.Sketch the following positions of valves.

(a)   Actuated position (b) Non actuated position (c) Centre position.

ME 634 Pneumatics

Study  ME 634 Pneumatics part 2 and do the following exercises.

Slide 1+2

Q16.Explain the uses of two ports, three ports, four ports and five ports valves.

Slide 3

Q17.Sketch the mechanism of rotary plug valve.

Slide 4 to 8

Q18.Explain the followings.

(a)   Normally closed and normally open valves (b) Methods of valve actuation (c) Spring actuated valves

Slide 9

Q19.Sketch the followings.

(a)   Pedal (b) plunger (c) Spring (d) Detent (e)Solenoid valve (f) Spring centred

Slide 10 to 13

Q20.Explain spool valve ,flat slide valve and poppet valve .

Slide 14

Q21.Describe spool-poppet valve with sketch.

Slide 15 to 17

Q22.Explain toggle disc valve.

Slide 18 to 20

Q23.Explain the followings

(a)   Cross over condition (b) Special condition (c) Valve conversion.

ME 634 Pneumatics

Study  ME 634 Pneumatics part 3 and do the following exercises.

Slide 1+2+3

Q24.Sketch positive overlap and negative overlap.

Slide 4 to 7

Q25.Sketch Normally closed and Normally open valve

Q26.Explain actuator control.

Slide 8+9

Q27.Explain time delay valve.

Slide 12+13

Q28.Explain the followings

(a)Variable restrictor with free reverse flow (b) Cam roller operated flow control

Slide 14+15

Q29.Explain quick exhaust speed control.

Slide 16+17

Q30.Explain power valve exhaust port speed control.

Slide 18+19

Q31.Explain air motors.

ME 634 Pneumatics

Study  ME 634 Pneumatics part 4 and do the following exercises.

Slide 1+2

Q32.Describe pneumatics sensors.

Slide 3 to 5

Q33. Describe back pressure sensor for contact sensing.

Slide 6+7

Q34.What is proximity sensor?

Slide 8+9

Q35.Sketch sensor circuit.

Slide 10

Q36.Explain pneumatics governor.

Part 2 References

Pnuematics

Fluid Mechanics

Engineering Fluid Mechanics

Fluid Dynamics