Syllabus
|
Course Code: EI-PC-207 Course Name: Transducers and Applications |
||
| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
|---|---|---|
| 1 | Transducers: Basic concepts of sensors and transducers and their classification, characteristics and choice of transducers, factors influencing the choice of transducers. Basic operating principle of resistance strain gauge, type of electrical strain gauges and their theories: wire gauges, unbounded strain gauges, foil gauges, semiconductor strain gauges and thin film gauges, Materials for strain gauges, strain gauge circuits. |
|
| 2 | Displacement Transducers: Resistive transducers, potentiometers, loading effect, construction of potentiometers. Variable inductance transducers, Linear Variable Differential Transformer (LVDT), Rotary Variable Differential Transformer (RVDT), Variable Reluctance, Variable Capacitive displacement Transducers and Hall Effect Transducers. Piezoelectric transducers: modes of operation of piezoelectric crystals, properties of piezoelectric crystals, equivalent circuit of piezoelectric transducers, loading effects and frequency response, impulse response of piezoelectric crystals. | |
| 3 | Force Transducers: load Cell, Hydraulic Load Cell. Pressure transducers: Manometers, Elastic transducers, Mcloed Gauge, Pirani-gauge, Ionization gauge, Temperature Transducers: Resistance Temperature Detector, Thermistor, Thermocouple,Thermoelectric sensors, Pyrometers. |
|
| 4 | Flow Transducers: Classification of flow meter, Volume flow Sensors,Turbine type, Rotameters, Anemometers, Ultrasonic, Mass flow meters, Positive displacement type flow-meter, Open channel flow measurement, E.M. Flow-meter. Level Transducers: Thermal effect type, Electric methods, Ultrasonic method. Acoustics sensors: Ceramic microphones, capacitor microphones, electric microphones, magnetic microphone. Humidity sensors: Hair hygrometer, electrode hygrometer, moisture sensors. |
|
