8/13/2019 Ai 010 801 Syllabus

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AI 010 801

Instrumentation System Design(common to EI010 801 and IC 010 801)

Teaching scheme Credits: 4

3 hours lecture and 2 hours tutorial per week

ObjectiveTo help the students get basic understanding of the following:

Design of instrumentation systems for various applications.

Design of electronic and pneumatic controllers.

Piping and instrumentation diagrams.

Procedures for the preparation of an instrumentation project.

Noise and noise reduction techniques in measurement.

Module 1

Sensing element : Elastic sensing elements - Cantilever and torque elements, Pillar load cell,Strain gauge accelerometer- Inductive push pull displacement sensor Capacitive level

sensor .

Signal conditioning element : Design of resistive and reactive bridges for sensors. Design of

the bridge Circuit for RTD- Design of reference junction compensation for thermocouple -

Linearising techniques for thermocouple and thermistor- Design of charge amplifier-

Instrumentation amplifier. A.C. carrier systems - Lock in amplifier.

Module 2

Current transmitters-Concept of 2 and 4 wire transmitters with 4-20mA output- Open loop

and closed loop current transmitters. Smart transmitters- Future trends in intelligent devices-Design of pneumatic and electronic PID controllers-Design of ON-OFF controllers with

neutral zone -Design of instrumentation servo mechanism- Design of annunciators - Low

level and high level annunciators.- Enunciators

Module 3

Orifice meter- Design of orifice for a given flow condition for compressible and

incompressible fluids -Design of rotameter- Design of venturi meter- Bourdon gauges-

Factors affecting sensitivity- Design of bourdon tubes- Design of square root extractors for

variable head flow meters.

Module 4

Piping and instrumentation diagrams ISA symbols Process and instrumentation

(PI)diagram of typical process plant Preparation of instrumentation project Documents to

be produced- Process flow sheet mechanical flow sheets- Instrument index sheet

Instrument specification sheet Process information required- process information Bid

documentsproject procedures Project scheduleVendor drawings Work coordination

Project manager process engineer Equipment engineer Job execution planning hints-

scheduling- Project checklist equipment delivery -

Conclusion Instrument specification sheet for pressure Choice of temperature flowlevel

analytical instruments and control panels.

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