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Mechanical Measurements and Metrology

Mechanical Measurements and Metrology. Instructor: Prof. S. P. Venkateshan, Department of Mechanical Engineering, IIT Madras. This course discusses topics in mechanical measurements and metrology: errors in measurement, propagation of errors, regression analysis, measurement of field quantities like temperature and pressure, measurement of derived quantities like heat flux, measurement of thermo-physical properties, measurement of geometric forms and straightness, measurement of screw threads and gears, and measurement of surface roughness. (from nptel.ac.in)

Lecture 17 - Resistance Thermometry: Thermistors, Pyrometry (Radiation Thermometry)

Go to the Course Home or watch other lectures:

Lecture 01 - Introduction to the Study of Mechanical Measurements

Lecture 02 - Errors in Measurement

Lecture 03 - Errors in Measurement (cont.)

Lecture 04 - Propagation of Errors

Lecture 05 - Regression Analysis

Lecture 06 - Regression Analysis (cont.)

Lecture 07 - Design of Experiments

Lecture 08 - Design of Experiments (cont.)

Lecture 09 - Temperature Measurement

Lecture 10 - Overview of Thermometry

Lecture 11 - Thermoelectric Thermometry

Lecture 12 - Thermoelectric Thermometry (cont.)

Lecture 13 - Measurement of Temperature under Various Conditions

Lecture 14 - Errors in Temperature Measurement

Lecture 15 - Measurement of Transient Temperature and Resistance Thermometry

Lecture 16 - Resistance Thermometry (cont.)

Lecture 17 - Resistance Thermometry: Thermistors, Pyrometry (Radiation Thermometry)

Lecture 18 - Pyrometry (cont.)

Lecture 19 - Pyrometry (cont.), Gas Temperature Measurement, Measurement of Pressure

Lecture 20 - Pressure Measurement: Bourdon Gage

Lecture 21 - Pressure Measurement: Strain Gage

Lecture 22 - Pressure Measurement: Strain Gage Circuitry, Diaphragm Gage

Lecture 23 - Pressure Measurement: Linear Variable Differential Transformer, Capacitance Gage

Lecture 24 - Transient Response of Pressure Transducers

Lecture 25 - Transient Response of Pressure Transducers (cont.)

Lecture 26 - Measurement of High Vacuum

Lecture 27 - Measurement of Fluid Velocity

Lecture 28 - Hot Wire Anemometry and Laser Doppler Velocimetry

Lecture 29 - Laser Doppler Velocimetry and Ultrasonic Methods

Lecture 30 - Measurement of Heat Flux

Lecture 31 - Measurement of Heat Flux (cont.)

Lecture 32 - Transient Method of Heat Flux Measurement

Lecture 33 - Measurement of Volume and Mass Flow Rate of Fluids

Lecture 34 - Flow Measuring Devices

Lecture 35 - Measurement of Stagnation and Bulk Mean Temperatures

Lecture 36 - Measurement of Thermo-Physical Properties

Lecture 37 - Measurement of Thermal Conductivity

Lecture 38 - Measurement of Heat Capacity and Heating Value of Fuels

Lecture 39 - Measurement of Viscosity

Lecture 40 - Measurement of Viscosity (cont.)

Lecture 41 - Integrating Sphere and Measurement of Emissivity

Lecture 42 - Measurement of Gas Composition

Lecture 43 - Measurement of Gas Composition (cont.)

Lecture 44 - Measurement of Gas Composition and Smoke

Lecture 45 - Measurement of Force

Lecture 46 - Force Measurement

Lecture 47 - Vibration and Acceleration Measurement

Lecture 48 - Laser Doppler Accelerometer, Speed, Torque and Power Measurements

Lecture 49 - General Issues in Mechanical Measurement

Lecture 50 - Case Studies