Online Training - Basic Infrared Thermography

DESCRIPTION This course is designed to enable participants to achieve a through knowledge of the relevant theories and equipment operation necessary to perform quality infrared inspections. By obtaining a through understanding of the fundamental concepts and theories of this technology, participant will develop a method of thinking required to accurately evaluate temperature related problems for almost any application. Participant will learn how to use their specific brand of IR equipment; make accurate temperature and emissivity measurements; perform an inspection; account for small object size, distance and reflectivity; collect, analyse and document thermal data; write reports, implement a programme and market your services. OUTLINE 1. Introduction to Infrared Thermography 2. Basic Thermal and Infrared Physics 3. Basic Heat Transfer

• Conduction Fundamentals; Fourier’s Law; Conductivity & Resistance Basics
• Convection Fundamentals; Newton’s Law of Cooling; Radiation Fundamentals
• Film Co-Efficient/Film Resistance Basics; Stephan Boltzmann Law (Concept)
• Radiosity Concepts; Reflectance, Transmittance, Absorbance, Emmittance
• Radiometry and Imaging; Spatial Resolution Concepts
• Error Potential in Radiant Measurement

4. The Electromagnetic Spectrum

• Waves; Visible Lights, Wave Length Bands, Atmospheric Transmission

5. Infrared Camera Introduction

• Thermography Defined; How Images Work; Equipment Overview & Features; Operation of Equipment
• Select The Best Perspective; Image Area and Lens Selection; Use of Filters; Optimizing the Image
• Infrared Image and Documentation; Clarity (Spatial Focus); Thermal Focus; Dynamic Range

6. Radiation Energy Exchange

• Exchange Modes, Incident Radiation, Exitant Radiation

7. Thermal Image Interpretation

• Camera Principal; Visual vs Infrared
• Thermal Image; Apparent Temperature and Emissivity
• Recognizing and Dealing with Reflections; Recognizing and Dealing with Convection
• Support Data Collection; Environmental Data Collection emittance; Surface Modification
• Surface Reference Temperature; Support Equipment for Infrared Inspections

8. Thermal Image Analysis Techniques

• Thermal Gradient
• Camera Tools for Pattern Enhancement; Isotherm, Palettes
• Compensation for Distance and Small Object Size; Field Quantification
• Image Analysis

9. Qualitative and Quantitative

• Qualitative
• Quantitative
• Fault Classification Criteria

10. Infrared Application Overview

• Electrical Inspections; Mechanical Inspections; Furnace Inspections
• Detecting Thermal Anomalies in Thermal Resistance, Insulation and Refractory, Thermal Capacitance, Roof Moisture Surveys, Physical State, Gas/Liquid, Liquid/Solid Vessel Levels, Fluid Flow, Tube Blockages, Friction, Bearings, Gears, Belts, Exothermic/Endothermic Condition, Electrical Resistance, Insulation Voids

11. Infrared Measurement Techniques

• Temperature Measurements
• Performing Accurate Temperature/Emissivity Measurements
• Compensation for Distance and Small Object Size; Field Quantification
• Checking Equipment Calibration

12. Report Generation

• IR Software - Generic Overview
• Elements of a Good Report; Page Layouts
• Database Program; Printing

13. Field Assignment