Infrared Thermography Level 2 Course Curriculum

The Level 2 course is designed to increase the knowledge of the Level 1 thermographer to the end that challenges suck as active infrared applications may be met. The course looks at infrared radiation from a quantitative view to help determine the monetary value of remedial action taken as a result of the thermographic findings. It meets or exceeds the recommended training requirements of ASNT-TC-1A for Level II Thermal/Infrared Certification. The course is a good mixture of audio, visual and kinetic presentation material to help enable all types of learners to benefit from the material presented.

Introduction

• General overview of the use of Infrared Thermography
• Course logistics and curriculum outline
• Trainer and student introductions
• Understanding Certification and Requirements

Intermediate Thermal/Infrared Physics

Matter, Energy, Heat and Temperature

• Basic atomic structure
  • States of matter
  • Bonding of molecules
• Forms of energy
  • Definitions and basic explanation
  • The Kinetic Molecular Theory

Three Modes of Heat Transfer

• Conduction
  • Fourier's law: concepts & calculations
  • Thermal resistance
  • Transient conduction: concepts & calculations
• Convection
  • Newton's Law of Cooling
  • Concepts & calculations
  • Real world applications
• Radiation
  • Stephan-Boltzman formula
  • Concepts & calculations
  • Real world applications
  • Dollars and cents calculations of remedial action

The Infrared Spectrum

• Planks Law/Curves
• Spectral Emittance of Real Surfaces
• Semitransparent Windows and Filters

Radiosity Principles

• Blackbodies - theory/concepts
• Emissivity concept sections
  • Specular and Diffuse Emitters
  • Lambertian Emitter - Angular Sensitivity - Effects of emittance errors
  • Emissitivity Calculations
• Reflections Concepts
  • Quantifying effects of reflection
  • Theoretical Corrections
• Transmittance Concepts
  • Quantifying partial transmittance
  • Theoretical corrections

Resolution Test & Calculations

• FOV, IFOV and MIFOV
  • Measurements & Calculations
• NETD, MRTD, MDTD
• SRF (Square Response Function Test)
• Resolution vs. Lens and Distance

Level II Thermal/Infrared Operations

Infrared Measurement Quantification

• Simple measurements
• Performance of Emissivity testing
• Temperature profiles
• Producing and recording accurate images

Special Equipment for "Active" Technique

• Hot or cold fluid energy sources
• Heat lamp/flash lamp/laser energy sources
• Reports and documentation

Level II Thermal/Infrared Applications

• Temperature Measurement Applications
• Energy Loss Applications
• Mass-transfer heat exchange concepts
  • (Air or other flows into or out of a system)
• Active Applications Filtered Applications
• Imaging a rapidly moving process

Level II Examination

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