SubjectsSubjects(version: 861)
Course, academic year 2019/2020
  
Thermography and thermodiagnostics - N444030
Title: Termografie a termodiagnostika
Guaranteed by: Department of Physics and Measurement (444)
Actual: from 2013
Semester: winter
Points: winter s.:4
E-Credits: winter s.:4
Examination process: winter s.:
Hours per week, examination: winter s.:1/3 C+Ex [hours/week]
Capacity: unlimited / unlimited (unknown)
Min. number of students: unlimited
Language: Czech
Teaching methods: full-time
Level:  
For type:  
Additional information: http://ufmt.vscht.cz/cs/elektronicke-pomucky.html
Guarantor: Kadlec Karel doc. Ing. CSc.
Fitl Přemysl Ing. Ph.D.
This subject contains the following additional online materials
Annotation -
Last update: TAJ444 (16.12.2013)
Students learn the theoretical foundations of non-contact temperature measurement with instrumentation used in infrared thermography. Details are familiar with the possibilities of using IR thermal camera in IR thermography and thermal diagnostics. Applications will be focused mainly on the chemical and food technology.
Aim of the course -
Last update: Kadlec Karel doc. Ing. CSc. (01.07.2013)

Students will be able to:

  • work with a thermal imager, take thermograms,
  • assess the suitability of using IR thermometry for measuring the temperature distribution on the surface of the object
  • evaluate thermograms,
  • prepare a report on thermographic measurement and thermal diagnostics.
Descriptors -
Last update: Kadlec Karel doc. Ing. CSc. (29.07.2013)

Noncontact temperature measurement

Emissivity

Heat radiation detectors

Thermography

Thermo-diagnostics

Literature -
Last update: TAJ444 (01.10.2013)

R: Minkina W., Dudzik S.: Infrared Thermography. Wiley 2009, ISBN 9780470747186

A: The Ultimate Infrared Handbook. Published by FLIR Systems. http://www.flir.com/uploadedFiles/Thermography/MMC/Brochures/T559243/T559243_EN.pdf

Learning resources -
Last update: Kadlec Karel doc. Ing. CSc. (29.07.2013)

Study materials for lectures:

http://ufmt.vscht.cz/cs/elektronicke-pomucky.html

Study materials for laboratory exercises:

http://ufmt.vscht.cz/cs/elektronicke-pomucky.html

e-books:

FLIR - The Ultimate Infrared Handbook. http://www.flir.com/uploadedFiles/Thermography/MMC/Brochures/T559243/T559243_EN.pdf

Basics of non contact temperature measurement. http://www.micro-epsilon.cz/download/products/dat--infrared-basics--en.pdf (november 2012)

FLIR - IR Automation Guidebook. http://www.flir.com/uploadedFiles/Thermography/MMC/Brochures/T559213/T559213_EN.pdf

Teaching methods -
Last update: Kadlec Karel doc. Ing. CSc. (29.07.2013)

Lectures:

Study texts for the lectures are available on the Internet.

Laboratory exercises:

Textbooks and manuals for laboratory work are available on the Internet.

Before beginning work, students are tested in writing from knowledge of the issue.

Individual project:

Students will prepare individual project with the theme of technological measurements. The project assignment is based on the specialization the student. Presentation and defense of the project will take place during the exam test.

Requirements to the exam -
Last update: Kadlec Karel doc. Ing. CSc. (29.07.2013)

Before beginning any laboratory work, students are tested in writing.

The protocol for the laboratory work writing and casting process in electronic form within a week after completion of the work.

Successful completion of all laboratory work is a prerequisite for obtaining credit.

The exam is oral or written. A separate part of the test is to present and defend the project of technological measurements according to individual specifications. The questions in the exam include issues by syllabus and for study are sufficient background materials for lectures.

Syllabus -
Last update: Kadlec Karel doc. Ing. CSc. (30.07.2013)

Syllabus of lectures:

1. Fundamentals of Infrared Imaging. Blackbody radiation. Planck's radiation law; Wien's displacement law; Stefan Boltzmann law; Kirchhoff’s law.

2. Emissivity and temperature measurement. - Dependence of emissivity on the wavelength and temperature. Determination of emissivity. Emissivity and transmissivity of various materials.

3. Thermal and quantum IR-detectors. Spectral sensitivity of detectors.

4. Thermometers for non-contact temperature measurement. Construction and operation of IR thermometers (broadband, narrowband, ratio). Pyrometers with fiber optics.

5. Principles of measuring IR thermometer. - Optics, sighting techniques and Electronics of IR thermometers..

6. IR thermography. Principles of thermography systems. IR Detectors for thermo-graphic imaging.

7. Thermal imagers. - Construction and operation of thermal imagers. Parameters: NETD, FOV, IFOV.

8. Quantitative Measurements with IR Cameras. Influences measurement (reflected radiation, emissions from the atmosphere, atmospheric transmittance).

9. IR image and their evaluation. - Visualization of IR image, evaluation of temperature, software for evaluation of thermo graphic image.

10. Calibration of IR thermometers and thermal imagers. Black bodies for calibrating non-contact thermometers

11. Uncertainties and errors in non-contact temperature measurement. - Uncertainties in determining emissivity, errors in non-contact temperature measurement.

12. Applications of non-contact thermometers. Temperature and IR spectral range of non-contact thermometers. Selection of the appropriate device. Examples of using IR thermometers. Comparison of measuring with IR thermometer and thermal imager. Advantages and disadvantages of non-contact temperature measurement.

13. Thermo-diagnostics. Examples of measurements in industry, energy, construction, medicine etc.

14. Thermo-diagnostics in chemistry and food industry. - Thermo-diagnostics thermal equipment, levels in tanks in the chemical industry, for gas leak detection. Thermo-diagnostics in laboratory research Thermo-diagnostics chemical sensors.

Laboratory exercises:

1. Non-contact temperature measurement. - Basic introduction to non-contact temperature measurement. Measurement with IR thermometer and thermal imager. (For students who have not completed this task in the laboratory measurement and control technology).

2. Non-contact temperature measurement with spectrophotometer. - Demonstration of Planck and Wien's law using spectrometric measurements in the wavelength region from 200 to 1 100 nm.

3. Determination of emissivity of the object. - Determination of emissivity of objects by different methods and comparison of results.

4. Measurement with IR thermometer and thermal imager I. - Temperature Measurement on flat surface with varying emissivity. Technical parameters, performance characteristics and operation of various types of IR thermometers. The use of software-IR thermometers.

5. Software for evaluation of thermal images. - Software FLIR QuickReport and FLIR Reporter.

6. Measurement with IR thermometer and thermal imager II. - Temperature measurements on cylindrical surfaces with varying emissivity, determine the effect of directional emissivity.

7. Calibration of IR thermometers and thermal imagers using calibration black bodies.

8. Measurement of transmittance materials. - Measuring the impact of transmittance given materials for thermal imagers and infrared thermometers with different spectral ranges.

9. Measurement of IR thermometer and thermal imager III. - Temperature measurements in a model gas furnace, measurement of flame temperature.

10. Thermography - measuring with thermal imager. - Measurement of the temperature distribution on the surface of the specified object. Scanning thermal field specified objects, with respect the emissivity of objects, the ambient radiation and atmospheric transmittance. Evaluation of thermal images.

11. Thermography of small objects. - Measurement of surface temperature of electronic components and sensors with infrared thermometer and thermal imaging camera with a special lens.

12. Non-contact temperature measurement in a dynamic process. - Temperature measurement with IR thermometer and thermal imager, depending on the time. Recording and evaluation during a dynamic process. Thermographic video.

13. Thermo-diagnostics. - Use of thermal imagers for thermo-diagnostics specified object.

14. Individual project with the theme of thermography or thermo-diagnostics. - Specify the project will be based on study orientation of each student. Presentation and defense of the project will take place during the oral examination.

Entry requirements -
Last update: Kadlec Karel doc. Ing. CSc. (29.07.2013)

Mathematics, Physics, (Chemical Engineering, Physical Chemistry).

It is appropriate that the student completed course N444004 Measurement and Control.

Registration requirements -
Last update: Kadlec Karel doc. Ing. CSc. (29.07.2013)

Mathematics I,

Physics I

Course completion requirements -
Last update: Kadlec Karel doc. Ing. CSc. (29.07.2013)
  • Obtaining credit from the labs.
  • Successful presentation of an individual project.
  • Successful completion of the exam.

Teaching methods
Activity Credits Hours
Konzultace s vyučujícími 0,1 4
Účast v laboratořích (na exkurzi nebo praxi) 1,5 42
Obhajoba individuálního projektu 0,1 2
Účast na přednáškách 0,5 14
Příprava na přednášky, semináře, laboratoře, exkurzi nebo praxi 0,5 14
Práce na individuálním projektu 0,4 10
Příprava na zkoušku a její absolvování 0,9 25
4 / 4 111 / 112
Coursework assessment
Form Significance
Regular attendance 10
Report from individual projects 10
Report from individual projects 10
Oral examination 70

 
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