Search for dissertations about: "Thermographic"

Showing result 1 - 5 of 11 swedish dissertations containing the word Thermographic.

  2. 1. Thermometry Using Laser-Induced Emission from Thermographic Phosphors: Development and Applications in Combustion

    Author : Alaa Omrane; Förbränningsfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; framdrivningssystem; Motorer; Motors and propulsion systems; Laser technology; Laserteknik; Teknik; Technological sciences; Physics; Pyrolysis; Flame spread; Droplet; Engine; Imaging; Temperature; Thermographic phosphors; Combustion; Fysik; Laser diagnostics;

    Abstract : Temperature is a fundamental thermodynamic parameter used to describe physical, chemical and biological processes. Much effort is made to measure temperature accurately in a wide variety of applications, making temperature one of the most extensively measured parameters. READ MORE

  4. 2. Laser-Induced Emission Techniques for Concentration and Temperature Probing in Combustion

    Author : Gustaf Särner; Förbränningsfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; thermographic phosphor; phosphor; phosphorescence; Laser Combustion Diagnostics; Laser-Spectroscopy; LIF; spectroscopy; Thermometry; LIP; Laser-Induced Fluorescence;

    Abstract : The work in this thesis is aimed at the development of temperature and gas concentration measurement techniques in laser diagnostics for use in combustion research. The techniques are developed as tools for the combustion community to meet future demands on combustion efficiency and legislation of exhaust gases. READ MORE

  5. 3. Phosphor Thermometry on Surfaces - A Study of its Methodology and its Practical Applications

    Author : Christoph Knappe; Förbränningsfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Coating Thickness; Temperature Calibration; Two-Colour Ratio; Lifetime Decay; Thermometry; Thermographic Phosphor; Laser Combustion Diagnostics; Laser-Induced Phosphorescence; Non-Linearity; ICCD; PMT; Signal Processing Algorithms; Fysicumarkivet A:2013:Knappe;

    Abstract : Phosphor Thermometry is a term describing an optical measurement technique for remote temperature sensing. Its working principle is based on the temperature-sensitive emission characteristics of certain ceramic substances termed thermographic phosphors. READ MORE

  6. 4. Laser-Induced Phosphor Thermometry - Feasibility and Precision in Combustion Applications

    Author : Johannes Lindén; Förbränningsfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Laser-Induced Phosphorescence; Laser Combustion Diagnostics; Non-linearity; Image Intensifier; Two-color Ratio; Lifetime Decay; Precision; Thermographic Phosphors; Temperature measurements; Fysicumarkivet A:2012:Lindén;

    Abstract : Temperature is one of the most fundamental parameters to be measured in many research disciplines. In combustion science, a thorough knowledge of temperature is essential for improving and optimizing combustion processes. READ MORE

  7. 5. Laser Spectroscopic Techniques for Combustion Diagnostics Directed Towards Industrial Applications

    Author : Hans Seyfried; Förbränningsfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Teknik; Technological sciences; Fysik; Physics; Combustion; Gas turbine; HCCI; Engine; High-Speed; Thermographic phosphors; PLIF; LIF; Laser Diagnostics; Laser-Induced Fluorescence; Laser technology; Laserteknik; Motors and propulsion systems; Motorer; framdrivningssystem;

    Abstract : In the work presented in the thesis, different laser spectroscopic techniques were utilized for measurement of species concentrations, as well as for surface thermometry. Experiments were conducted in various combustion environments, ranging from laboratory burners to truck-sized internal combustion (IC) engines, gas turbine combustors and a full-size aircraft turbofan engine. READ MORE