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Demonstration of Two-Dimensional Temperature Characterization of Valves and Transparent Piston in a GDI Optical Engine
Technical Paper
2004-01-0609
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Thermographic phosphors thermometry was used to measure engine valves and transparent piston temperatures in two dimensions as well point wise of a running, optically accessible, gasoline direct injection engine. The engine, fueled with isooctane, was operated in continuous and skip-fire mode at 1200 and 2000 rpm. A calibration of the phosphorescence lifetime and spectral properties against temperature allowed temperature measurements between 25 and 600°C. Results from the measurements show the potential of the technique for two-dimensional mapping of engine walls, valves and piston temperatures inside the cylinder.
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Authors
- Alaa Omrane - Combustion Physics, Lund Institute of Technology
- Greger Juhlin - Combustion Physics, Lund Institute of Technology
- Marcus Aldén - Combustion Physics, Lund Institute of Technology
- Göran Josefsson - Volvo Car Corporation
- Johan Engström - Volvo Technology Corporation
- Timothy Benham - Volvo Technology Corporation
Citation
Omrane, A., Juhlin, G., Aldén, M., Josefsson, G. et al., "Demonstration of Two-Dimensional Temperature Characterization of Valves and Transparent Piston in a GDI Optical Engine," SAE Technical Paper 2004-01-0609, 2004, https://doi.org/10.4271/2004-01-0609.Also In
Compression Ignition and Spark Ignition Power Cylinder Systems
Number: SP-1820; Published: 2004-03-08
Number: SP-1820; Published: 2004-03-08
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