Various global environmental issues are related to the use of internal combustion engines, including air pollution and energy concerns. With homogeneous charge compression ignition (HCCI) engine, it is possible to operate with ultra lean premixed mixtures and to lead low NOx and soot-particle emissions. The temperature of the unburned mixture in a HCCI engine, fueled with dimethyl ether, was measured using fiber-optic heterodyne interferometry along a line of sight. The measurement accuracy of the developed system was sufficient to determine the temperature history of unburned mixture in HCCI operation. The uncertainty of this method was within ± 15K. The resolution of temperature measurements was ∼ 0.5 K, and depended on the sampling clock speed of the A/D converter and the length of the test section. Original is an abstract.
|Number of pages||1|
|Publication status||Published - Dec 1 2002|
|Event||29th International Symposium on Combustion - Sapporo, Japan|
Duration: Jul 21 2002 → Jul 26 2002
|Other||29th International Symposium on Combustion|
|Period||7/21/02 → 7/26/02|
ASJC Scopus subject areas