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Increasingly strict emissions regulations and heightened environmental awareness on the part of users around the world have led to energetic research into emissions reduction by various automobile manufacturers and research institutes. In this paper we tested sol–gel TiO2 sensor in order to evaluate the reliability and combustion sensor properties in controlled environment and on spark ignition engine. Experiments were carried out for understanding influence of single gas component of flue gas on the response of TiO2 sensor and evaluate transducer behaviour on real spark ignition engine. Higher responses were obtained for oxygen and nitrogen oxide, rather than CO2 and CH4. So TiO2 sensor was more sensitive towards the first components of mixture, and good response times were observed on engine bench.
Publication date: 
29 Jun 2005

Luca Francioso, DS Presicce, M Epifani, P Siciliano, A Ficarella

Biblio References: 
Volume: 107 Issue: 2 Pages: 563-571
Sensors and Actuators B: Chemical