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22. Nov. 2017 · Tracer LIF has also been used to investigate liquid fuel films in internal combustion engines . Beside the fuel film on the piston crown [1, 2, 16], the fuel wall wetting on the cylinder liner was visualized with LIF [17, 18]. In addition to the imaging of liquid fuel films, the imaging of oil in optical engines with LIF is also well-known. For ...
Y-P. Wang (&), G. B. Wilkinson, J. A. Drallmeier Department of Mechanical and Aerospace Engineering and Engineering Mechanics, University of Missouri-Rolla, Rolla, MO 65409-0050, USA. E-mail: Yupingw@umr.edu. presence of liquid films in the intake port and on the back of the valve surface. These films are seen to atomize through interaction ...
15. Juli 2022 · The percentage of first injected fuel has little impact on the amount of the remaining fuel film and emissions in the studied range. Increasing engine speed can inhibit the formations of fuel film, HC, CO, and soot emissions, which is due to the improved fuel evaporation, better flow motion, and thermal environment in the cylinder. Double ...
11. Okt. 2001 · 1. Introduction. The fuel/air mixing processes in spark ignition (SI) engines are important to maximise efficiency and reduce emissions. During preparation for combustion, the fuel flow exists in several streams, these being vapour, liquid droplets and liquid wall film. As the fuel moves towards the cylinders, a continuous exchange of mass ...
24. Okt. 2023 · ISSN: 0148-7191. e-ISSN: 2688-3627. Liquid fuel attached to the wall surface of the intake port, the piston and the combustion chamber is one of the main causes of the unburned hydrocarbon emissions from a port fueled SI engine, especially during transient operations. To investigate the liquid fuel film formation process and fuel film.
About the journal. The Science and Technology of Fuel and Energy. Research into energy sources remains a key issue. Over the last 90 years, Fuel has been the leading source of primary research work in fuel science. The scope is broad and includes many topics of increasing interest such as environmental aspects and …. View full aims & scope ...
CMC Klebetechnik offers as standard for EME/MEA assembly in PEM cells a PEN - film with a heat-activated adhesive ( CMC 61325). The film and adhesive are hydrolytically stable and can therefore be used permanently in fuel cells. The adhesive used allows a very narrow lamination surface of the retaining film on the actual functional membrane.
