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Wyszukujesz frazę "Tremblay, P." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Gas leaks detection using passive thermal infrared hyperspectral imaging
Autorzy:
Lagueux, P.
Tremblay, P.
Morton, V.
Chamberland, M.
Farley, V.
Kastek, M.
Firmanty, K.
Powiązania:
https://bibliotekanauki.pl/articles/114458.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
methane
imaging
infrared
hyperspectral
shale gas
Opis:
There are many types of natural gas fields including shale formations which are common especially in the St-Lawrence Valley (Canada). Since methane (CH4), the major component of shale gas, is odorless, colorless and highly flammable, in addition of being a greenhouse gas, methane emanations and/or leaks are important to consider for both safety and environmental reasons. On this regard, passive remote sensing represents an interesting approach since it allows characterization of large areas from a safe location. In order to illustrate the potential of passive thermal infrared hyperspectral imaging for research on natural gas, imaging was carried out on a shale gas leak that unexpectedly happened during a geological survey near Hospital Enfant-Jesus (Québec City, Canada) in December 2016. Quantitative methane imaging was carried out based on its unique infrared spectral signature. The results show how this novel technique could be used for advanced research on shale gases.
Źródło:
Measurement Automation Monitoring; 2017, 63, 2; 65-68
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High-speed infrared imaging for analysis of a diesel engine supplied with a premixed methane-air charge
Autorzy:
Lagueux, P.
Tremblay, P.
Savary, S.
Farley, V.
Mancaruso, E.
Sequino, L.
Kastek, M.
Firmanty, K.
Powiązania:
https://bibliotekanauki.pl/articles/114325.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
High-Speed Infrared Imaging
Opis:
Efforts are continuously made for improving internal combustion engines (ICEs) efficiency. Lowering fuel consumption and reducing soot formation are among the challenges being addressed when seeking to improve engine designs. In this work, ICEs characterization was carried out on an elongated single-cylinder transparent diesel engine equipped with the multi-cylinder head of a commercial passenger’s car and a common rail injection system. The engine uses a conventionally extended piston where part of the piston’s crown is replaced by a sapphire window. In this configuration, a full view of the combustion bowl can be achieved while the engine is in operation by looking at a 45° fixed mirror located in the extended piston axis. Infrared imaging was carried out at 26 kHz, leading to a temporal resolution of about 0.35° crankshaft angle, at 1500 RPM, in the engine’s reference frame. The different phases of a combustion cycle, i.e. intake, compression, fuel injection, working stroke and exhaust, were investigated using four different spectral filters (broadband, CO2 red-spike, through-flame and hydrocarbons). In the experiment, air was replaced by a premixed air-methane charge in order to improve combustion and lower the amount of soot deposits. The results illustrate the potential of high-speed IR imaging as a diagnostic tool for ICEs.
Źródło:
Measurement Automation Monitoring; 2017, 63, 2; 60-64
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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