Thermoluminescence spectroscopic analysis of fuel mixed cooking oil using hyperspectral analysis
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RESEARCH ARTICLE
Thermoluminescence spectroscopic analysis of fuel mixed cooking oil using hyperspectral analysis Ahmed Mahfouz1 • Ahmed Emara2 • H. S. Ayoub3 • Ashraf F. El-Sherif4 Ahmed El Fatih1 • Y. H. Elbashar5,6
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Received: 15 November 2019 / Accepted: 13 July 2020 The Optical Society of India 2020
Abstract The analysis of combustion for any liquid mixed fuel using oil burner inside and outside industrial boiler became complicated. Also, studying emissions of thermoluminescence inside flame using physical probes is dangerous and not accurate. In the present research, the used fuels mixed conventional/light diesel oil (LDO) (20% WCO ? 80% LDO by mass) called B1 and (20% WCO ? 80% HDO by mass) called B2; where HDO and WCO are abbreviation of heavy diesel oil and waste cooking oil fuel, respectively. The aim of this research is to make comparative study between combustion characteristics using hyperspectral camera compared with conventional method like thermocouple and gas analyzer at exhaust using LDO, 20% WCO ? 80% LDO (B1) and 20% WCO ? 80% HDO (B2) using twin siphon nozzle in industrial burner at water-cooled jacket boiler. The analysis showed that good great agreement in measuring CO emissions (ppm/kW) and C2 (a.u.) radicals outside and inside the flame. On the other, the CH radicals and CxHy & Y. H. Elbashar [email protected] 1
Mechanical Power Engineering Department, National Research Centre, Giza, Egypt
2
Mechanical Power Engineering Department, Faculty of Engineering Mattaria, Helwan University, Helwan, Egypt
3
Physics Department, Faculty of Science, Cairo University, Cairo, Egypt
4
Engineering Physics Department, Laser Photonics Research Center, Military Technical College, Cairo, Egypt
5
Department of Basic Science, ELGazeera High Institute for Engineering and Technology, Cairo, Egypt
6
Egypt Nanotechnology Center (EGNC), Cairo University, Giza, Egypt
are supplementary to each other. In other words, CH radicals indicate reaction between hydrocarbons inside reaction zone of flame but CxHy is indication for chemical composition of fuel and indicator to quality of atomization. By applying Wien’s law, inflame thermal contours are drawn. The results showed that the highest thermal inflame temperature is 1800 C could be achieved at combustion of LDO and B2 at U = 1.1 and 0.96, respectively. Keywords Hyperspectral analysis Spectroscopic analysis Thermoluminescence
Introduction Using crude vegetable oils or their blends diesel fuel in oil burners attracted various concerns, because the energy properties of these vegetable oils are very like to the diesel one [1–3]. The most comprehensive strategy included: the economic aspect, energy efficiency and the environmental impact [4, 5]. Waste cooking oil was considered as an alternative fuel and additive which will provide the industry and transportation with low price, low environmental impact and may solve the problems of getting rid of it [6, 7]. A spectroscopic radiation is one of the most important measuring techniques in combustion r
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