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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/29506

Title: Aromatic Hydrocarbon Sampling and Extraction From Flames Using Temperature-swing Adsorption/Desorption Processes
Authors: Chan, Hei Ka Tim
Advisor: Thomson, Murray J.
Department: Mechanical and Industrial Engineering
Keywords: Polycyclic aromatic hydrocarbons
Diffusion flames
Adsorption sampling
Measurement technique
Issue Date: 23-Aug-2011
Abstract: The measurement of Polycyclic Aromatic Hydrocarbons (PAHs) in flames is essential for the understanding of soot formation. In comparison to conventional aromatics-sampling techniques, a new technique was proposed that involves fewer manual operations and no hazardous extraction solvents. Apparatus and experimental procedures of the newly proposed adsorptive-sampling and desorptive-extraction technique for aromatic-hydrocarbon measurements were established in this study. The capabilities and limitations of this new technique were assessed in terms of limits of detection, sampling locations and data repeatability. The accuracy of this technique was also evaluated. Aromatic-hydrocarbon species concentrations were measured in laminar co-flow diffusion flames of ethylene (C2H4) and synthetic paraffinic kerosene (SPK). The results obtained from the ethylene flame were compared to its numerical simulation, with the goal of achieving agreement within an order of magnitude. The differences between simulated values and experimental measurements, along with the limitations of the technique, were used as an indication of the accuracy of the technique.
URI: http://hdl.handle.net/1807/29506
Appears in Collections:Master

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