Flammability of heat transfer fluid aerosols produced by electrospray measured by laser diffraction analysis |
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| Authors: | Peng Lian Andres F Mejia Zhengdong Cheng M Sam Mannan |
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| Institution: | 1. Mary Kay O''Connor Process Safety Center, Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843-3122, USA;2. Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843-3122, USA;1. Dept. of Mechanical and Construction Engineering, University of Northumbria, City Campus, Wynne-Jones Centre, Room 305, Newcastle upon Tyne NE1 8ST, UK;2. Dept. of Mechanical Engineering, Okayama University, Tsushima-Naka 3, Okayama 700-8530, Japan;1. Departmento de Física, Centro de Investigación y de Estudios Avanzados del IPN, P.O Box 14-740, México 07000, D.F., Mexico;2. Departamento de Física y Matemáticas, Instituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad Juárez, Chihuahua, Mexico;1. Institut de Combustion, Aérothermique, Réactivité et Environnement (ICARE), CNRS-INSIS 1C, Avenue de la Recherche Scientifique, F-45071 Orléans Cedex 02, France;2. Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSN-RES/SAG/B2EGR, 92269 Fontenay-aux-Roses, France |
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| Abstract: | Accidental release of pressurized high flash point heat transfer fluids can result in fire and explosion hazard scenarios in the process industry. An experimental investigation on ignition of aerosols of a heat transfer fluid is carried out, and characterization of aerosol and its ignition process by non-intrusive laser diffraction technique is reported. Propagation speed of the aerosol combustion flame front as analyzed from the laser diffraction measurement agrees with high-speed visual camera observation. Flammability of the aerosol, which is based on the chances of the global flame appearance in the aerosol, is mainly controlled by aerosol droplet size and the droplet volume concentration. |
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