The synthesis and hydrolysis of zinc nanoparticles are carried out in a tubular reactor. A key component of the reactor is a coaxial jet quench device. Three coaxial and multi-inlet confined jets mix , steam, and argon to produce and hydrolyze zinc nanoparticles. The performance of the quench device is assessed with computational fluid dynamics modeling and measurements of hydrogen conversion and particle size and composition. Numerical data elucidate the impact of varying jet flow rates on temperature and velocity distributions within the reactor. Experiments produce hydrogen conversions of 61–79%. Particle deposition on sections of the reactor surface above 650 K favors hydrolysis. Residence time for in-flight particles is less than 1 s and these particles are partially hydrolyzed.
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August 2009
Research Papers
Study of a Quench Device for the Synthesis and Hydrolysis of Zn Nanoparticles: Modeling and Experiments
Tareq Abu Hamed,
Tareq Abu Hamed
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
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Luke Venstrom,
Luke Venstrom
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
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Aiman Alshare,
Aiman Alshare
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
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Marc Brülhart,
Marc Brülhart
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
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Jane H. Davidson
Jane H. Davidson
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
Search for other works by this author on:
Tareq Abu Hamed
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
Luke Venstrom
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
Aiman Alshare
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
Marc Brülhart
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455
Jane H. Davidson
Department of Mechanical Engineering,
University of Minnesota
, Minneapolis, MN 55455J. Sol. Energy Eng. Aug 2009, 131(3): 031018 (9 pages)
Published Online: July 15, 2009
Article history
Received:
January 7, 2009
Revised:
April 6, 2009
Published:
July 15, 2009
Citation
Abu Hamed, T., Venstrom, L., Alshare, A., Brülhart, M., and Davidson, J. H. (July 15, 2009). "Study of a Quench Device for the Synthesis and Hydrolysis of Zn Nanoparticles: Modeling and Experiments." ASME. J. Sol. Energy Eng. August 2009; 131(3): 031018. https://doi.org/10.1115/1.3142825
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