Large eddy simulations of jet flow interaction within staggered rod bundles Conference Paper

abstract

• This work is a numerical investigation of experimental work on dual isothermal jet injection into a staggered rod bundle, mimicking phenomena present in the lower plenum of the very high temperature gas cooled reactor. Large eddy simulations were used to model the unsteady flow of the experimental conditions. As a basis, steady state simulations as well as time averaged comparisons were made with the standard and realizable k- formulations. Grid sensitivity studies were performed over six grids with the most refined grid comprised of roughly 26.5 million semi-structured polyhedral cells. The continuous wavelet transform was used for instantaneous signal decomposition of results taken within the domain in an effort to devise a better approach to validating CFD predictions of the complex flows in the lower plenum of the VHTR. 2011 Elsevier B.V.

authors

• Hassan, Yassin

published proceedings

• NUCLEAR ENGINEERING AND DESIGN

author list (cited authors)

• Salpeter, N., & Hassan, Y.

citation count

• 2

complete list of authors

• Salpeter, Nathaniel||Hassan, Yassin

publication date

• October 2012

publisher

• Elsevier  Publisher

published in

• Nuclear Engineering and Design: an international journal devoted to the thermal, mechanical, materials, and structural aspects of nuclear fission energy  Journal

keywords

• Jet Flow
• Les
• Lower Plenum
• Wavelet

Digital Object Identifier (DOI)

• 10.1016/j.nucengdes.2011.10.066

URI

• https://hdl.handle.net/1969.1/ETD-TAMU-2010-05-7796

start page

• 92

end page

• 101

volume

• 251

URL

• http://dx.doi.org/10.1016/j.nucengdes.2011.10.066