Experimental study of cross flow and lateral pressure drop in a 5× 5 rod bundle with mixing vane spacer grid
W Qu, Z Wang, J Xiong, X Cheng - Nuclear Engineering and Design, 2019 - Elsevier
Cross flow and lateral pressure drop downstream a split-type mixing vane spacer grid in a
5× 5 rod bundle were experimentally measured by particle image velocimetry (PIV) and
differential pressure transmitter at the sub-channel Reynolds number (Re) of 13200. The
geometrical parameters of the 5× 5 rod bundle is as the same diameter (D= 9.5 mm) and
pitch (P= 12.6 mm) as the real fuel rods of a typical pressurized water reactor (PWR), with
sub-channel hydraulic diameter (D h) 11.78 mm. With the aid of matched index of refraction …
5× 5 rod bundle were experimentally measured by particle image velocimetry (PIV) and
differential pressure transmitter at the sub-channel Reynolds number (Re) of 13200. The
geometrical parameters of the 5× 5 rod bundle is as the same diameter (D= 9.5 mm) and
pitch (P= 12.6 mm) as the real fuel rods of a typical pressurized water reactor (PWR), with
sub-channel hydraulic diameter (D h) 11.78 mm. With the aid of matched index of refraction …
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