Research Article

Analysis of Void Fraction Distribution and Departure from Nucleate Boiling in Single Subchannel and Bundle Geometries Using Subchannel, System, and Computational Fluid Dynamics Codes

Table 5

Bundle average spacer pressure loss coefficients [2].

Spacer typeLoss Coefficient

Simple spacer (SS)0.4
Nonmixing vanes spacer (NMV)0.7
Mixing vanes spacer (MV)1.0