the Nu levels adjacent to the obtuse edge on each inlet-leg endwall
are considerably elevated due to the emergence of the mid-rib high
Nu bump extended from the obtuse edge along the inlet leg as seen
in Fig. 3. Due to the localized flow acceleration and the separated
flows tripped at the leading edge of each 45_ rib, the major S-wise
Nu peak develops along the rib-top as typified by Fig. 4(d). Along