BACKSIDE FEATURES WITH INTERMITTED PIN FINS

According to one embodiment, a heat shield panel (400) for a combustor (300) of a gas turbine engine is provided. The heat shield comprising: a panel body (402) having a first surface (410) configured to be oriented toward a combustion zone (360) of a combustor, and a second surface (420) opposite the first surface, the second surface being configured to be oriented toward a combustor liner (330) of the combustor; a plurality of first pin fins (430) projecting from the second surface of the panel body, wherein each of the plurality of first pin fins has a rounded top (432) opposite the second surface; and one or more second pin fins (460) projecting from the second surface of the panel body, wherein each of the one or more second pin fins has a flat top (462) opposite the second surface.