Heat transferred from the base plate 130 into the liquid slugs 205 in the plurality of heat transfer pipe segments 155 is absorbed as latent heat at liquid-vapor interfaces in the one zone 220, e.g., the evaporation zone. Due to evaporation, pressure rises in the plurality of heat transfer pipe segments 155. The rise in pressure pushes the liquid slugs 205 and vapor bubbles 210 to a lower-pressure area in the plurality of heat transfer pipe segments 155, which is in the other zone 230, e.g., the condensation zone. In the other zone 230, vapor condenses back to liquid. The condensing action releases latent heat to an environment 235, for example with an air flow 240 that is exterior to the plurality of heat transfer pipe segments 155. This interaction results in the liquid slugs 205 and vapor bubbles 210 oscillating and circulating inside the plurality of heat transfer pipe segments 155, which enhances heat transfer during evaporation and condensation cycles. With this configuration, the plurality of heat transfer pipe segments form oscillating heat pipes (OHP).