Page 434 - IJB-9-6

International Journal of Bioprinting Versatile pomelo peel-inspired structures

Figure 10. (A–D) The schematic of BPPS-45% heat dissipation in the X and Y directions. (E) Maximal temperature of the entire heat sink in steady state in
different directions. (F) Average temperature of heat plate in steady state in different directions.

behavior inside BPPSs in the X direction was consistent Figure 14 presents the comparisons of various heat
with that in the Y direction (Figure 13B–E). Finally, it dissipation performance indices between four VFs BPPSs
could be observed that the specific surface area of BPPSs and Fins at Re = 2700 with airflow in the X direction.
increased with the decrease of VFs (Figure 14B). BPPS- The maximum temperature reached by the entire heat
30% exhibited a notably higher specific surface area dissipation structure in a steady state was denoted as
compared to other BPPSs, which could enhance the heat T max , which served as a direct indicator of heat dissipation
transfer performance. Therefore, BPPSs with lower VFs performance. The T max of BPPSs with VFs of 45%, 40%,
had better heat dissipation performance. 35%, and 30% were 6.1 K, 10.4 K, 8 K, and 8.6 K lower

Volume 9 Issue 6 (2023) 426 https://doi.org/10.36922/ijb.1011