Fig. 1. The 3D model of optical module

Fig. 2. Main chip locations and power consumption on the the PCB

Fig. 3. Numerical wind tunnel model

Fig. 4. Overall temperature field distribution of optical module

Fig. 5. Actual test plan

Fig. 6. Schematic diagram of the measured structure

Fig. 7. The physical diagram of the experiment

Fig. 8. Comparison of simulation and measured data

Fig. 9. Comparison of simulated temperature rise and measured temperature rise