Previous work about the oblique fin channels shows an abnormal variation on the static pressure drop. Thus numerical work was performed to investigate the influence of the lengthwise distance and the parallelogrammic fin section shape separately using two groups of fin mesh. The results showed that the influence of the parallelogrammic fin section shape was similar to the three-dimensional oblique fin channels. Besides, when air flow is askew to the fin, there is a vortex near the leeward side. The pressure had a rapid change in the entrance and vortex region and then decreased linearly along the flow length. The static pressure drop in the vortex region is determined by both the fin slope angle and the inlet angle. Thus the variation law of oblique fin channels is different from the straight fin channels.
- Heat Transfer Division
Pressure Analysis of Airflow With Different Inlet Angle in the Oblique Rectangular Fin Channels
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Liu, Z, Li, H, Shi, L, Zhang, Y, Li, R, & Fei, F. "Pressure Analysis of Airflow With Different Inlet Angle in the Oblique Rectangular Fin Channels." Proceedings of the ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer. Volume 2: Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters. Biopolis, Singapore. January 4–6, 2016. V002T11A011. ASME. https://doi.org/10.1115/MNHMT2016-6459
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