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Temperature distributions in rotary-blade coupling of a 4WD vehicle with longitudinal ribbed turbulators

Author

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  • Yeh, Jung-Peng
  • Tzeng, Sheng-Chung
  • Tseng, Hsien-Chang

Abstract

The instability of the thermal characteristics of rotating-blade coupling (RBC), with longitudinal ribbed turbulators, in real-time four-wheel-drive (4WD) vehicles has been investigated. The key parameters approximate to the operating conditions of a real vehicle. The co-axial rotating channel flow exhibits a pattern of unstable Taylor vortices. Longitudinal rib-roughened walls were employed to prevent high temperatures in local regions. The local temperature-distributions of the RBC with longitudinal ribbed turbulators were measured and compared with those with smooth walls. Longitudinal ribbed turbulators can: (i) prevent local increases in temperature, (ii) increase the lives of the parts of a rotational blade connector and (iii) protect the motive sources of 4WD vehicles.

Suggested Citation

  • Yeh, Jung-Peng & Tzeng, Sheng-Chung & Tseng, Hsien-Chang, 2005. "Temperature distributions in rotary-blade coupling of a 4WD vehicle with longitudinal ribbed turbulators," Applied Energy, Elsevier, vol. 80(2), pages 155-167, February.
    • Handle: RePEc:eee:appene:v:80:y:2005:i:2:p:155-167
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