The convective heat transfer characteristics on the surface of a rolling wheel are investigated using the naphthalene sublimation technique. Five sizes of rolling wheel are selected in the experiments. The local and average Nusselt numbers are obtained. The results reveal that if the wheel radius is used as the characteristic length, the relationship between Nusselt number and Reynolds number is dependent on the wheel radius. This indicates that the wheel radius is not the characteristic length to determine the dimensionless convective heat transfer characteristics of the rolling wheel. Thus, a newly defined characteristic length is provided. For different radii of the wheel, the relationships between Nusselt number and Reynolds number based on this length collapse into one reasonable correlation. The correlation not only enriches the insight of convective heat transfer on rolling wheel but also extends the applicability of the present experimental data.
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Research-Article
The Heat Transfer Characteristics of Rolling Wheel and the Characteristic Length Determining Them
Liangbi Wang,
Liangbi Wang
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
e-mail: lbwang@mail.lzjtu.cn
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
e-mail: lbwang@mail.lzjtu.cn
Search for other works by this author on:
Yongheng Zhang,
Yongheng Zhang
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Search for other works by this author on:
Yuan Wu,
Yuan Wu
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Search for other works by this author on:
Qiuwang Wang,
Qiuwang Wang
Key Laboratory of Thermo-Fluid Science
and Engineering,
Ministry of Education,
School of Energy and Power Engineering,
Xi'an Jiaotong University,
Xi'an, Shaanxi 710049, China
and Engineering,
Ministry of Education,
School of Energy and Power Engineering,
Xi'an Jiaotong University,
Xi'an, Shaanxi 710049, China
Search for other works by this author on:
Zhihui Yin
Zhihui Yin
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Search for other works by this author on:
Liangbi Wang
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
e-mail: lbwang@mail.lzjtu.cn
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
e-mail: lbwang@mail.lzjtu.cn
Yongheng Zhang
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Yuan Wu
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Qiuwang Wang
Key Laboratory of Thermo-Fluid Science
and Engineering,
Ministry of Education,
School of Energy and Power Engineering,
Xi'an Jiaotong University,
Xi'an, Shaanxi 710049, China
and Engineering,
Ministry of Education,
School of Energy and Power Engineering,
Xi'an Jiaotong University,
Xi'an, Shaanxi 710049, China
Zhihui Yin
School of Mechatronic Engineering,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China;
Key Laboratory of Railway Vehicle Thermal
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
Engineering,
Ministry of Education of China,
Lanzhou Jiaotong University,
Lanzhou, Gansu 730070, China
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received June 26, 2014; final manuscript received December 20, 2015; published online March 1, 2016. Assoc. Editor: Sujoy Kumar Saha.
J. Heat Transfer. May 2016, 138(5): 051705 (11 pages)
Published Online: March 1, 2016
Article history
Received:
June 26, 2014
Revised:
December 20, 2015
Citation
Wang, L., Zhang, Y., Wu, Y., Wang, Q., and Yin, Z. (March 1, 2016). "The Heat Transfer Characteristics of Rolling Wheel and the Characteristic Length Determining Them." ASME. J. Heat Transfer. May 2016; 138(5): 051705. https://doi.org/10.1115/1.4032607
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