Zhan Jinghua, Zhou Quan. Experimental study of turbulent Rayleigh-Bénard convection under non-uniform heating boundary conditions[J]. Journal of Experiments in Fluid Mechanics, 2015, (4): 47-51,57. DOI: 10.11729/syltlx20140141
Citation: Zhan Jinghua, Zhou Quan. Experimental study of turbulent Rayleigh-Bénard convection under non-uniform heating boundary conditions[J]. Journal of Experiments in Fluid Mechanics, 2015, (4): 47-51,57. DOI: 10.11729/syltlx20140141

Experimental study of turbulent Rayleigh-Bénard convection under non-uniform heating boundary conditions

More Information
  • We present an experimental investigation of heat transport by turbulent Rayleigh-Bénard (RB)convection under non-uniform heating boundary conditions.During the measure-ments,the Rayleigh number Ra varies from 9×10 8 to 7×10 9 and the Prandtl number Pr is fixed at Pr=5.4.By adjusting the spatial distribution of the heating power in the lower plate,we ob-served an enhancement in the Nusselt number Nu by 13%.Therefore,our results reveal that the non-uniform heating can enhance the global heat transport efficiency of the system.
  • Related Articles

    [1]YANG Jian, XU Jiao, ZHAO Chenxi, HAO Wenchang, YIN Yugang, ZHANG Shiming. Research on the fabrication and performance of ohmic contact of SiC piezoresistive pressure sensor[J]. Journal of Experiments in Fluid Mechanics, 2024, 38(6): 93-98. DOI: 10.11729/syltlx20230055
    [2]YANG Kai, WANG Hongyu, ZHU Xinxin, ZHU Tao, CHEN Xi, TAO Bowan, LI Jie. Temperature-difference-based heat-flux sensors and their application in hypervelocity low-density wind tunnel[J]. Journal of Experiments in Fluid Mechanics. DOI: 10.11729/syltlx20230140
    [3]LI Bingjie, ZHANG Shulei, DONG Xinyu, WANG Teng, MI Menglong, LIU Lu. Study on evaporation heat transfer characteristics of sessile droplets based on temperature measurement of double layer temperature sensitive paint[J]. Journal of Experiments in Fluid Mechanics. DOI: 10.11729/syltlx20220132
    [4]LI Zhongpeng, ZHOU Ruixu, MENG Fanzhao, CHEN Chi, LI Tuo, LIAN Huan. Supersonic combustion sensing by the passive endoscopic flame sensor[J]. Journal of Experiments in Fluid Mechanics, 2022, 36(2): 102-114. DOI: 10.11729/syltlx20220004
    [5]YANG Kai, ZHU Tao, WANG Xiong, TAO Bowan, ZHU Xinxin, WANG Hui, YANG Qingtao. Self-innovated ALTP heat-flux sensor and its performance tests[J]. Journal of Experiments in Fluid Mechanics, 2020, 34(6): 86-91. DOI: 10.11729/syltlx20190148
    [6]LIU Xiang, XIONG Jian, MA Husheng, ZHOU Qiang, CHEN Liusheng, WANG Hongbiao, HUANG Hui, CHEN Zhi. The calibration and image post-processing method research of temperature-sensitive paint[J]. Journal of Experiments in Fluid Mechanics, 2020, 34(4): 53-61. DOI: 10.11729/syltlx20190054
    [7]Li Yu, Zhu Guangsheng, Nie Chunsheng, Tan Meijing, Chen Weihua, Cao Zhanwei. Study on the influence of cold spot effect on the thermal measurement characteristics of circular foil heat flow sensor in hypersonic convection environment[J]. Journal of Experiments in Fluid Mechanics, 2019, 33(4): 39-44. DOI: 10.11729/syltlx20180110
    [8]Xia Yunfeng, Hao Siyu, Xu Hua, Cai Zhewei, Zhang Shizhao, Yan Jiechao. Research on the calibration device with temperature control for underwater wall shear stress sensor[J]. Journal of Experiments in Fluid Mechanics, 2017, 31(3): 72-77. DOI: 10.11729/syltlx20170025
    [9]Sun Baoyun, Ma Binghe, Deng Jinjun, Jiang Chengyu. Research progress on thermal wall shear stress sensors[J]. Journal of Experiments in Fluid Mechanics, 2017, 31(2): 26-33, 43. DOI: 10.11729/syltlx20170022
    [10]ZHANG Cong-he. Research on the sensing technology for pressure measurement in the transient temperature flow field[J]. Journal of Experiments in Fluid Mechanics, 2000, 14(4): 64-68. DOI: 10.3969/j.issn.1672-9897.2000.04.012

Catalog

    Article Metrics

    Article views (169) PDF downloads (11) Cited by()
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return
    x Close Forever Close