JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (2): 97-101.

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Fouling properties of a vibration pipe under the condition of constant heat flux

LIAN Gen-kuan1, TIAN Mao-cheng2, LENG Xue-li2   

  1. 1. Power Department, Institute of State Grid Technology, Taian 271000, China;
    2. Institute of Energy and Power, Shandong University, Jinan 250061, China
  • Received:2011-03-29 Online:2012-04-20 Published:2011-03-29

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Abstract:

The experiment platform was of the round tube fouling was established. The fouling growth characteristics of the still and vibrational pipes under the condition of constant heat flux were experimentally studied, and the time-dependent curves of fouling resistance under different conditions were obtained. Experimental results showed that the fouling growth curve was representative asymptote,and the asymptotic fouling resistance declined with an increasing vibrational Reynolds number in exponential form,and the vibrational asymptotic fouling resistance was less than the stillness asymptotic fouling resistance under the same conditions. Vibration fouling resistance is significantly reduced while the frequency and amplitude increase.

Key words:  vibration, fouling, thermal resistance, experiment, round tube, Reynolds number, frequency, amplitude

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