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Sökning: WFRF:(Cui J) > Mälardalens universitet

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1.
  • Niu, Z., et al. (författare)
  • Experimental investigations on the thermal energy storage performance of shell and tube unit with composite phase change materials
  • 2019
  • Ingår i: Innovative Solutions for Energy Transitions. - : Elsevier. ; , s. 4889-4896, s. 4889-4896
  • Konferensbidrag (refereegranskat)abstract
    • This work presented experimental investigations on the thermal energy storage performance of the shell and tube unit with composite phase change materials (PCM). A cylindrical heat storage tank filled with open-cell copper foam was proposed and its melting process characteristics were studied. A designed test system was established to record the PCM real-time temperature data. The results showed that, compared with traditional smooth-tube phase-change heat exchangers, the composite PCM unit accelerated the bottom paraffin melting. The temperature disparity among different height reduced, which resulted in better internal temperature uniformity. Due to the expanded heat transfer area, improved heat transfer coefficient and weakened natural convection, the bottom phase-change materials in the composite-PCM heat-storage unit melt faster.
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2.
  • Wang, Y., et al. (författare)
  • Evaluation of water cooling heat sink performance and dynamic flow effect
  • 2019
  • Ingår i: Energy Procedia. - : Elsevier Ltd. - 1876-6102. ; , s. 2417-2422
  • Konferensbidrag (refereegranskat)abstract
    • With the advent of high-performance of data centre, the energy consumption of servers has proliferated. Consequently, the generated tremendous amount of heat requires huge energy consumption. Improving energy efficiency is going to play a key role in reducing the energy consumption of data centre. Adopting the heat sink with higher heat transfer and flow performance or precisely control the cooling capacity are two effective way for energy saving in heat dissipation. In this paper, three water cooled heat sink with different pin fin are evaluated by experiments. The heat sink with square pin fin has better heat and flow effect. Meanwhile, the precisely control of the pump power according to the working load is used for energy saving. The energy saving effect is evaluated by benefit factor. However, the most effective way of energy saving is adopting the heat sink with higher comprehensive effect. 
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  • Resultat 1-2 av 2
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konferensbidrag (2)
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refereegranskat (2)
Författare/redaktör
Yu, J. (1)
Wang, Y. (1)
Sun, Y (1)
Zhu, K. (1)
Yang, Xiaohu (1)
Li, Hailong, 1976- (1)
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Yan, Jinyue, 1959- (1)
Cui, X. (1)
Wei, J. (1)
Niu, Z (1)
Cui, Z. (1)
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Kungliga Tekniska Högskolan (1)
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Engelska (2)
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