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Numerical modelling of the multi-tubular hydride finned reactor with various fin configurations.

Number: 0111

Author(s) : PANDEY V., SHRIVASTAV A., KRISHNA K. V., MAIYA M. P.

Summary

A multi-tubular hydride reactor (metal hydride tubes in shell and tube type configurations) is appropriate for stationary hydrogen storage systems. In this work, the absorption performance of a multi-tubular hydride reactor equipped with longitudinal radial fins is investigated for a 10 kg mass of LaNi5 alloy. The performance is compared with the embedded tube and fin reactor of a similar configuration. The former requires 67% less time to complete the hydrogen absorption process. The arrangement of radial longitudinal fins is optimized by changing the number of fins and radial height while keeping the volume fixed. The absorption time for 4, 8, and 12 combinations of full and half fins reduces by 40, 50, and 53%, respectively, compared to the base case with 6 full fins. The optimized reactor configuration is further used for studying the impact of operating parameters viz. hydrogen supply pressure and heat transfer fluid inlet temperature on the absorption performance.

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Pages: 10 p.

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Details

  • Original title: Numerical modelling of the multi-tubular hydride finned reactor with various fin configurations.
  • Record ID : 30029716
  • Languages: English
  • Subject: Technology
  • Source: 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022.
  • Publication date: 2022/06/13
  • DOI: http://dx.doi.org/10.18462/iir.gl2022.0111
  • Document available for consultation in the library of the IIR headquarters only.

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