Analisa karakteristik aliran pada fenomena sirkulasi alam fasa-tunggal di Untai FASSIP-01 Mod.2

  • Nathaniel Ezer Putra Darmawan Universitas Udayana
  • G.B. Heru K Pusat Teknologi dan Keselamatan Reaktor Nuklir
  • Dedy Haryanto Pusat Teknologi dan Keselamatan Reaktor Nuklir
  • Giarno . Pusat Teknologi dan Keselamatan Reaktor Nuklir
  • I Nyoman Suprapta Winaya Universitas Udayana
  • I Ketut Gede Sugita Universitas Udayana
  • Putu Brahmanda Sudarsana Universitas Udayana
  • Mulya Juarsa Universitas Udayana

Abstract

FASSIP-01 rectangular loop is a facility which owned by PTKRN-BATAN that used for observe the phenomenon of natural circulation in large-scale. This natural circulation phenomenon will be applied as a passive cooling system in nuclear power plant that will be built up in Indonesia. Some FASSIP-01 experiments have done before, but those experiments show that the fluid flow in FASSIP-01 is not in optimal conditions because there are some errors happened and causes some losses. The second modification of FASSIP-01 rectangular loop has purpose to minimize losses happened in previous modification of FASSIP-01. The purpose of this research is to know the characteristics of flow and the trend of the data from the flow in FASSIP-01 mod.2 rectangular loop before do experiments. Simulations is done by using 2-dimensional images and varying the heating temperature at 353,15 K and 363,15 K and the cooler at temperatures of 278.15 K, 283.15 K, 288.15 K and 293.15 K. Based on the simulation results it is known that the velocity flow rate will increase if the temperature in the heating tank is increased, but will decrease if the temperature in the cooling tank is increased. The results of the calculation of the Reynold Number and Nusselt Number based on the velocity flow rate are 2973,668 the lowest and 5775,356 the highest and for the Nusselt numberĀ  obtained 17,36 and the highest is 28,091.

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Published
2022-01-13
How to Cite
EZER PUTRA DARMAWAN, Nathaniel et al. Analisa karakteristik aliran pada fenomena sirkulasi alam fasa-tunggal di Untai FASSIP-01 Mod.2. Jurnal Energi Dan Manufaktur, [S.l.], v. 14, n. 2, p. 56-63, jan. 2022. ISSN 2541-5328. Available at: <https://ojs.unud.ac.id/index.php/jem/article/view/82335>. Date accessed: 26 june 2022. doi: https://doi.org/10.24843/jJEM.2021.v14.i02.p04.
Section
Articles