000 02372ntm a2200301 i 4500
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006 t||||fr|||| 000 0
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008 120309t20102010my a f m 001 0 eng d
020 _aTHE0008038(Local)
_qhardback
040 _aUMP
_beng
_cUMP
_erda
090 _aTP159.N6 H53 2010 rs Bc.
100 0 _aNur Hidayaht Hamzah,
_eauthor.
245 0 _aCFD simulation of oxygen penetration in EAF using supersonic injection /
_cNur Hidayaht Hamzah
264 1 _aKuantan, Pahang :
_bUMP,
_c2010
264 4 _c©2010
300 _aviii, 54 pages :
_billustrations (some color) ;
_c30 cm. +
_e1 CD-ROM
336 _2rdacontent
_atext
337 _2rdamedia
_aunmediated
338 _2rdacarrier
_avolume
502 _aProject paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang - 2010
504 _aBibliography : p. [53-54]
520 3 _aThis study investigate the oxygen supersonic jet injection using the Laval nozzle system which applied in an Electric Arc Furnace. Two nozzles with same inlet and outlet diameter but with different throat diameter which were used in Electric Arc Furnace at Perwaja Steel Kemaman have been selected as research case study. The effects of different throat diameter on the performance of the supersonic injection were studied and the effectiveness and shortcoming of the developed modes were highlighted. A model structure with higher ratio of oxygen to natural gas as the shroud gas has been proposed in this study to provide better protection to the main oxygen injection. Besides, the effects of different ratio combination of oxygen and natural gas as the shroud for main oxygen were also studied. Results were compared between the two nozzle model and different ratio combination of the shroud. It was discovered that nozzle with 18mm throat diameter performs better than 15mm throat diameter in producing high speed penetration region. Simulation results demonstrated that shroud of oxygen and natural gas with ratio of 2:1 performs better in protecting the main oxygen injection than shroud ratio of 1:1. Furthermore the case studies on the supersonic injection system based on real practiced data from Perwaja Steel namely KT injection system nozzle which used Laval nozzle shape injector.
650 0 _aNozzles
650 0 _aElectric furnaces
942 _2lcc
_cPSM
999 _c8634
_d8640