Ultra Fast Cooling of a Hot Steel Plate by Using High Mass Flux Air Atomized Spray

2012 ◽  
Vol 84 (3) ◽  
pp. 229-236 ◽  
Author(s):  
Soumya S. Mohapatra ◽  
Satya V. Ravikumar ◽  
Surjya K. Pal ◽  
Sudipto Chakraborty
Keyword(s):  
Mass Flux ◽  
Steel Plate ◽  
High Mass ◽  
Ultra Fast Cooling ◽  
Fast Cooling

Ultra Fast Cooling and Its Effect on the Mechanical Properties of Steel

2013 ◽  
Vol 136 (3) ◽  
Author(s):  
Soumya S. Mohapatra ◽  
Satya V. Ravikumar ◽  
Ravi Ranjan ◽  
Surjya K. Pal ◽  
Shiv Brat Singh ◽  
...  
Keyword(s):  
Cooling Rate ◽  
Steel Plate ◽  
Cooling System ◽  
Spray Cooling ◽  
High Mass ◽  
Ultra Fast Cooling ◽  
Thick Steel ◽  
Fast Cooling ◽  
Ultrafast Cooling ◽  
Plate Distance

The objective of this work is to study about the ultrafast cooling of a hot static 6 mm thick steel plate (AISI-1020) by air assisted spray cooling. The study covers the effect of air flow rate and the water impingement density on the cooling rate. The initial temperature of the plate, before the cooling starts, is kept at 900 °C. The spray was produced from a full cone high mass flux and low turn down ratio air atomizer at a fixed nozzle to plate distance. The cooling rate shows that low turn down ratio air atomized spray can generate ultra fast cooling (UFC) rate for a 6 mm thick steel plate. After cooling, the tensile strength and hardness of the cooled steel plate were examined. The surface heat flux and surface temperature calculations have been performed by using INTEMP software. The result of this study could be applied in designing of fast cooling system especially for the run-out table cooling.

The Development and Application of the Hot-Rolled Plate Ultra-Fast Cooling Equipment

2010 ◽  
Vol 145 ◽  
pp. 260-267
Author(s):  
Guo Yuan ◽  
Guo Dong Wang
Keyword(s):  
Steel Plate ◽  
Rolled Plate ◽  
Rolled Steel ◽  
Cooling Process ◽  
Ultra Fast Cooling ◽  
Impingement Heat Transfer ◽  
Flow Field Characteristics ◽  
Fast Cooling ◽  
Hot Rolled ◽  
Hot Rolled Steel

The ultra-fast cooling technical is a newly developed thermal technical in recent years for the hot-rolled steel plate. The key to develop the ultra-fast cooling equipment are the design of the nozzle structure and the cooling process. The heat exchange mechanism of the jetting impingement heat transfer mode was illustrated during ultra-fast cooling process for the hot-rolled steel plate in this paper. The flow field characteristics and the cooling technological process during the plate ultra-fast cooling process were simulated. And the newly-developed ultra-fast cooling equipment for the hot-rolled plate and its application were also introduced in this paper.

Effect of Oxide Layer in the Ultra Fast Cooling of a Steel Plate

2014 ◽  
Vol 28 (2) ◽  
pp. 156-173 ◽  
Author(s):  
S. S. Mohapatra ◽  
J. M. Jha ◽  
S. V. Ravikumar ◽  
A. Singh ◽  
C. Bhatacharya ◽  
...  
Keyword(s):  
Oxide Layer ◽  
Steel Plate ◽  
Ultra Fast Cooling ◽  
Fast Cooling

Ultra fast cooling of hot steel plate by air atomized spray with salt solution

2013 ◽  
Vol 50 (5) ◽  
pp. 587-601 ◽  
Author(s):  
Soumya S. Mohapatra ◽  
Satya V. Ravikumar ◽  
Jay M. Jha ◽  
Akhilendra K. Singh ◽  
Chandrima Bhattacharya ◽  
...  
Keyword(s):  
Salt Solution ◽  
Steel Plate ◽  
Ultra Fast Cooling ◽  
Fast Cooling

Hot-rolled strip re-reddening temperature changing law for late ultra fast-cooling in a CSP line

2015 ◽  
Vol 112 (3) ◽  
pp. 305 ◽  
Author(s):  
Lian-yun Jiang ◽  
Guo Yuan ◽  
Jian-hui Shi ◽  
Yue Xue ◽  
Di Wu ◽  
...  
Keyword(s):  
Rolled Strip ◽  
Hot Rolled Strip ◽  
Ultra Fast Cooling ◽  
Fast Cooling ◽  
Hot Rolled
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