GATE MT 2016 Q.38 Mould heat flux (qm) for billet casters is expressed (in SI unit) as a function of distance below the meniscus (z). If mould length (Lm) is 0.8 m and casting speed (Uc) is 0.2 m.s-1, the average mould flux (in MW.m-2) is
GATE MT 2016 Q.38 Mould heat flux (qm) for billet casters is expressed (in SI unit) as a function of distance below the meniscus (z). If mould length (Lm) is 0.8 m and casting speed (Uc) is 0.2 m.s-1, the average mould flux (in MW.m-2) is
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Correct answer is 2.23 MWm-2 Given that, qm (z) = [2.67 - 0.33√z/Uc]×106 Lm=0.8 m and Uc =0.2 m.s-1 Average mould flux= ∫0lmdz/ ∫0lmdz = ∫106 [2.67 - 0.33√z 1/2/Uc]dz /Lm =2.23 MWm-2
Correct answer is 2.23 MWm-2
Given that, qm (z) = [2.67 – 0.33√z/Uc]×106
Lm=0.8 m and Uc =0.2 m.s-1
Average mould flux= ∫0lmdz/ ∫0lmdz
= ∫106 [2.67 – 0.33√z 1/2/Uc]dz /Lm
=2.23 MWm-2
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