Unformatted text preview: 8pt ME 467 Exam 1 Fall 2017
NAME: 19. Your company has been casting an old metal product for years; you know from experience
that it solidiﬁes in 10 minutes. You now need to estimate a new product’s cooling time, given that it is made from the exact
same material and is poured at the exact same temperature. But, the new part has a different geometry. Given below the respective volumes and areas for the parts of interest, estimate the cooling (solidiﬁcation! time [or the new Qart design. Give answer in minutes. OLD PART: vow = 90,000. m3 AOLD = 17,000. mm2
NEW PART: vNEw = 180,000. mm3 ANEW = 17,000. m2
Show your work . .
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- Summer '19
- Thermodynamics, 10 minutes, 8pt, new product’s cooling time