Q2/ An aluminum sphere weighting 7kg and initially at a temperature of 533K is suddenly immersed in a fluid at 283K. if heat transfer coefficient between the sphere and fluid is 50W/m?.°C. Take...

Q2/ An aluminum sphere weighting 7kg and initially at a temperature of 533K is suddenly<br>immersed in a fluid at 283K. if heat transfer coefficient between the sphere and fluid is<br>50W/m?.°C. Take density=2707kg/m3, specific heat=0.9KJ/kg.°C and thermal<br>conductivity= 204W/m °C.<br>إجابت<br>* Determine the Bi number<br>0.00696<br>0.000696<br>0.0052<br>0.00052<br>0 أخری<br>*.Determine the time required to cool sphere to 263K<br>26.28min<br>262.8min<br>52.56 min<br>525.6 min<br>O أخری<br>

Extracted text: Q2/ An aluminum sphere weighting 7kg and initially at a temperature of 533K is suddenly immersed in a fluid at 283K. if heat transfer coefficient between the sphere and fluid is 50W/m?.°C. Take density=2707kg/m3, specific heat=0.9KJ/kg.°C and thermal conductivity= 204W/m °C. إجابت * Determine the Bi number 0.00696 0.000696 0.0052 0.00052 0 أخری *.Determine the time required to cool sphere to 263K 26.28min 262.8min 52.56 min 525.6 min O أخری

Jun 11, 2022

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Q2/ An aluminum sphere weighting 7kg and initially at a temperature of 533K is suddenly immersed in a fluid at 283K. if heat transfer coefficient between the sphere and fluid is 50W/m?.°C. Take...

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