m²/s) In an annealing process, a 50-mm-thick stainless steel plate (p=8238 kg/m³, cp=468 J/kg-K, k=13.4 W/m-K, and a = 3.48×10 was reheated in a furnace from an initial uniform temperature of 230°C. The ambient temperature inside the furnace is uniform at 1000°C, and the convection heat transfer coefficient is 215 W/m2.K. If the entire stainless steel plate is to be heated to at least 580°C, determine the time that the plate should be heated in the furnace using the analytical one-term approximation method.

m²/s) In an annealing process, a 50-mm-thick stainless steel plate (p=8238 kg/m³, cp=468 J/kg-K, k=13.4 W/m-K, and a = 3.48×10 was reheated in a furnace from an initial uniform temperature of 230°C. The ambient temperature inside the furnace is uniform at 1000°C, and the convection heat transfer coefficient is 215 W/m2.K. If the entire stainless steel plate is to be heated to at least 580°C, determine the time that the plate should be heated in the furnace using the analytical one-term approximation method.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

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Please help answer the question shown in the photo. I have attempted this question so many times and it always says my answer is wrong. Thank you!

In an annealing process, a 50-mm-thick stainless steel plate (p = 8238 kg/m³, cp=468 J/kg-K, k=13.4 W/m-K, and a = 3.48×10-6 m²/s)
was reheated in a furnace from an initial uniform temperature of 230°C. The ambient temperature inside the furnace is uniform at
1000°C, and the convection heat transfer coefficient is 215 W/m2.K. If the entire stainless steel plate is to be heated to at least 580°C,
determine the time that the plate should be heated in the furnace using the analytical one-term approximation method.
The time that the plate should be heated in the furnace is 362.97 * s.

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