Heisler Chart may be needed

2. A large aluminum slab has a thickness of 20cm and having a uniform1y initial temperature of 400C. It is suddenly exposed to a convection environment at 90C with h=250W/m2C. Calculate the time for the location 5cm away from the center 1 ine to reach 180C. Extra credit is available if you can get another result from HTT simulation software. (attach screenshots). You might experience the warning from Window Antivirus protection, just override it. (Not working on Apple MacOS, I was to1d). Subinit a hardcopy in class