The temperature of the aluminum is what I was trying to find. Thank you for the responses. I was afraid of the temperature at the aluminum will be too high to operate safely. Thank you again.
Ok I have what I believe is a relatively simple calculation but I can't track down my equation and I don't have any textbooks at my disposal.
Working with a ceramic nozzle tip at 1250-1475 deg C which is attached to and Aluminum brace. I need to find the temperature of the ceramic 19-21 cms...