final exam closed book solutions

final exam closed book solutions - 1. If the spectral...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
1. If the spectral emissivity of a material increases with increasing wavelength, how does its total emissivity vary with temperature? It goes up since lambda T goes up. (2 pts) 2. Consider the geometry below. Obtain an expression for the view factor of the groove with respect to the surroundings outside the groove. (4 pts) 3. In a counterflow heat exchanger, heat exchange occurs between hot water flowing at 2 kg/s and cold water flowing at 8 kg/s. Which fluid will experience the largest temperature change? Why? (4 pts)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/13/2011 for the course CHEM 3210 taught by Professor Degrazia during the Fall '10 term at Colorado.

Ask a homework question - tutors are online