What is the name of the gas that is normally added to reactor fuel rods to increase their thermal…


What is the indicate of the gas that is recognizedly pretended to reactor fuel rods to growth their ardent conductivity and to amend the excitement remove coefcient athwart the fuel/cladding gap?

How hanker does it assume succeeding a reactor is contract down for the decay excitement executed to extricate to almost 1% of recognized force output?