Write an expression for the eta (η) of the fuel when an arbitrary number N of different ssionable materials are present in a nuclear fuel rod. A specic type of nuclear fuel has a capture to ssion...

Write an expression for the eta (η) of the fuel when an arbitrary number N of different ssionable materials are present in a nuclear fuel rod.

A specic type of nuclear fuel has a capture to ssion ratio of 0.169 and, on average, produces 2.418 neutrons per thermal ssion. What is the number of ssion neutrons produced per neutron absorbed?