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University Physics Volume 3

17th Edition
William Moebs + 1 other
ISBN: 9781938168185
BuyFindarrow_forward

University Physics Volume 3

17th Edition
William Moebs + 1 other
ISBN: 9781938168185
Textbook Problem

The electrical power output of a large nuclear reactor facility is 900 MW. It has a 35.0% efficiency in converting nuclear power to electrical power.

  1. What is the thermal nuclear power output in megawatts?
  2. How many 235U nuclei fission each second, assuming the average fission produces 200 MeV?
  3. What mass of 235U is fissioned in 1 year of full-power operation?

To determine

(a)

The output in MW of thermal nuclear power.

Explanation

Given:

  900MW as the electrical power output of a large nuclear reactor and conversion of nuclear to electrical power is 35.0%.

Formulaused:

The relation of electrical input is;

  η=E0Ei

Where E0 = output power

  Ei = input power

Calculation:

  η=E0Ei

  0

To determine

(b)

A number of 235U nuclei fission each second.

c.

To determine

Mass of 235U fission in 1 year when full power in operation.

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