Interactions of Neutrons and Radiation With Matter
Neutron Interactions
Since neutrons have zero charge they do not interact
with the orbital electrons of an atom, instead they
interact directly with the nucleus
Neutrons interact with nuclei in the foll

ENME 430 Fundamentals of Nuclear Reactor Engineering
Fall 2011
Exam 1
Section NE01
Time
1. Exam should not be administered before October 4, 2011
2. Completed exam must be returned to the instructor no later than 12:00 pm on October 11,
2011
3. The allott

ENME 430
Homework 8 Assignment
Problems 6-15
A homogeneous solution of 235U and H2O contains 10 grams of 235U per liter of solution.
Compute (a) the atom density of 235U and the molecular density of H2O; (b) the thermal
utilization; (c) the thermal diffus

Problem 3.11
Stainless steel, type 304 having a density of 7.86 g/cm3, has been used in some reactors. The
nominal composition by weight of this material is as follows: carbon, 0.08%; chromium, 19%;
nickel, 10%; iron, the remainder. Calculate the macrosco

ENME 430
Homework 5 Assignment
1.
A point source emits S neutrons/sec isotropically in an infinite vacuum. (a) Show that the
S
neutron flux at the distance r from the source is given by
(b) What is the neutron
4r 2
current density vector at the same poin

Problem 2.51
Particle
kg
MeV
Proton
1.672621898 10 -27 kg
c2
938.2720813 MeV
Neutron
1.674927471 10 -27 kg
939.5654133 MeV
Electron
9.10938356 10 -31 kg
-particle
6.644657230 10 -27 kg
amu
c2
c2
0.5109989461 MeV 2
c
3.727379508 GeV 2
c
1.007276466879amu
1

ENME 430
Homework Assignment
1.
Problem 6-3
A bare-cylinder reactor of height 100 cm and diameter 100 cm is operating at a steady state
power of 20 MW. If the origin is taken at the center of the reactor, what is the power density
at the point r = 7 cm, Z

ENME 430
Homework Assignment
1.
Problem 5-17
The thermal flux at the center of a graphite research reactor is 5 1012 neutrons
. The
cm 2 sec
temperature of the system at this point is 120C. Compare the neutron density at this point
with the atom density o

ENME 430 Fundamentals of Nuclear Reactor Engineering
Fall 2011
Exam 1
Section 0101
Time
October 4, 2011, 2:00 3:15 pm
Material Covered
Chapter 2 and Chapter 3 Sections 3.1-3.7 of Lamarsh and Baratta, Introduction to Nuclear
Engineering, Third Edition.
Res

Lecture 1
Atomic and Nuclear Physics
Fundamental Particles
A detailed study of nuclear physics would cover
a wide variety of fundamental particles
This course discusses only a few fundamental
particles that are of special interest to the
nuclear engine

Lecture 1
Atomic and Nuclear Physics
Fundamental Particles
A detailed study of nuclear physics would cover
a wide variety of fundamental particles
This course discusses only a few fundamental
particles that are of special interest to the
nuclear engine

Introduction to Nuclear Engineering, 3rd Edition by J.R. Lamarsh and A.J. Baratta
Textbook Errata
Pg 6-7. Electron, Proton, and neutron masses are inconsistent with the table in the Appendix.
Use the values in the Appendix.
Pg 9. Example 2.2 solution equa