Table of Contents

An illustrated collection of Engineering Limericks
by

Annraoi de Paor
with cartoons by

Jane Courtney
—––––––––––––––––––––––––

Limericks:

1.   Inverse Square

2.   Laplace’s equation and transformation

3.   A Theorem of Gauss

4.   A Charge in a Field 

5.   Motional EMF

6.   Force on a Current Element

7.   The D C Machine

8.   S I Units

9.   Ampère’s Circuital Theorem

10.  Circles of Flux

11.  Magnetic Pole Stress

12.  Electromagnetic Induction

13.  Shocking Events at Maynooth

14.  The Induction Motor

15.  Eddy Current

16.  Magnetic Hysteresis

17.  Power Loss in a Transformer Core

18.  Maxwell’s Equations

19.  Displacement Current Density

20.  Sweet Intrinsic Impedance

21.  Telling the Volt from the Amp

22.  Extending the Voltmeter Range

23.  The Faraday Cage

24.  Tweedling the Ammeter Range

25.  Kirchhoff’s Laws

26.  Ohm Sweet Ohm

27.  Resistive Heating

28.  Reciprocal Ohms

29.  An L of a Toroid

30.  Energy in an Inductor
31.  The Dots on the M

32.  Two L’s in Parallel

33.  Capacitance between Plates

34.  Energy in a Capacitor

35.  Capacitive Current

36.  RC Time Constant

37.  Exponential Convergence

38.  The Unexpected e

39.  A Different Kind of Phasor

40.  Complex Impedance

41.  Combining Impedances

42.  Star-to-delta Transformation

43.  Delta-to-star Transformation

44.  The Bridge Circuit

45.  Thévenin’s Theorem

46.  A C Power

47.  Maximum Power from a Source

48.  Capacitive Loss Angle

49.  Reflection through a Transformer

50.  Tuned Circuit

51.  Hybrid Parameters

52.  Semiconductor Drift

53.  The Einstein Relation

54.  The Ideal Diode

55.  Ruby Laser

56.  The Hall Effect

57.  Solar Constant

58.  The Betz Ideal

59.  The Ideal Actuator Disc

60.  Wave Power

Limericks:

 61.  Salter Ducks

 62.  Water Power

 63.  Turbine Shapes

 64.  The Three Turbineers

 65.  Storing Solar Energy

 66.  The H2 Economy

 67.  Nuclear Fission

 68.  Nuclear Fusion

 69.  The Carnot Cycle

 70.  Bernoulli’s equation

 71.  The Reynolds’ number

 72.  Kepler’ laws of Planetary motion

 73.  Newton’s laws of motion

 74.  Hamiltonian dynamics

 75.  The brilliance of G. G. Stokes

 76.  The Ould Triangle

 77.  Cartesian Coordinates

 78.  Roots of the Quadratic

 79.  An Equation of Euler

 80.  Partial Fraction Expansion

 81.  Dirac Delta (unit impulse) Function

 82.  The Marvel of Convolution

 83.  Amazing Gain

 84.  Bode Magnitude Diagrams

 85.  The Nyquist Criterion

 86.  The Negative Feedback Loop

 87.  Ziegler Nichols PID Controller

 88.  Filtering the D in the PID

 89.  Ziegler to Nichols

 90.  The Root Locus method

 91.  Root Locus Symmetry

 92.  Positive-parameter Root Locus Branches
        on the Real  Axis

 93.  Positive-parameter Root Locus
        Asymptote Angles

 94.  Root Locus Centre of Asymptotes

 95.  The Linear System

 96.  Mode Controllability

 97.  Mode Observability

 98.  Eigenvalues and eigenvectors

 99.  The ECG

100.  The pendulum test 1: ζ

101.  The pendulum test 2: ωn

102.  Relaxation Oscillations

103.  Boyle’s Law

104.  Absolute Zero

105.  FitzGerald-Lorentz Contraction

106.  Waves or Particles?

107.  E = mc²

108.  Constants of Nature

109.  Beyond the Electron?

110.  Quark! Quark!

111.  Splitting the atom

112.  Electrical Retaliation

113.  The Joys of Proofreading

114.  Wiring Colour Code

115.  Yacht race at Kingstown

116.  Light Dawns

117.  Remember all users

118.  Limerick Lady

The Electric Alphabet by Annraoi de Paor

          Index of first lines
            pages: 1 , 2 , 3.

Acknowledgements and credits for photographs

          More from Tyndall Publications

Preface:   PJ Prendergast

Dedication

Introduction:    Annraoi de Paor

            Acknowledgements