Wind energy systems draw on a wide range of disciplines. Any prospective user, regardless
of his background, will feel large gaps in his knowledge, areas where he does not even know
what the question is, let alone where to go look for the answer. This book is written to help
people identify the proper question to ask.
There are several groups of potential users of a book on wind energy systems. There are
those with non technical backgrounds who want a readable introduction. There are graduate
engineers who need a detailed treatment of some aspect of wind power systems. And there are
undergraduate engineering students who need a formal course in the subject. We have chosen
the undergraduate engineering student as the primary audience, but have tried to consider
the needs of other users. Many of the key concepts should be readily understood by those
with a good high school education. Those sections which demand a more technical treatment,
however, assume a background in chemistry, physics, calculus, circuit theory, and dynamics.
Rather detailed treatments of meteorology, statistics, electrical machines, and engineering
economics are given, but since these subjects are not studied by all engineers, no background
is assumed for these areas. Enough detail is included so that a technically trained person
can evaluate a given system for a proposed application and also learn enough of the specific
language that he can look elsewhere for more information in an efficient manner.
This book will be of interest to those students who are interested in energy sources besides
coal and nuclear. Oil and natural gas are obviously not suitable long term solutions to
our energy requirements, and coal and nuclear energy face severe environmental obstacles.
This means that the so-called alternative energy sources may well become primary sources
over the next few decades. At the present time wind, solar photovoltaic, and solar thermal
systems appear to be the main contenders for supplying a substantial fraction of the energy
requirements of the United States and much of the remainder of the world as well.
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