Reader Comments on The New Engineering
The reader comments
below are posted on the Amazon listing for The New Engineering.
Thomas Gray is the
Chairman of the ASME Oregon Section. He
attended my talk on the new engineering at the section dinner meeting held on
October 11, 2004. (See invited
speaker list.)
Professor Van Poolen
and I have been correspondents for some time.
In publications and presentations, he has mentioned my work in a
favorable way.
“billster-of-san-jose”
was a student at my 1997 free internet seminar on the new heat transfer.
Simon Sunatori was a
complete stranger when he e-mailed me a copy of his comments later posted on
Amazon.com.
Customer Reviews
Average Customer Review: ![]()
A
refreshing way to look at things., August 11, 2004
|
Reviewer: |
Thomas Gray (Portland, OR)
|
Gene Adiutori has given us a
refreshing way to look at engineering problems. Linear and non-linear problems
can be solved in the same manner. These concepts would have saved hours of
heartache during Electrical Fundamentals courses in college.
Review
of Adiutori's The New Engineering, April 6, 2004
|
Reviewer: |
Lambert Van Poolen, Professor of Engineering
(emeritus) Calvin College (Grand Rapids, MI United States) |
An
important book! The New Engineering emphasizes the use of potentials and flows
to solve engineering design problems in electrical, heat transfer, structural,
and fluid flow systems. The method appropriately negates the need for the
concepts: electrical resistance, heat transfer coefficient, modulus, and fluid
friction factor. They are not fundamental, measurable quantities as are the
potentials and flows of direct interest to the design engineer.
Adiutori challenges us
engineering educators to examine closely the analytical models of 'machines'
set forth in our engineering science text books. I agree with him, for example,
that the use of the friction factor obscures the reality of pressure drop
potential and mass flow.
My recent work with
plastics in the automotive industry has impressed upon me the non-usefulness of
the modulus. Adiutori's concept of paying attention to actual, measurable
variables has motivated me rather to emphasize the real variables of interest
-- force and deflection.
Whether you're an
engineering educator, laboratory scientist, or practicing design engineer, this
work by Adiutori is a must read. I have been reading Adiutori since the 1970's
and have been profoundly influenced both in my thinking about and in the doing
of engineering science and design.
Separation
of variables is the key, February 3, 2004
|
Reviewer: |
"billster-of-san-jose" (San
Jose, CA USA) |
The
typical method for solving natural circulation heat transfer problems is to
calculate a heat transfer coefficient h based on the temperature
difference(Delta-T). The problem with this approach is that Delta-T is part of
what we're looking for! Gene Adiutori's approach avoids this silliness, and
this is just one example of engineering topics explored in this book.
The key is separation of
variables. Data for heat transfer are presented in the form of h versus
Delta-T, when what is really measured is heat flow Q versus Delta-T.
Introducing h merely puts Delta-T on both sides of the equation, requiring an
iterative solution. Separation of variables not only makes the problem easier
to solve, but also allows one to better understand relationships between
physical properties.
Separation of variables
isn't new, but Mr. Adiutori's terminology and presentation are. I see this as
something of a shortcoming with this book; Mr. Adiutori's method of
presentation often gets in the way of the message. Also, I found his unique
approach to dimensional homogeneity to be of no special benefit.
All in all, a solid work.
Absolutely
a Must-Read for Open-Minded Engineers!, January 29, 2004
|
Reviewer: |
Simon Sunatori, P.Eng./ing., M.Eng.
(Gatineau, QC Canada) |
I saw an
unusual full-page advertisement of a book entitled "The New
Engineering" in the IEEE Spectrum (2002-05, Page 56), and quickly ordered
a copy out of curiosity.
In "The New
Engineering" by Eugene F. Adiutori, Ventuno Press (ISBN 0-9626220-1-X),
Adiutori boldly challenges the engineering establishment. The book is full of
criticisms of conventional engineering, but it offers a genuinely workable
alternative, i.e., the behavioural methodology.
A glance at the proposal
to abandon the concept of electrical resistance may give an impression that the
book comprises crackpot nonsense. Open-minded engineers, however, should find
the book refreshing and revealing, and see the light in the reasoning of the
behavioural methodology that the book cleverly demonstrates. The book exposes
mathematical flaws in conventional engineering, pointing out the origins of its
complexity and dimensional homogeneity going back in history to Maxwell (1873),
Fourier (1822), Newton (1701), Galileo (1638) and even Aristotle in ancient
Greek.
I read the book from
cover to cover, uncovering a few minor errors. I found that the fundamental
principles of the new engineering are sound, and the behavioural methodology
presented is logical and rational. The book claims that resistance (R),
inductance (L) and capacitance (C) should all be abandoned in favour of the
behavioural methodology because the ratios of primary parameters in non-linear
behaviour are variable. Even if the new engineering were universally adopted, I
think these ratios would still be useful for identifying electrical components
with linear behaviour (e.g., resistor colour coding).
Before resistance (R),
inductance (L) and capacitance (C) are abandoned in favour of the behavioural
methodology, the implication for impedance in AC analyses, and Fourier
transform and Laplace transform methods, among others, should be evaluated.
Should other ratios such as electrical conductivity, magnetic permeability and
optical index of refraction be also abolished in favour of the behavioural
methodology?
The book dramatically
illustrates the essence of the problem with the conventional engineering by
mathematical analogues of plotting (y/x) versus (x) in the case of modulus
analysis, and plotting (y/x^2) versus (x) in the case of friction factor
analysis. These forms complicate the solution of non-linear problems because
they conceal the behaviour that they are intended to reveal. The proposed
behavioural methodology uses common-sense mathematics to separate (x) and (y)
in order to plot (y) versus (x), allowing engineers to simply read the graph.
Although I am not
qualified to verify the example problems in mechanical engineering, the book
should have universally adopted SI/metric system of measurements (e.g.,
J/(s*m^2*K)) in order to further simplify engineering education instead of
English/Imperial system of measurements (e.g., Btu/(hr*ft^2*F)). In the
"NH3 Power Canada" project that I am presently working on to develop
a novel hydrogen generator, I am having hell of a time trying to understand
documented ammonia gas pressures in "psi", "bar",
"atm" and "g/cm^2", while using only "kPa" should
have avoided any cumbersome and unnecessary unit conversions. The situation is
nothing but a chaos when there are more than 3 000 conversion factors on 23
pages in "CRC Handbook of Chemistry and Physics".
Remarkable consistency is
maintained throughout the book, making corresponding comparisons among
electrical phenomena (resistance), heat transfer phenomena (coefficient), and
stress/strain phenomena (modulus). In its attempt to make a point, the book is
rather repetitive in presenting the advantages of the behavioural methodology
in various examples. The effect of "Copy & Paste" is all too
evident, causing a few errors to show up.
Instead of using an
arbitrary I-V curve for the electrical behaviour in some example problems, the
book should have used the tunnel diode which exhibits a real non-linear I-V
curve with "negative variational resistance".
Partial adoption of the
new engineering would be confusing even though it is a more logical approach,
so I long for the day when the new engineering is ubiquitous. The only one
advantage of the conventional engineering is that it is currently used
globally. Like the SI/metric system of measurements whose merit is evident to
any student, I expect that the adoption of the new engineering would be slowed
by stubbornness, procrastination and arrogance of the conventional engineering.
The starting point for the reform of engineering education may be to have
something like Schaum's Outline Series, which already publishes the
"SI/metric edition", offer the "new engineering edition".
Once upon a time, my
physics professor at the university said that the sun could be mathematically
shown to revolve around the earth, but the equations to describe the behaviour
become much more complex than cartesian or polar co-ordinates. There is an
analogy of simplicity with the proposed behavioural methodology as a new frame
of reference.
Long ago, I had an
argument with a semiconductor physicist over a set of equations for
semiconductor modelling in which the parameters were inter-dependent with one
another, similar to the situation of non-linear resistance in the book. I was
advocating an approach in which the parameters are mutually exclusive, i.e.,
separate and explicit. It would be wonderful if the behavioural methodology can
indeed simplify other disciplines of science so that all scientific problems
could be solved with primary parameters separated.
I have been promoting
absolute simplicity and consistency myself. I feel hopeless for the future of
human civilisation whenever I receive a simple meeting announcement or an
invoice statement (20 lines of information) in a huge 2-MB PDF file attachment
with fancy but useless graphics, or whenever I encounter a webpage which should
have been a 2-kB HTML file but is mindlessly bloated (by a factor of 10) to a
20-kB HTML file produced by Micro$loth Word with a lot of duplicate data and
redundant code.
In
conclusion, this book is absolutely a must-read for open-minded engineers!