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Roads and Ecological Infrastructure Conceptual and practical, this book will influence the next decade or more of road design in ecologically sensitive areas and should prevent countless unnecessary wildlife fatalities. Learn more | See similar books
First let me stress, this subject is hard, very hard. This may very well be the toughest subject you take in college. Regarding the book, it has some very strong points, and some very week points.
Pros: 1. There are some good examples 2. Answers to some difficult, multiple part problems are given (under the problems which is quite handy) so that you can complete later parts of a problem if you are not able to solve the early parts. 3. Figures used in text are well defined and labeled very well. 4. Problems are well organized and titled based upon the material they cover. 5. There are few, if any, pictures, figures, or other useless graphics or material that so many textbook writers include, that add virtually nothing to the learning of the subject at hand. This is very nice because it keeps the weight of the textbook relatively low, and does not force you to scan through the 'fluff' to find the pertinent information.
Cons: 1. Unit conversion tables are unconventional, awkward, and are very limited. Some students may have conversions memorized, however, this is not always the case, and for some obscure units, the conversions are not given and must be found elsewhere. 2. Examples are hit or miss. As I said, there are some good examples, however, there are some that are not very useful. 3. Problems can be somewhat cryptic, and not at all straightforward. 4. Sometimes skips key steps in derivations leading to confusing results. 5. Chapter reviews are nonexistent. It would be very nice if there were a list of important equations, definitions, and key concepts at the end of each chapter.
I understand that this is a very tough subject, especially if this is the first time seeing the material.Read more ›
If you want to know transport well, this is the best book out for anyone. These guys weren't playing games when the they wrote this book. This book is serious, but don't use it as your introductory transport book beacues it is too advanced to start with, due to the fact that it is a graduate text. Once you have a grasp for the subject then you definitely need to check it out. Look in any other book and they will have it as a reference. I dont't know why these guys don't write more books.
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I first used BS&L over 30 years ago for my first Transport classes in Chemical Engineering. It's depth and breadth is such that it was a primary text for four other courses I took later in grad school. I pulled the book out a couple of days ago to review my understanding of heat transfer to help explain it to some youngsters. To those who complain that it has too much math...take up a new field. Math and science are inextricably linked. Science isn't just your high school teacher babbling about ecology and the "circle of life". This is hard science, the kind that builds nations and brings societies out of disease-infested environments. If you're using this text and can't take the heat, better get out of the kitchen.
Most chemical engineers grew up with BSL. For myself, I found out what the graduate students were using. The old red-back version was intimidating. It was hard to use. The calculus was, and is, generally over my head. But... after reading through a few problems, the mathematics seemed familiar, the approach seemed to explain all my questions and the solution was, if not directly applicable, one that I could borrow for a difficult problem.
I remember once working on a product development for Andrew Jergens. My goal was to estimate the production capacity of a stepwise batch process. Others would ultimately use my numbers to estimate the price of the product. I had to get it right! One step involved melting this wax, a synthetic whale wax, over an electric heater. I knew the BTU output but there were several physical constraints. After a few sleepless nights and pawing through the University of Cincinnati library I was stumped. Then, I started looking through BSL.Oui la! There is a problem on de-frosting turkeys ¯ a real life practical application of heat transfer; supposedly, this is how Birdseye came up with the table you see on the outside of turkey wrappings on Thanksgiving.
It did not take me long to see the application. I spent a morning doing lab experiments for my physical properties and the afternoon fitting the measurements to their procedure. The method worked.
The second edition has much better graphics and a good index. The index and table of contents in the first edition made the book unwieldy.
I recently became interested in calculating the heat-up time in a hydrolysis bed. One of the crucial problems was calculating h', the volumetric heat transfer coefficient (BTU/hr-cubic feet-F: h X l).Read more ›