processes is a guide (a vademecum), which I am personally convinced will be of great benefit to a large number of university teachers and researchers, and engineers and technicians active in today’s economy sector, as well in the very near future.
Jean-Claude CHARPENTIER
Former director of ENSIC Nancy and ESCPE Lyon, France
Former president of the European Federation of Chemical Engineering
Laboratoire Réactions et Génie des Procédés
CNRS/ENSIC/University of Lorraine
Foreword 2
Thermodynamics is a universal science that is of great interest in all its applications. The premises of thermodynamics are not always easy to understand, in the eyes of students nor in those of seasoned researchers, nor are the numerous developments that result from it.
Nature is complex and the scientist must be humble with regard to what he/she sees. He/she must scrupulously observe, carefully reflect, attempt to interpret and undertake modeling, a theory which will be deemed valid only until a new observation, or a new experiment comes to question them. From this perspective, it is necessary for the educator to show conviction, insight and passion in order to best convey the thirst for effort and for accomplishing work, to promote vocations and to discover talents.
Professor Salah Belaadi has spent many years teaching thermodynamics. He has enriched his courses with many exercises entirely dedicated to understanding this science and potential applications for the industrial world. Over the years, he has been able to select the most interesting and relevant exercises. The collection he proposes today is therefore an assortment of carefully selected topics for thermodynamic reflection and culture.
I wish him the success he deserves and I hope that a very large number of readers will enjoy this content.
Dominique RICHON
Emeritus Professor at Mines ParisTech
Former director of Thermodynamics and Phases Equilibrium Laboratory
Preface
The aim of this book is to reduce apprehension toward thermodynamics and to make it more familiar to those who have to use it, both on completion of apprenticeships, training and retraining, as well as to those conducting research and reflection on the evolution of processes at the time of transformation of matter and/or energy.
The need to write this book was apparent to me, after so many years of teaching at various university levels, after the unequivocal statement: the difficulty encountered by students – or engineers working in companies or research groups – to solve concrete problems in thermodynamics comes from the fact that the manuals, which cover applications of the concepts of this discipline, are too didactic.
Hence why I propose an original approach for this book - to use thermodynamics as a resolution tool – indispensable for mastering a process of energy transformation and/or matter using one or more thermodynamic concepts. Thus, this book is not structured according to the progression of the teaching of the concepts of thermodynamics, but rather according to the evolution of the scientific difficulty compared to the state of the thermodynamic system studied from closed systems to energy processes. Thermodynamics is above all “the science of the evolution of the states of a system, whatever it is”.
The book derives its interest from the very definition of this science, accepted by the scientific community for a long time as the “mother of sciences”. Indeed, everyone agrees: “If thermodynamics does not solve everything, without it, we will not solve anything.” This is all the more true for the physicochemical processes of matter and energy transformation.
Salah BELAADI
January 2020
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