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4 produkter
4 produkter
2 117 kr
Skickas inom 10-15 vardagar
This is nothing unusual in a time where the quality of knowledge and skill is measured largely by its usefulness.(c) Universidad Nacional de Education a Distancia, La Génesis de la Mecanica de los Fluidos (1640-1780) ISBN 84-362-3439-1
Del 47 - Studies in History and Philosophy of Science
Jean Le Rond D'Alembert: A New Theory of the Resistance of Fluids
Inbunden, Engelska, 2018
1 167 kr
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In the commentaries to this book we try to understand d’Alembert thoughts and how he contrives to translate his ideas on mechanics to the fluid realm with a new and radical point of view; how he arrives at the first two fundamental differential equations among the velocity components; and how he tries to reduce the resistance of a moving body, which is a change of its momentum, to the hydrostatical pressure, which is related to the gravity. All this knowing that his mechanics has no forces and no pressures as well, and that the fluids are aggregates of individual particles.The essay A New Theory of the Resistance of Fluids was a turning point in Fluid Mechanics because clearly, for the first time, the resistance is shown as the results of a fluid subjected to differential equations in a continuous mode instead of a set of impacts of individual particles. This contribution has been recognized by the scholars. However, only partial attention has been paid to this work, which can be justified due to the difficulty in its reading and also because it was eclipsed by the publication, a few years later, of Euler’s three Memoirs that established modern hydrodynamics.
Del 47 - Studies in History and Philosophy of Science
Jean Le Rond D'Alembert: A New Theory of the Resistance of Fluids
Häftad, Engelska, 2019
1 167 kr
Skickas inom 10-15 vardagar
In the commentaries to this book we try to understand d’Alembert thoughts and how he contrives to translate his ideas on mechanics to the fluid realm with a new and radical point of view; how he arrives at the first two fundamental differential equations among the velocity components; and how he tries to reduce the resistance of a moving body, which is a change of its momentum, to the hydrostatical pressure, which is related to the gravity. All this knowing that his mechanics has no forces and no pressures as well, and that the fluids are aggregates of individual particles.The essay A New Theory of the Resistance of Fluids was a turning point in Fluid Mechanics because clearly, for the first time, the resistance is shown as the results of a fluid subjected to differential equations in a continuous mode instead of a set of impacts of individual particles. This contribution has been recognized by the scholars. However, only partial attention has been paid to this work, which can be justified due to the difficulty in its reading and also because it was eclipsed by the publication, a few years later, of Euler’s three Memoirs that established modern hydrodynamics.
2 117 kr
Skickas inom 10-15 vardagar
Fluid Mechanics, as a scientific discipline in a modern sense, was established between the last third of the 17th century and the first half of the 18th one. This book analyses its genesis, following its evolution along two basic lines of research, which have been named the “problem of resistance” and the “problem of discharge”. This approach highlights the existence of a remarkable experimental aspect in the aforementioned research lines, together with their link with problems of a practical nature, such as ballistics, hydraulics, fluid-using machines or naval theory. On the other hand, although previous studies usually present fluid mechanics from the point of view of mathematics, this is complemented here by an engineering viewpoint; gathering attempts made in the beginnings of fluid mechanics to see if the theory was capable of productive application in practical terms. This is nothing unusual in a time where the quality of knowledge and skill is measured largely by its usefulness.(c) Universidad Nacional de Education a Distancia, La Génesis de la Mecanica de los Fluidos (1640-1780) ISBN 84-362-3439-1