Mechanics of Heating and Ventilating With Charts for Calculation and Examples Classic Reprint
Idioma: inglés
Editorial: Forgotten Books, 2019
- Tapa blanda
- Nuevo
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N° de ref. del artículo LW-9781332331390
- Título
- Mechanics of Heating and Ventilating With Charts for Calculation and Examples Classic Reprint
- Autor
- Konrad Meier
- Editorial
- Forgotten Books
- Año de publicación
- 2019
- Estado
- New
- Encuadernación
- PAP
- Idioma
- inglés
- ISBN 10
- 1332331394
- ISBN 13
- 9781332331390
- Peso del artículo
- 327 gramos
The theories of heating and ventilating may be brought under three general headings:
1. The movement of fluids.
2. The transmission of heat or thermal functions.
3. The requirements of hygiene.
The first named would treat of the flow of the different heat carriers, and of air for ventilating, with special reference to the conditions met in modern practice. It would represent the mechanical side, while the heat transmission in its various steps, through building structure, as well as in generating or absorbing, radiating, and emitting heat, are more purely physical functions. In a work on the whole subject of heating and ventilating these two chapters could not be strictly separated, and the third one, the sanitary side, should also be considered in relation to the others. However, the present treatise is not intended to go beyond the first of these three equally important phases. Nor is it claimed to be an original contribution. It is presented as a collection of data from various sources, sifted, compared and selected with the idea of meeting certain needs of the day, and put into shape for ready application. At the same time, it has been attempted to give a comprehensive and explanatory outline of the subject, which may contribute toward friendlier relations between theory and practice, for the benefit of those who care, and make the data presented more useful to the student and engineer, and through them to the public.
The author is indebted to Mr. Fritz Schübeler, with Sulzer Bros., a pupil and former assistant to Dr. A. Stodola for a friendly discussion of some theoretical points, and to his office assistant Mr. Alfred J. Offner for the patient and faithful execution of the charts.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
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Reseña del editor
Thumb rules in general give only an average, which may not apply to the case in hand. They should not be relied upon for design and construction, but may serve for rough preliminary estimates. Neither will tabulated figures cover the requirements, if based on a fixed set of conditions, such as the pressure loss for a certain length, which hardly ever coincides with a particular instance. Such tables ought to be used only for. Approximate sizing.
For methodical calculation of a conduit it is essential to be aware that the fluid to be moved, or kept under control, must fol low the laws of nature. All calculations relating to the flow should therefore be based, first of all, on formula giving adequate expression to-the forces coming into play. This means that each case should be studied, not only with a view to applying the proper formula, but also in order to size up the various factors on which to base the computation. Theory and practice will be found to agree if this is done. Whenever they seemingly do not, some element has been left out Of consideration or'a factor has been misjudged.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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