A practical guide to compressor design, cooling methods, and the trade‑offs that shape efficiency in air compression.
This book offers a practical look at how different compressor designs handle heat, friction, and power. It compares direct and indirect compression, dry and wet systems, and the role of cooling surfaces in achieving better performance. You’ll see how speed, stroke length, and engine layout affect efficiency and maintenance.)
Beyond theory, the text explains real‑world trade‑offs, including the impact of water jackets, spray cooling, and isothermal cooling on overall performance. It also covers different machine types, from single straight‑line machines to complex duplex compressors, and discusses materials, bearings, and frame designs that support stable, high‑speed operation.
Ideal for engineers, technicians, and students working with compressed air systems and industrial machinery.
"Sinopsis" puede pertenecer a otra edición de este libro.
Excerpt from Compressed Air Production or the Theory and Practice of Air Compression
There are many serious objections, however, to the use of water with in the air cylinder. These objections are so serious that it has been found to be the best practice to suffer the heat loss during compression, and thus simplify the apparatus. Some of the Objections may be stated as follows.
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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.
Excerpt from Compressed Air Production or the Theory and Practice of Air Compression
Compressed air is air under pressure. It is usual to define compressed air as air increased in density by pressure, but we may produce compressed air by heat alone, as illustrated by the discharge of a cork from an empty bottle when heated. Though one of the oldest of the sciences, compressed air is, in its development and use, one of the youngest. Hero, of Alexandria, a century before Christ experimented and wrote upon Pneumatics, calling special attention to the influence of heat in expanding and contracting air. It is said that Hero put into practical use an invention by which the opening and closing of temple doors was effected by the alternate rarefaction and condensation of air which was brought in contact with heated and cooled surfaces of altar tops. Yet the science of pneumatics played no important part in industrial progress until scarcely more than a century ago it came into general use for diving-bells, and was later on applied by Brunei to caisson work.
In 1830 the French Academy of Sciences gave a medal to Thillorier for his method of compressing gases by stages. In 1849 the Baron von Rathen suggested the use of compressed air at 750 pounds pressure per square inch in locomotives. It is a singular fact that the Baron, in describing the method by which he proposed to attain this high pressure, advised compound compressors with inter-coolers. The special advantages of cooling the air between the different stages of compression were set forth. This stage compression and inter-cooling is one of the most important recent improvements made in air-compressing machinery.
Until recent years the use of compressed air in America has been confined almost exclusively to mining, tunneling, bridge building, or to work in a confined space for which no other power was available. Electricity has recently become a competitor of compressed air in that it, too, may be used in confined spaces, and may be transmitted long distances and distributed. Until such competition arose the question of producing compressed air economically was but little agitated. The attention of engineers was mainly devoted to the development of an apparatus for using compressed air, it being taken for granted that air was an expensive power at best. The manufacturer sought to perfect his compressor on lines of low first cost, light weight, economy of space and general availability. Dry, pure air, delivered at a sufficient pressure by a machine which could be depended upon, has been the controlling consideration. Reprinted from Compressed Air.
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.
"Sobre este título" puede pertenecer a otra edición de este libro.
Librería: Forgotten Books, London, Reino Unido
Paperback. Condición: New. Print on Demand. Discover the potential of compressed air in this comprehensive guide. From the fundamentals of production to the intricacies of transmission, the author lays bare the scientific and practical aspects of harnessing air power. The historical development of compressed air technology is explored, tracing its evolution from the experiments of Hero of Alexandria to the sophisticated machinery of today. Throughout the book, the author delves into the complexities of thermodynamics, explaining how heat and mechanical energy are intertwined in the compression and expansion of air. The importance of cooling and reheating is emphasized, as is the significance of moisture content in influencing air power. Ultimately, this book equips readers with a deep understanding of the science behind compressed air and its myriad applications, providing valuable insights for engineers, scientists, and anyone seeking to harness the power of this versatile energy source. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Nº de ref. del artículo: 9781330174487_0
Cantidad disponible: Más de 20 disponibles
Librería: PBShop.store US, Wood Dale, IL, Estados Unidos de America
PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000. Nº de ref. del artículo: LW-9781330174487
Cantidad disponible: 15 disponibles
Librería: PBShop.store UK, Fairford, GLOS, Reino Unido
PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000. Nº de ref. del artículo: LW-9781330174487
Cantidad disponible: 15 disponibles