Cryogenic Processes and Equipment in Energy Systems PDF Download
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Author: W. M. Toscano
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 212
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Author: W. M. Toscano
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 212
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Author: Klaus D. Timmerhaus
Publisher: Springer Science & Business Media
ISBN: 1468487566
Category : Science
Languages : en
Pages : 614
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Book Description
Cryogenics, a term commonly used to refer to very low temperatures, had its beginning in the latter half of the last century when man learned, for the first time, how to cool objects to a temperature lower than had ever existed na tu rally on the face of the earth. The air we breathe was first liquefied in 1883 by a Polish scientist named Olszewski. Ten years later he and a British scientist, Sir James Dewar, liquefied hydrogen. Helium, the last of the so-caBed permanent gases, was finally liquefied by the Dutch physicist Kamerlingh Onnes in 1908. Thus, by the beginning of the twentieth century the door had been opened to astrange new world of experimentation in which aB substances, except liquid helium, are solids and where the absolute temperature is only a few microdegrees away. However, the point on the temperature scale at which refrigeration in the ordinary sense of the term ends and cryogenics begins has ne ver been weB defined. Most workers in the field have chosen to restrict cryogenics to a tem perature range below -150°C (123 K). This is a reasonable dividing line since the normal boiling points of the more permanent gases, such as helium, hydrogen, neon, nitrogen, oxygen, and air, lie below this temperature, while the more common refrigerants have boiling points that are above this temperature. Cryogenic engineering is concerned with the design and development of low-temperature systems and components.
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Languages : en
Pages : 0
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Languages : en
Pages :
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Author: W. M. Toscano
Publisher:
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Category :
Languages : en
Pages :
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Author:
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Languages : en
Pages :
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Author: Norman. R Braton
Publisher: CRC Press
ISBN: 1351079700
Category : Science
Languages : en
Pages : 254
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The purpose of this book is to promote useful knowledge in the field of cryogenics. To accomplish this, the manuscript presents a composite of the state-of-the-art knowledge, research, and application of cryogenic processes.
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Category :
Languages : en
Pages :
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Author: A. J. Croft
Publisher: Springer Science & Business Media
ISBN: 1475748930
Category : Science
Languages : en
Pages : 189
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This book is meant for laboratory workers who for one reason or another have a need to cool something down to temperatures below that of liquid nitrogen - notably to 4. 2°K and below. It does not deal with experimental techniques at low temperatures, but I have tried to bring the reader face to face with the brutishrealities of the necessary hardware. As weIl as giving information about sources of supply of equipment, I have gone into so me detail about how some of it can be made in laboratory workshops for the sake of those who are short of money but blessed with competent technical support. So far as highly specialized items such as liquefiers, refrigerators, refrigerant containers, cryostat dewars, etc. , are concerned, I have included aIl sources of supply which I have got to he ar of; in the case of more generaIly available equipment only representative sources of known reliability have been quoted. Any omissions or errors must be put down either to my own ignorance, stupidity, or lack of will toget about the world, or perhaps to the difficulty I have had in extracting information from manufacturers. However, most have gone to great trouble to help, and I hope I have done them justice. Brought up to work indifferently in inches and centimetres and perched between the opposing puIls of the USA and Europe, I have used a mixture of units which may shock the purist.
Author: F. J. Kadi
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 76
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