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Category :
Languages : en
Pages : 0

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Author: Cryogenic Engineering Conference
Publisher:
ISBN: 9780306441820
Category :
Languages : en
Pages : 0

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Author: Quan-Sheng Shu
Publisher: Springer Science & Business Media
ISBN: 9780306464430
Category : Science
Languages : en
Pages : 984

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In recent years, the technology of cryogenic comminution has been widely applied in the field of chemical engineering, food making, medicine production, and particularly in recycling of waste materials. Because of the increasing pollution of waste tires and the shortage of raw rubber resource, the recycling process for waste rubber products has become important and commercially viable. This technology has shown a great number of advantages such as causing no environmental pollution, requiring low energy consumption and producing high quality products. Hence, the normal crusher which was used to reclaim materials, such as waste tires, nylon, plastic and many polymer materials at atmospheric 12 temperature is being replaced by a cryogenic crusher. • In the cryogenic crusher, the property of the milled material is usually very sensitive to temperature change. When a crusher is in operation, it will generate a great deal of heat that causes the material temperature increased. Once the temperature increases over the vitrification temperature, the material property will change and lose the brittle behavior causing the energy consumption to rise sharply. Consequently, the comminution process cannot be continued. Therefore, it is believed that the cryogenic crusher is the most critical component in the cryogenic comminution system. The research on the temperature increase and energy consumption in the cryogenic crusher is not only to reduce the energy consumption of the crasher, but also to reduce the energy consumption of the cryogenic system.

Author: K. D. Timmerhaus
Publisher: Springer Science & Business Media
ISBN: 1475704895
Category : Science
Languages : en
Pages : 802

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The University of Colorado and the National Bureau of Standards have once again served as hosts for the Cryogenic Engineering Conference in Boulder, Colorado. In presenting the papers of this twelfth annual meeting, the 1966 Cryogenic Engineering Conference Committee has again recognized the excellent cooperation which has existed between these two organizations over the past decade with regard to both cryogenic research and conference activity. This cooperation was demonstrated not only at the 1966 Cryogenic Engineering Conference but also at the International Institute of Refrigeration, Commission I Meeting, which was also hosted by these two organizations immediately following the Cryogenic Engineering Conference. These two meetings have provided attendees with one of the most comprehensive coverages of cryogenic topics that has ever been presented at one location. Emphasis on major international advances in helium technology at the International Institute of Refrigeration, Commission I Meeting has been possible largely through the National Science Foundation Grant GK 1116 to the University of Colorado. The Cryogenic Engineering Conference Committee gratefully acknowledges this support because of its valuable international contribution to the Cryogenic Engineering Conference. As in the past, the Cryogenic Engineering Conference Committee is grateful for the continued assistance of all the dedicated workers in the cryogenic field who have contributed their time reviewing the preliminary papers for the program and the final manuscripts for this volume.

Author: K.D. Timmerhaus
Publisher: Springer Science & Business Media
ISBN: 1461322138
Category : Science
Languages : en
Pages : 1312

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The 1985 joint Cryogenic Engineering/International Cryogenic Materi als Conference was held on the campus of the Massachusetts Institute of Technology, Cambridge, Massachusetts. About 350 papers were presented at the joint conference on a wide variety of topics in cryogenic science and engineering. This volume of Advances in cryogenic Eogineerlng, the thirty-first in the series which began in 1954, contains most of the papers which were presented at the 1985 Cryogenic Engineering Conference. Each paper was rigorously peer reviewed to maintain the international reputation of Advances as the premier archival publication in the field of cryoscience, engineering, and technology. All the papers published in Volume 31 contain an abstract. A copy of the book will be sent to all maj or abstracting services, which should improve retrieval of the information contained in the published papers. I would like to thank the authors and those who served as reviewers. I especially appreciate the assistance of my colleague M. E. Stone who edited some of the papers for this volume. Terry Gutierrez was invaluable in preparing the manuscripts for publication, and I thank her. xvii DEDICATION Dr. Samuel C. Collins, Professor Emeritus of the Massachusetts Institute of Technology, internationally known as the father of practical helium liquefiers and founder of the MIT Cryogenic Engineering Laboratory, died on June 19, 1984, in George Washington University Hospital, Washington, DC.

Author: R. W. Fast
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Author: K. D. Timmerhaus
Publisher: Springer Science & Business Media
ISBN: 1468431110
Category : Science
Languages : en
Pages : 545

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The National Bureau of Standards Boulder Laboratories at Boulder, Colorado once again served as the host for the 1972 Cryogenic Engineering Conference. For the Cryogenic Engineering Conference it was like coming horne, for it was at the NBS Boulder Laboratories that the Cryogenic Engineering Conference was first conceived and held m 1954m connection with the dedication ofthe NBS Boulder Laboratories by President Dwight D. Eisenhower. The Cryogenic Engineering Conference IS grateful for the continuing support that the National Bureau of Standards has gIVen over the years, and which was expanded on July 1, 1971 when the NBS Boulder Laboratories assumed the secretariat function of the Conference from the National Academy of Sciences. Because of common interests in heat transfer, the 1972 Cryogemc Engineering Conference worked with the 13th National Heat Transfer Conference to develop a joint program m heat transfer. A majority ofthe papers presented in this cooperative effort are incIuded m V olume 18 of the Advances zn Cryogenic Engineerzng through the kmd permission ofthe 13th NatIOnal Heat Transfer Conference and are acknowl edged accordingly.

Author: R.W. Fast
Publisher: Springer Science & Business Media
ISBN: 1461306396
Category : Technology & Engineering
Languages : en
Pages : 1793

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The 1989 Cryogenic Engineering Conference, meeting jointly with the International Cryogenic Materials Conference, was held on the campus of the University of California, Los Angeles from July 24 to 28. Professor T.H.K. Frederking was the conference chairman. The Conference had previously met at U.C.L.A. in 1962 and 1969. A special symposium, "A Half Century of Superfluid Helium," was a significant part of the program of CEC-89. We were especially fortunate to have Professor Jack Allen of the University of St. Andrews, Scotland present at the Conference; his paper, "Early Superfluidity in Cambridge, 1936 to 1939," was a delightful, often humorous account of the early experimental work with superfluid helium. Professors V.L. Ginzburg and J.L. Olesen could not be present for the Symposium, but provided papers which are published in these proceedings. The late Bill Fairbank, responding graciously to a last-minute invitation from Professor Frederking, presented a wonderful account of superfluid research in the United States in the post-war years.

Author: A. F Clark
Publisher:
ISBN: 9781461398608
Category :
Languages : en
Pages : 720

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Author: K. D. Timmerhaus
Publisher: Springer Science & Business Media
ISBN: 1461398568
Category : Science
Languages : en
Pages : 868

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The Cryogenic Engineering Conference celebrated its Silver Anniversary at the 1979 Conference held at Madison, Wisconsin. For many it provided an opportunity to reminisce about the first Cryogenic Engineering Conference convened at the National Bureau of Standards in Boulder, Colorado and also about the many following conferences and advances that had been reported at these conferences. It is difficult to realize that the first Cryogenic Engineering Conference was held before the advent of multilayer insulation, the space age, large-scale LNG Operations and superconductivity applications. The evolution of these activities has been carefully recorded in past volumes of the Advances in Cryogenic Engineering. · Once again, the Cryogenic Engineering Conference is happy to have had the International Cryogenic Materials Conference cohost this meeting at the University of Wisconsin. Collaboration between these two conferences has proven to be mutually beneficial by providing the cryogenic engineer with an in-depth exposure to materials properties, selection, and utilization to complement the exposure to new applications and design concepts. The papers presented at this joint conference as part of the International Cryogenic Materials Conference will be published as Volume 26 of the Advances in Cryogenic Engineering.