New PDF release: Advances in Cryogenic Engineering: Proceedings of the 1965

By A. O. Tischler (auth.), K. D. Timmerhaus (eds.)

ISBN-10: 1475705220

ISBN-13: 9781475705225

ISBN-10: 1475705247

ISBN-13: 9781475705249

The 1965 Cryogenic Engineering convention, in offering the papers of its 11th annual assembly takes this chance to gratefuIly recognize the help of Rice college and, particularly, R. Kobayashi and his employees for serving as hosts for this convention. This assembly, due to its proximity to the NASA Manned Spacecraft heart, has well-known the impression of the distance age at the cryogenic box and has, there­ fore, tried to stress this element of cryogenics to a better measure than in earlier meetings. The spotlight of this convention has been the presentation of the top Cryogenic Engineering convention award-The Samuel C. CoIlins Award-to its first recipient, Dr. Samuel C. Collins. This award, organize in his identify, has well-known the phenomenal contributions that Dr. S. C. CoIlins, retired Professor of Mechanical Engineering on the Massachusetts Institute of expertise, has made within the box of helium liquefaction. His major advances in numerous levels of cryogenics were well-known inter­ nationaIly through a variety of corporations. excessive in this checklist has been the tribute which used to be bestowed on hirn through the Kamerlingh-Onnes Laboratory in Leiden in awarding hirn the 1st Kamerlingh-Onnes gold medal to an American in 1958. The Cryogenic Engineering convention, as well as spotting his pioneering paintings in helium liquefaction by way of the presentation of the Samuel C. Collins Award, additionally dedicates this quantity of the Advances in Cryogenic Engineering to hirn.

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Extra resources for Advances in Cryogenic Engineering: Proceedings of the 1965 Cryogenic Engineering Conference Rice University Houston, Texas August 23–25, 1965

Sample text

Ines can be fitted through the experimental points. - and i-power of the external compression. The heat flux with no external compression applied to the sam pies is shown by a horizontalline segment (at the lower left corner). , the compression applied to the lowest surface of the sampie by the weight of the sampie. , the mean compression applied to the sampie by its own weight. Extending the curves in Fig. 4 to the heat flux levels corresponding to no external compression, the intersections of these lines fall in all cases near the marked segments.

X t in. 004-in. thick glass mat, while in sampie 3046, i-in. 008-in. thick materials. The weight of both sampies was identical. Comparing the performance of the two sampies, we observe, as expected, that for all values of external compression a heat flux through a thicker sampie with smaller area of contact between the strips is consistently lower than the heat flux through the thinner sampie. Because the density of the thicker sampie (No. 3046) is lower, the product of the thermal conductivity and density is also lower, even though the apparent thermal conductivity of both sampies is approximately the same.

In all tests, the cold boundary temperature was - 320°F, and the wann boundary temperature was 70°F, except during tests No. 3037 and 3041, when a 40'F wann boundary temperature was maintained. Question by H. 'C through the superinsulation as a function of applied pressure. How do you determine the applied or existing pressure on the superinsulation wrapped around avessei or in adewar? Answer by author: Determination of the amount of compression applied to a multilayer insulation during wrapping is a very diflicult problem.

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Advances in Cryogenic Engineering: Proceedings of the 1965 Cryogenic Engineering Conference Rice University Houston, Texas August 23–25, 1965 by A. O. Tischler (auth.), K. D. Timmerhaus (eds.)

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