Advances in Cryogenic Engineering: Proceedings of the 1960 by W. E. Moeckel (auth.), K. D. Timmerhaus (eds.) PDF

By W. E. Moeckel (auth.), K. D. Timmerhaus (eds.)

ISBN-10: 1475705344

ISBN-13: 9781475705348

ISBN-10: 1475705360

ISBN-13: 9781475705362

The 1960 Cryogenic Engineering convention Committee is happy to offer the papers of the 1960 Cryogenic Engineering convention. dialogue of the papers, anyplace to be had, has additionally been integrated to make the papers extra priceless and fascinating to the reader. This annual assembly once more has been held in Boulder, Colorado. Many delegates will remember that comparable conferences have been held in Boulder in 1954, 1956 and 1957. even though, this yr, a result of endured development of this convention, the nationwide Bureau of criteria Boulder Laboratories was once joined via the school of Engineering of the collage of Colorado in web hosting this 6th nationwide con­ ference. The Cryogenic Engineering convention Committee is worked up to recognize the aid of a piece of writing Committee which contributed worthy assistance within the tricky and thankless job of screening the initial papers and in addition re­ viewing the ultimate drafts. This committee headedby R. B. jacobs, who additionally served as chairman for the convention Committee, consisted of R. W. Arnett, D. B. Chelton, R. J. Corruccini, T. M. Flynn, R. H. Kropschot, R. M. McClintock, A. F. Schmidt, L. E. Scott and W. A. Wilson.

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Additional info for Advances in Cryogenic Engineering: Proceedings of the 1960 Cryogenic Engineering Conference University of Colorado and National Bureau of Standards Boulder, Colorado August 23–25, 1960

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E. Glaser, ·Single-Plate Apparatus for Tests of Low-Temperature Thermal Conductivity,' Tenth International Congress of Refrigeration, Copenhagen (August, 1959). 3. D. B. Chelton and D. B. Mann, Cryogenic Data Book, University of California Press, Berkeley, Calif. (1956). 4. W. T. Ziegler and H. Cheung, "Total Emissivity of Some Surfaces at 77~," Advances in Cryogenic Engineering, Vol. D. , New York (1960). 5. R. B. Scott, Cryogenic Engineering, D. van Nostrand Company, Princeton, New Jersey (1959).

Etc. all require detailed investigation. **Polystyrene has been selected as representative of all commerclal foams. Others will have a slightly different k p product. - .. " ... 11 .. " -- .. ~ - .. , a - ... air condensation on the outside surfaces of the uninsulated tank. ge. This high 10ss rate might be compensated for with a suitable filling system. Assuming this approach for amoment, what wou1d this 10ss mean? Using a fivestage vehicle system as shown in Fig. 1, the hydrogen 10ss would amount to approximate1y 222,000 lbs, 70% of the total hydrogen load, for each hour prior to launch.

I (I) ::J ..... 1. INSULATIOI\ L02 TANK REMOVABLE CLAMSHELL THERMOCOUPLES Flg. 5. Rocket insulatlon test vessel. Minimum insulation thickness for both Fiberglas and superinsulation is 1/4 inch in the uncompressed state. Practical insulation application techniques not only dictate a minimum thickness. but also sufficient material should be used to preclude ice formation on the outside of the missile skin. This means, of course, that the optimized relatio"'1 is not achieved until staging time exceeds abom 80 min for Fiberglas and about 2,000 min for superinsulation.

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Advances in Cryogenic Engineering: Proceedings of the 1960 Cryogenic Engineering Conference University of Colorado and National Bureau of Standards Boulder, Colorado August 23–25, 1960 by W. E. Moeckel (auth.), K. D. Timmerhaus (eds.)


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