Advances in Cryogenic Engineering: Proceedings of the 1956 by W. E. Gifford (auth.), K. D. Timmerhaus (eds.) PDF

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

The nationwide Bureau of criteria Boulder Laboratories used to be on September 5-7, 1956 back host to a countrywide convention on cryogenic engineering. Supported financially by way of the various top commercial organisations presently lively during this swiftly increasing box, the convention, moment of its style, attracted greater than four hundred scientists and engineers from all components of the area. This attendance used to be facts of the current curiosity and development in cryogenic engineering, a box which has as but no longer came across a passable position in the bounds of latest specialist societies. In all yet circumstances the lawsuits comprise the precis or complete textual content of the paper provided on the confer­ ence. Forty-nine papers have been awarded at seven separate classes. those periods have been divided into the next common themes: Cryogenic tactics Cryogenic apparatus Cryogenic homes Cryogenic functions Bubble Chambers The department occasionally needed to be a bit of arbitrary considering a number of papers might have been categorised less than multiple normal subject. To make the complaints extra helpful to the reader, an test was once made to list the final dialogue which each one paper. regrettably, even though, the recording units weren't delicate sufficient for transparent copy. The discussions, accordingly, haven't been integrated within the continue­ ings.

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Extra info for Advances in Cryogenic Engineering: Proceedings of the 1956 Cryogenic Engineering Conference National Bureau of Standards Boulder, Colorado September 5–7 1956

Example text

The distillation of liquid hydrogen, although considered a number of times, has always been rejected because of lack of column design data or because of the problems expected from operation at ZOoK. Z However, the separation is easy by ordinary distillation standards, and the present research has been carried out to determine the design parameters for a suitable separation column. Since the heavy isotope occurs in the form of HD rather than D Z ' the initial step must be concentration of the HD content.

4) Binary Section 23 in which ethylene and ethane only are present and the ethylene is progressively and completely separated from ethane through a reflux ratio A 23 = ~ which at each level of this section is equal to the K value of ethylene. 5) Binary Section 11 in which ethane and propylene only are present, and the propylene is progressively and completely -34- separated from ethane through a reflux ratio X. 11 = R V equal to the K value of propylene. 6) Binary Section 12 where ethane is separated from propylene through a reflux ratio equal to K value of ethane.

39- Plastic Sigh! Gloss ". 4HC Finned Condenser Plote A and B Sampl. and Preuure Tap. Figure 1. Block Diagram Heavy Water Production Heat" Figure 2. l... KEy ". I It ... [ ..... , o 2 ... 1-[ - .. '0' '" 40 6(1 u,.. OX. TV. ' Figure 4. Over-all Plate Efficiency, Weir Variable Figure 3. Over-all Plate Efficiency, Plate Variable -40- expect that the information obtained from the H2 - D2 system is applicable to H2 - HD mixtures since the two systems are so similar. The relative volatility of H2 to D2 is readily obtained from vapor pressure data.

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