By W. E. Gifford (auth.), K. D. Timmerhaus (eds.)
The nationwide Bureau of criteria Boulder Laboratories was once on September 5-7, 1956 back host to a countrywide convention on cryogenic engineering. Supported financially via the various top business agencies at present lively during this quickly increasing box, the convention, moment of its style, attracted greater than four hundred scientists and engineers from all components of the realm. This attendance used to be facts of the current curiosity and development in cryogenic engineering, a box which has as but now not came upon a passable position in the bounds of present specialist societies. In all yet circumstances the lawsuits comprise the precis or complete textual content of the paper offered on the confer ence. Forty-nine papers have been awarded at seven separate classes. those periods have been divided into the next normal themes: Cryogenic procedures Cryogenic gear Cryogenic houses Cryogenic purposes Bubble Chambers The department now and again needed to be a little bit arbitrary on account that a number of papers might have been categorised below a couple of basic subject. To make the complaints extra priceless to the reader, an try out used to be made to list the final dialogue which each one paper. regrettably, although, the recording units weren't delicate sufficient for transparent replica. The discussions, for that reason, haven't been incorporated 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
For Aeronautics Technical Note 3271, p. 79. March (1956). -48- Since we are concerned only with cases in which the minor component freezes, it is necessary always that P1M l »PZM Z ' Therefore, neglecting the PZMZ term in the squared denominator quantity results in ~----------------------------Bu(A-B/T) Z Txlogu e (7) which is more easily computed and yields values of r generally less than two per cent lower than may be expected with equation (6) • Results and Application An experimental program was carried out 4 to observe the effect on flow of solid nitrogen deposition from a helium stream.
This fact was anticipated at the time the new converter arrangement was conceived since without any catalytic effect in the recirculating system (except for boil off from the storage dewar) normal gas would be circulated. This immediately makes conversion at liquid nitrogen temperature of either the supply gas or the recirculating gas desirable" thus reducing the conversion heat load in the closed system and correspondingly increasing the yield. ) Some conversion apparently takes place in the NBS plant, presumably in the silica gel purifier, giving an appreciable increase in production rate as shown in Table 1.
Murphy, G. , Production of Heavy Water, McGraw-Hill, New York (1955). -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.