Download Advances in Cryogenic Engineering: Proceedings of the 1957 by J. Macinko, D. B. Chelton, J. Dean (auth.), K. D. Timmerhaus PDF

By J. Macinko, D. B. Chelton, J. Dean (auth.), K. D. Timmerhaus (eds.)

ISBN-10: 1468431072

ISBN-13: 9781468431070

By renowned request, the nationwide Bureau of criteria was once back a bunch to a convention on cryogenic engineering on August 19-21, 1957. related conferences have been held the following in 1954 and 1956. The attractiveness of over 40 papers for this convention was once definitely an indication of the expanding job and curiosity during this engineering box. There turns out little question that it'll keep growing, justifying the necessity for annual conferences. To make the court cases extra fascinating an try out was once made to incorporate up to attainable of the final dialogue which every one paper. to acquire person reprints of a person specific paper, please touch the authors at once. 1957 CRYOGENIC ENGINEERING convention COMMITTEE B. W. Birmingham nationwide Bureau of criteria S. C. Collins Massachusetts Institute of expertise E. F. Hammel Los Alamos clinical Laboratory R. B. Scott nationwide Bureau of criteria okay. D. Timmerhaus collage of Colorado W. T. Ziegler Georgia Institute of know-how i ACKNOWLEDGMENTS The 1957 Cryogenic Engineering convention Committee gratefully recognizes the continuing help and curiosity of the subsequent agencies who've made the 1957 Cryogenic Engineering convention and the ebook of this court cases attainable. L' Air Liquide Air items, Inc. Allison department, normal Motor s American Messer company Aro apparatus company Beech airplane company Bell airplane Boeing aircraft corporation Cambridge company Convair Curtiss-Wright company Garrett company normal electrical corporation Herrick L. Johnston, Inc. Hofman Laboratories Linde corporation A. D. Little, Inc.

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Additional resources for Advances in Cryogenic Engineering: Proceedings of the 1957 Cryogenic Engineering Conference, National Bureau of Standards Boulder, Colorado, August 19–21, 1957

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10 ';I.. UJl ;,c". SO rltl'fc. £rHY,IfAlt! "ZI0IV5HIP5 ErN/9AJ'! EAlc. 70 1'1tN. r-M&. XI Figure 2. Rever sible separation flow diagram. Figure 4. -~- ... ) Figure 3. Temperature-liquid flow diagrams for reversible separation of an ethylene-ethane-propylene mixture -50- complete reversible separation. The ternary column separates the feed into a binary mixture of ethylene-ethane at the top and a binary mixture of ethane-propylene at the bottom. The top and bottom binary columns then complete the reversible separation of the respective binaries.

Generally of the vapor compression and condensation (Rankine) cycle as indicated by Gifford's first principle. However. if we are willing to accept the use of two expanders. the overall performance can be improved by operating both expanders at higher temperature levels. This is possible if we allow the expander supplying refrigeration for liquefaction to supply also refrigeration for part of the cooling down process. The actual heat loads per pound of fluid can be calculated from the plot on Figure 3.

0 4·5 5-0 NSER-EVAPORATOR ~ TEMP Figure 2. Variation with size of annual capital plus power charges for main condenserevaporator of a large liquid oxygen plant -36- In the following table, the results of thermodynamic analyses of the ideal and actual cycles are tabulated. / 1000 cu. ft. 00 + o. 86 Expansion engine nil 1. 96 +1. 21 +1. 74 Other s (mixing of fluid streams, air losses, etc. 02 1. 6°C and 1 atmosphere absolute. -37- From a study of Table II, it is apparent that, 1) T is approximately 23 per cent 1')p is approximately 69 per cent 1') 1') A is approximately 33 per cent 2) For an ideal cycle, 74 per cent of the irreversibility is in the rectification column system.

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