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  • 1
    Electronic Resource
    Electronic Resource
    Turbulence measurements in liquids, proceedings of the symposium on turbulence measurement in liquids - university of Missouri, Rolla (September, 1969). G. K. Patterson and J. L. Zakin, (eds.), 1971. 155 pages. $8.00 (1972)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 18 (1972), S. 254-254 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690180155
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Enhancement of stagnation flow heat and mass transfer through interactions of free stream turbulence (1973)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 19 (1973), S. 608-617 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: At the forward stagnation point of a bluff body the laminar flow is influenced by externally generated free-stream turbulence, such as from grids, in such a way that heat and mass transport are significantly enhanced above their normal values. The basis of this enhancement is an unsteady, threedimensional flow pattern formed at the forward stagnation point and triggered or altered by the free-stream turbulence. Such complex flows can be interpreted as roll cells oriented with their axes parallel to streamwise coordinates. Such roll cells have been observed by other investigators using special experimental visualization techniques. This complex flow was introduced into the momentum and transport equations, which were then solved numerically to produce the relationships between Nusselt, Reynolds, and Prandtl numbers and free-stream turbulence. Not only were these relationships nearly identical with earlier established empirical correlations, but they revealed in addition a strong augmentation for high Prandtl number flows. Predictions in slurry flows around bluff bodies were also found to be reasonable.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690190329
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  • 3
    Electronic Resource
    Electronic Resource
    Local and macroscopic thermal transport from a sphere in a turbulent air stream (1972)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 18 (1972), S. 287-293 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The local and macroscopic thermal transport from a calorimeter-instrumented sphere 1.5 in. in diameter located in an air steram ws measured experimentally in the subcritical flow regime. The Reynolds number was varied between 5,200 and 70,200 with artificially induced turbulence level varying from 0.013 to 0.256. Higher turbulence increased thermal transport through the laminar bundary layer prevailing in the forward hemisphere, and significantly retarded the point of separation from about 87° to 106° as measured from stagnation. An increase in the Reynolds number shifted the point of separation forward and altered the behavior in the wake. In the separated wake region, the experimental evidence indicated that the vortex reattached to the rear surface and formed a new boundary layer that resulted in a decrease in the local thermal transfer.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690180207
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  • 4
    Electronic Resource
    Electronic Resource
    Equilibrium, thermodynamic, and transport properties of polyatomic gases from molecular structure (1972)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 18 (1972), S. 833-842 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The possibility of predicting physical properties for polyatomic gases entirely from molecular structure has been explored. Intramolecular force constants for the bonds can be drawn from spectroscopically established tables and applied successfully to molecules involving a large variety of structures. A vibrational analysis of the molecule using these constants yields the thermodynamic functions of the ideal gas. The intermolecular pair potential parameters for the spherical core model of Kihara can be obtained quantitatively from molecular constants, and this potential can be used in obtaining the dilute gas transport properties. A linear relationship was found between the Kihara sphereical core size and Pitzer's acentric factor. Also from the Kihara model the critical constants are derived, which allows one to use Pitzer's compressibility tables for the dense gas corrections to the ideal gas law and the excess functions of the thermodynamic quantities. A complete package of computer programs which predict all important physical properties directly from input name alone has been written and tested. Suggestions are given for future work needed to improve many of the techniques presented.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690180429
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  • 5
    Electronic Resource
    Electronic Resource
    Local and macroscopic transport from a 1.5-in. Cylinder in a turbulent air stream (1967)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 13 (1967), S. 563-570 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The local and macroscopic thermal transfer coefficients were experimentally investigated for a 1.5-in. copper cylinder located in a transverse flowing turbulent air stream. Measurements of local transport and pressure coefficient were made throughout the entire perimeter of the cylinder. The Reynolds number was varied from 2,600 to 86,000 and the free-stream turbulence from 0.013 to 0.25. The estimated integral turbulence scale was found to vary from 0.3 to 0.5 in. over the range of conditions of flow investigated. The local transfer coefficient near stagnation increased 35% as a result of an increase in turbulance over the range indicated. Displacements of the locus of separation with varying Reynolds numbers and turbulence level were found.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690130329
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    Paper (German National Licenses)
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