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  • 1975-1979  (1)
  • 1930-1934
  • 1978  (1)
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  • 1975-1979  (1)
  • 1930-1934
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    Electronic Resource
    Electronic Resource
    Springer
    Heat and mass transfer 11 (1978), S. 73-79 
    ISSN: 1432-1181
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Description / Table of Contents: Zusammenfassung Die thermische EinlauflÄnge in einem Kreisrohr mit konstanter Wandtemperature und gegebener TemperaturabhÄngigkeit der ViskositÄt und der viskosen Dissipation wird numerisch berechnet. Die Ergebnisse, die einen merklichen Einflu\ dieser Faktoren zeigen, werden für Heizung und Kühlung angegeben und mit verfügbaren analytischen Werten verglichen. Sie sind für den Entwurf von WÄrmeaustauschern für Flüssigkeiten hoher Prandtl-Zahl von Bedeutung.
    Notes: Abstract A numerical solution of the thermal entry length problem for circular pipes with constant temperature boundaries and with a prescribed dependence of viscosity on temperature and viscous dissipation of some specified order are presented. The results indicate a significant effect of these factors. The results for both heating and cooling processes are presented and compared with the available analytical results. They are useful in the design of heat exchangers with high Prandtl number fluids as the working media.
    Type of Medium: Electronic Resource
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